1748 lines
54 KiB
HTML
1748 lines
54 KiB
HTML
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<!doctype html>
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<html lang="en" class="no-js">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<meta http-equiv="x-ua-compatible" content="ie=edge">
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<link rel="canonical" href="https://kubernetes.github.io/ingress-nginx/kubectl-plugin/">
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<meta name="lang:clipboard.copy" content="Copy to clipboard">
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<meta name="lang:clipboard.copied" content="Copied to clipboard">
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<meta name="lang:search.language" content="en">
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<meta name="lang:search.pipeline.stopwords" content="True">
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<meta name="lang:search.pipeline.trimmer" content="True">
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<meta name="lang:search.tokenizer" content="[\s\-]+">
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<link rel="shortcut icon" href="../assets/images/favicon.png">
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<meta name="generator" content="mkdocs-1.0.4, mkdocs-material-4.6.3">
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<title>kubectl plugin - NGINX Ingress Controller</title>
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<link rel="stylesheet" href="../assets/stylesheets/application.adb8469c.css">
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<link rel="stylesheet" href="../assets/stylesheets/application-palette.a8b3c06d.css">
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<script src="../assets/javascripts/modernizr.86422ebf.js"></script>
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<link href="https://fonts.gstatic.com" rel="preconnect" crossorigin>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback">
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<style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
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<link rel="stylesheet" href="../assets/fonts/material-icons.css">
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<link rel="stylesheet" href="../extra.css">
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<script>
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window.ga = window.ga || function() {
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(ga.q = ga.q || []).push(arguments)
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}
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ga.l = +new Date
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/* Setup integration and send page view */
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ga("create", "UA-118407822-1", "kubernetes.github.io")
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ga("set", "anonymizeIp", true)
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ga("send", "pageview")
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/* Register handler to log search on blur */
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document.addEventListener("DOMContentLoaded", () => {
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if (document.forms.search) {
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ga("send", "pageview", path + "?q=" + this.value)
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<script async src="https://www.google-analytics.com/analytics.js"></script>
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</head>
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<body dir="ltr" data-md-color-primary="teal" data-md-color-accent="green">
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<svg class="md-svg">
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<defs>
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<svg xmlns="http://www.w3.org/2000/svg" width="416" height="448" viewBox="0 0 416 448" id="__github"><path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19T128 352t-18.125-8.5-10.75-19T96 304t3.125-20.5 10.75-19T128 256t18.125 8.5 10.75 19T160 304zm160 0q0 10-3.125 20.5t-10.75 19T288 352t-18.125-8.5-10.75-19T256 304t3.125-20.5 10.75-19T288 256t18.125 8.5 10.75 19T320 304zm40 0q0-30-17.25-51T296 232q-10.25 0-48.75 5.25Q229.5 240 208 240t-39.25-2.75Q130.75 232 120 232q-29.5 0-46.75 21T56 304q0 22 8 38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0 37.25-1.75t35-7.375 30.5-15 20.25-25.75T360 304zm56-44q0 51.75-15.25 82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5T212 416q-19.5 0-35.5-.75t-36.875-3.125-38.125-7.5-34.25-12.875T37 371.5t-21.5-28.75Q0 312 0 260q0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25 30.875Q171.5 96 212 96q37 0 70 8 26.25-20.5 46.75-30.25T376 64q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34 99.5z"/></svg>
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<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
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<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
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<label class="md-overlay" data-md-component="overlay" for="__drawer"></label>
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<a href="#the-ingress-nginx-kubectl-plugin" tabindex="0" class="md-skip">
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Skip to content
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</a>
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<header class="md-header" data-md-component="header">
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<nav class="md-header-nav md-grid">
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<div class="md-flex">
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<div class="md-flex__cell md-flex__cell--shrink">
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<a href="https://kubernetes.github.io/ingress-nginx" title="NGINX Ingress Controller" aria-label="NGINX Ingress Controller" class="md-header-nav__button md-logo">
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<i class="md-icon">public</i>
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</a>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<label class="md-icon md-icon--menu md-header-nav__button" for="__drawer"></label>
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</div>
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<div class="md-flex__cell md-flex__cell--stretch">
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<div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
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<span class="md-header-nav__topic">
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NGINX Ingress Controller
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</span>
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<span class="md-header-nav__topic">
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kubectl plugin
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</span>
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</div>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<label class="md-icon md-icon--search md-header-nav__button" for="__search"></label>
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<div class="md-search" data-md-component="search" role="dialog">
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<label class="md-search__overlay" for="__search"></label>
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<div class="md-search__inner" role="search">
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<form class="md-search__form" name="search">
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<input type="text" class="md-search__input" aria-label="search" name="query" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query" data-md-state="active">
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<label class="md-icon md-search__icon" for="__search"></label>
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<button type="reset" class="md-icon md-search__icon" data-md-component="reset" tabindex="-1">
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
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</button>
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</form>
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<div class="md-search__output">
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<div class="md-search__scrollwrap" data-md-scrollfix>
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<div class="md-search-result" data-md-component="result">
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<div class="md-search-result__meta">
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Type to start searching
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</div>
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<ol class="md-search-result__list"></ol>
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</div>
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</div>
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</div>
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</div>
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</div>
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</div>
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<div class="md-flex__cell md-flex__cell--shrink">
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<div class="md-header-nav__source">
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<a href="https://github.com/kubernetes/ingress-nginx/" title="Go to repository" class="md-source" data-md-source="github">
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<div class="md-source__icon">
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<svg viewBox="0 0 24 24" width="24" height="24">
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<use xlink:href="#__github" width="24" height="24"></use>
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</svg>
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</div>
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<div class="md-source__repository">
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kubernetes/ingress-nginx
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</div>
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</a>
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</div>
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</div>
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</div>
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</nav>
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</header>
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<div class="md-container">
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<nav class="md-tabs md-tabs--active" data-md-component="tabs">
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<div class="md-tabs__inner md-grid">
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<ul class="md-tabs__list">
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<li class="md-tabs__item">
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<a href=".." class="md-tabs__link md-tabs__link--active">
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Welcome
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</a>
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</li>
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<li class="md-tabs__item">
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<a href="../deploy/" class="md-tabs__link">
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Deployment
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</a>
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</li>
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<li class="md-tabs__item">
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<a href="../user-guide/nginx-configuration/" class="md-tabs__link">
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User guide
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</a>
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</li>
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<li class="md-tabs__item">
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<a href="../examples/" class="md-tabs__link">
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Examples
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</a>
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</li>
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</ul>
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</div>
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</nav>
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<main class="md-main" role="main">
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<div class="md-main__inner md-grid" data-md-component="container">
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<div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
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<div class="md-sidebar__scrollwrap">
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<div class="md-sidebar__inner">
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<nav class="md-nav md-nav--primary" data-md-level="0">
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<label class="md-nav__title md-nav__title--site" for="__drawer">
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<a href="https://kubernetes.github.io/ingress-nginx" title="NGINX Ingress Controller" class="md-nav__button md-logo">
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<i class="md-icon">public</i>
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</a>
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NGINX Ingress Controller
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</label>
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<div class="md-nav__source">
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<a href="https://github.com/kubernetes/ingress-nginx/" title="Go to repository" class="md-source" data-md-source="github">
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<div class="md-source__icon">
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<svg viewBox="0 0 24 24" width="24" height="24">
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<use xlink:href="#__github" width="24" height="24"></use>
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</svg>
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</div>
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<div class="md-source__repository">
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kubernetes/ingress-nginx
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</div>
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</a>
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</div>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-1" type="checkbox" id="nav-1" checked>
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<label class="md-nav__link" for="nav-1">
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Welcome
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-1">
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Welcome
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href=".." title="Welcome" class="md-nav__link">
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Welcome
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../how-it-works/" title="How it works" class="md-nav__link">
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How it works
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../troubleshooting/" title="Troubleshooting" class="md-nav__link">
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Troubleshooting
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</a>
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</li>
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<li class="md-nav__item md-nav__item--active">
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<input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc">
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<label class="md-nav__link md-nav__link--active" for="__toc">
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kubectl plugin
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</label>
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<a href="./" title="kubectl plugin" class="md-nav__link md-nav__link--active">
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kubectl plugin
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</a>
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<nav class="md-nav md-nav--secondary">
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<label class="md-nav__title" for="__toc">Table of contents</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="#installation" class="md-nav__link">
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Installation
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#common-flags" class="md-nav__link">
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Common Flags
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#subcommands" class="md-nav__link">
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Subcommands
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</a>
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<nav class="md-nav">
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<ul class="md-nav__list">
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<li class="md-nav__item">
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<a href="#backends" class="md-nav__link">
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backends
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#certs" class="md-nav__link">
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certs
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#conf" class="md-nav__link">
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conf
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#exec" class="md-nav__link">
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exec
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#general" class="md-nav__link">
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general
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#info" class="md-nav__link">
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info
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#ingresses" class="md-nav__link">
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ingresses
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#lint" class="md-nav__link">
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lint
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#logs" class="md-nav__link">
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logs
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#ssh" class="md-nav__link">
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ssh
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</a>
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</li>
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</ul>
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</nav>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="../development/" title="Development" class="md-nav__link">
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Development
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-2" type="checkbox" id="nav-2">
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<label class="md-nav__link" for="nav-2">
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Deployment
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-2">
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Deployment
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../deploy/" title="Installation Guide" class="md-nav__link">
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Installation Guide
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../deploy/baremetal/" title="Bare-metal considerations" class="md-nav__link">
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Bare-metal considerations
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../deploy/rbac/" title="Role Based Access Control (RBAC)" class="md-nav__link">
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Role Based Access Control (RBAC)
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../deploy/validating-webhook/" title="Validating Webhook (admission controller)" class="md-nav__link">
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Validating Webhook (admission controller)
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<a href="../deploy/upgrade/" title="Upgrade" class="md-nav__link">
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<a href="../user-guide/basic-usage/" title="Basic usage" class="md-nav__link">
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<a href="../user-guide/nginx-configuration/custom-template/" title="Custom NGINX template" class="md-nav__link">
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<a href="../user-guide/nginx-configuration/log-format/" title="Log format" class="md-nav__link">
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<a href="../user-guide/custom-errors/" title="Custom errors" class="md-nav__link">
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Custom errors
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<a href="../user-guide/default-backend/" title="Default backend" class="md-nav__link">
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Default backend
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<li class="md-nav__item">
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<a href="../user-guide/exposing-tcp-udp-services/" title="Exposing TCP and UDP services" class="md-nav__link">
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Exposing TCP and UDP services
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</a>
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<li class="md-nav__item">
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<a href="../user-guide/fcgi-services/" title="Exposing FCGI services" class="md-nav__link">
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Exposing FCGI services
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</a>
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<li class="md-nav__item">
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<a href="../user-guide/ingress-path-matching/" title="Regular expressions in paths" class="md-nav__link">
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Regular expressions in paths
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</a>
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External Articles
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<li class="md-nav__item">
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<a href="../user-guide/miscellaneous/" title="Miscellaneous" class="md-nav__link">
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Miscellaneous
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<li class="md-nav__item">
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<a href="../user-guide/monitoring/" title="Prometheus and Grafana installation" class="md-nav__link">
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Prometheus and Grafana installation
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</a>
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<li class="md-nav__item">
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<a href="../user-guide/multiple-ingress/" title="Multiple Ingress controllers" class="md-nav__link">
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Multiple Ingress controllers
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../user-guide/tls/" title="TLS/HTTPS" class="md-nav__link">
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TLS/HTTPS
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</a>
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<li class="md-nav__item md-nav__item--nested">
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<label class="md-nav__link" for="nav-3-13">
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Third party addons
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<label class="md-nav__title" for="nav-3-13">
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Third party addons
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../user-guide/third-party-addons/modsecurity/" title="ModSecurity Web Application Firewall" class="md-nav__link">
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ModSecurity Web Application Firewall
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../user-guide/third-party-addons/opentracing/" title="OpenTracing" class="md-nav__link">
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OpenTracing
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</a>
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</li>
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</ul>
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</nav>
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-4" type="checkbox" id="nav-4">
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<label class="md-nav__link" for="nav-4">
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Examples
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
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<label class="md-nav__title" for="nav-4">
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Examples
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../examples/" title="Introduction" class="md-nav__link">
|
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Introduction
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/PREREQUISITES/" title="Prerequisites" class="md-nav__link">
|
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Prerequisites
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../examples/affinity/cookie/" title="Sticky Sessions" class="md-nav__link">
|
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Sticky Sessions
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</a>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-4-4" type="checkbox" id="nav-4-4">
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<label class="md-nav__link" for="nav-4-4">
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Auth
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="2">
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<label class="md-nav__title" for="nav-4-4">
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Auth
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../examples/auth/basic/" title="Basic Authentication" class="md-nav__link">
|
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Basic Authentication
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/auth/client-certs/" title="Client Certificate Authentication" class="md-nav__link">
|
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Client Certificate Authentication
|
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</a>
|
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</li>
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<li class="md-nav__item">
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<a href="../examples/auth/external-auth/" title="External Basic Authentication" class="md-nav__link">
|
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External Basic Authentication
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/auth/oauth-external-auth/" title="External OAUTH Authentication" class="md-nav__link">
|
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External OAUTH Authentication
|
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</a>
|
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</li>
|
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</ul>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-toggle md-nav__toggle" data-md-toggle="nav-4-5" type="checkbox" id="nav-4-5">
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<label class="md-nav__link" for="nav-4-5">
|
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Customization
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</label>
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<nav class="md-nav" data-md-component="collapsible" data-md-level="2">
|
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<label class="md-nav__title" for="nav-4-5">
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Customization
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../examples/customization/configuration-snippets/" title="Configuration Snippets" class="md-nav__link">
|
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Configuration Snippets
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/customization/custom-configuration/" title="Custom Configuration" class="md-nav__link">
|
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Custom Configuration
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/customization/custom-errors/" title="Custom Errors" class="md-nav__link">
|
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Custom Errors
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/customization/custom-headers/" title="Custom Headers" class="md-nav__link">
|
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Custom Headers
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/customization/external-auth-headers/" title="External authentication" class="md-nav__link">
|
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External authentication
|
|
</a>
|
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</li>
|
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<li class="md-nav__item">
|
|
<a href="../examples/customization/ssl-dh-param/" title="Custom DH parameters for perfect forward secrecy" class="md-nav__link">
|
|
Custom DH parameters for perfect forward secrecy
|
|
</a>
|
|
</li>
|
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|
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<li class="md-nav__item">
|
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<a href="../examples/customization/sysctl/" title="Sysctl tuning" class="md-nav__link">
|
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Sysctl tuning
|
|
</a>
|
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</li>
|
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</ul>
|
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</nav>
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</li>
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<li class="md-nav__item">
|
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<a href="../examples/docker-registry/" title="Docker registry" class="md-nav__link">
|
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Docker registry
|
|
</a>
|
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</li>
|
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<li class="md-nav__item">
|
|
<a href="../examples/grpc/" title="gRPC" class="md-nav__link">
|
|
gRPC
|
|
</a>
|
|
</li>
|
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|
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|
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<li class="md-nav__item">
|
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<a href="../examples/multi-tls/" title="Multi TLS certificate termination" class="md-nav__link">
|
|
Multi TLS certificate termination
|
|
</a>
|
|
</li>
|
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<li class="md-nav__item">
|
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<a href="../examples/rewrite/" title="Rewrite" class="md-nav__link">
|
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Rewrite
|
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</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="../examples/static-ip/" title="Static IPs" class="md-nav__link">
|
|
Static IPs
|
|
</a>
|
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</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="../examples/tls-termination/" title="TLS termination" class="md-nav__link">
|
|
TLS termination
|
|
</a>
|
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</li>
|
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|
|
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|
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<li class="md-nav__item">
|
|
<a href="../examples/psp/" title="Pod Security Policy (PSP)" class="md-nav__link">
|
|
Pod Security Policy (PSP)
|
|
</a>
|
|
</li>
|
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|
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</ul>
|
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</nav>
|
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</li>
|
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</ul>
|
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</nav>
|
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</div>
|
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</div>
|
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</div>
|
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|
|
|
|
<div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
|
|
<div class="md-sidebar__scrollwrap">
|
|
<div class="md-sidebar__inner">
|
|
|
|
<nav class="md-nav md-nav--secondary">
|
|
|
|
|
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|
|
|
|
|
|
<label class="md-nav__title" for="__toc">Table of contents</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#installation" class="md-nav__link">
|
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Installation
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|
</a>
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</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#common-flags" class="md-nav__link">
|
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Common Flags
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|
</a>
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</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#subcommands" class="md-nav__link">
|
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Subcommands
|
|
</a>
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|
<nav class="md-nav">
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<ul class="md-nav__list">
|
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|
<li class="md-nav__item">
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<a href="#backends" class="md-nav__link">
|
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backends
|
|
</a>
|
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</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#certs" class="md-nav__link">
|
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certs
|
|
</a>
|
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|
|
</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#conf" class="md-nav__link">
|
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conf
|
|
</a>
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</li>
|
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|
|
<li class="md-nav__item">
|
|
<a href="#exec" class="md-nav__link">
|
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exec
|
|
</a>
|
|
|
|
</li>
|
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|
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<li class="md-nav__item">
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<a href="#general" class="md-nav__link">
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general
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#info" class="md-nav__link">
|
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info
|
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</a>
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|
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</li>
|
|
|
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<li class="md-nav__item">
|
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<a href="#ingresses" class="md-nav__link">
|
|
ingresses
|
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</a>
|
|
|
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</li>
|
|
|
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<li class="md-nav__item">
|
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<a href="#lint" class="md-nav__link">
|
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lint
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="#logs" class="md-nav__link">
|
|
logs
|
|
</a>
|
|
|
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</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="#ssh" class="md-nav__link">
|
|
ssh
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
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</li>
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</ul>
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</nav>
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</div>
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</div>
|
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</div>
|
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|
|
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<div class="md-content">
|
|
<article class="md-content__inner md-typeset">
|
|
|
|
|
|
<a href="https://github.com/kubernetes/ingress-nginx/edit/master/docs/kubectl-plugin.md" title="Edit this page" class="md-icon md-content__icon"></a>
|
|
|
|
|
|
<!--
|
|
-----------------NOTICE------------------------
|
|
This file is referenced in code as
|
|
https://github.com/kubernetes/ingress-nginx/blob/master/docs/kubectl-plugin.md
|
|
Do not move it without providing redirects.
|
|
-----------------------------------------------
|
|
-->
|
|
|
|
<h1 id="the-ingress-nginx-kubectl-plugin">The ingress-nginx kubectl plugin<a class="headerlink" href="#the-ingress-nginx-kubectl-plugin" title="Permanent link"> ¶</a></h1>
|
|
<h2 id="installation">Installation<a class="headerlink" href="#installation" title="Permanent link"> ¶</a></h2>
|
|
<p>Install <a href="https://github.com/GoogleContainerTools/krew">krew</a>, then run</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl krew install ingress-nginx</span>
|
|
</code></pre></div>
|
|
|
|
<p>to install the plugin. Then run</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl ingress-nginx --help</span>
|
|
</code></pre></div>
|
|
|
|
<p>to make sure the plugin is properly installed and to get a list of commands:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl ingress-nginx --help</span>
|
|
<span class="go">A kubectl plugin for inspecting your ingress-nginx deployments</span>
|
|
|
|
<span class="go">Usage:</span>
|
|
<span class="go"> ingress-nginx [command]</span>
|
|
|
|
<span class="go">Available Commands:</span>
|
|
<span class="go"> backends Inspect the dynamic backend information of an ingress-nginx instance</span>
|
|
<span class="go"> certs Output the certificate data stored in an ingress-nginx pod</span>
|
|
<span class="go"> conf Inspect the generated nginx.conf</span>
|
|
<span class="go"> exec Execute a command inside an ingress-nginx pod</span>
|
|
<span class="go"> general Inspect the other dynamic ingress-nginx information</span>
|
|
<span class="go"> help Help about any command</span>
|
|
<span class="go"> info Show information about the ingress-nginx service</span>
|
|
<span class="go"> ingresses Provide a short summary of all of the ingress definitions</span>
|
|
<span class="go"> lint Inspect kubernetes resources for possible issues</span>
|
|
<span class="go"> logs Get the kubernetes logs for an ingress-nginx pod</span>
|
|
<span class="go"> ssh ssh into a running ingress-nginx pod</span>
|
|
|
|
<span class="go">Flags:</span>
|
|
<span class="go"> --as string Username to impersonate for the operation</span>
|
|
<span class="go"> --as-group stringArray Group to impersonate for the operation, this flag can be repeated to specify multiple groups.</span>
|
|
<span class="go"> --cache-dir string Default HTTP cache directory (default "/Users/alexkursell/.kube/http-cache")</span>
|
|
<span class="go"> --certificate-authority string Path to a cert file for the certificate authority</span>
|
|
<span class="go"> --client-certificate string Path to a client certificate file for TLS</span>
|
|
<span class="go"> --client-key string Path to a client key file for TLS</span>
|
|
<span class="go"> --cluster string The name of the kubeconfig cluster to use</span>
|
|
<span class="go"> --context string The name of the kubeconfig context to use</span>
|
|
<span class="go"> -h, --help help for ingress-nginx</span>
|
|
<span class="go"> --insecure-skip-tls-verify If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure</span>
|
|
<span class="go"> --kubeconfig string Path to the kubeconfig file to use for CLI requests.</span>
|
|
<span class="go"> -n, --namespace string If present, the namespace scope for this CLI request</span>
|
|
<span class="go"> --request-timeout string The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. (default "0")</span>
|
|
<span class="go"> -s, --server string The address and port of the Kubernetes API server</span>
|
|
<span class="go"> --token string Bearer token for authentication to the API server</span>
|
|
<span class="go"> --user string The name of the kubeconfig user to use</span>
|
|
|
|
<span class="go">Use "ingress-nginx [command] --help" for more information about a command.</span>
|
|
</code></pre></div>
|
|
|
|
<p>If a new <code class="codehilite"><span class="err">ingress-nginx</span></code> version has just been released, the plugin may not yet have been updated inside the repository. In that case, you can install the latest version of the plugin by running:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">(</span>
|
|
<span class="go"> set -x; cd "$(mktemp -d)" &&</span>
|
|
<span class="go"> curl -fsSLO "https://github.com/kubernetes/ingress-nginx/releases/download/nginx-0.24.0/{ingress-nginx.yaml,kubectl-ingress_nginx-$(uname | tr '[:upper:]' '[:lower:]')-amd64.tar.gz}" &&</span>
|
|
<span class="go"> kubectl krew install \</span>
|
|
<span class="go"> --manifest=ingress-nginx.yaml --archive=kubectl-ingress_nginx-$(uname | tr '[:upper:]' '[:lower:]')-amd64.tar.gz</span>
|
|
<span class="go">)</span>
|
|
</code></pre></div>
|
|
|
|
<p>Replacing <code class="codehilite"><span class="err">0.24.0</span></code> with the recently released version.</p>
|
|
<h2 id="common-flags">Common Flags<a class="headerlink" href="#common-flags" title="Permanent link"> ¶</a></h2>
|
|
<ul>
|
|
<li>Every subcommand supports the basic <code class="codehilite"><span class="err">kubectl</span></code> configuration flags like <code class="codehilite"><span class="err">--namespace</span></code>, <code class="codehilite"><span class="err">--context</span></code>, <code class="codehilite"><span class="err">--client-key</span></code> and so on.</li>
|
|
<li>Subcommands that act on a particular <code class="codehilite"><span class="err">ingress-nginx</span></code> pod (<code class="codehilite"><span class="err">backends</span></code>, <code class="codehilite"><span class="err">certs</span></code>, <code class="codehilite"><span class="err">conf</span></code>, <code class="codehilite"><span class="err">exec</span></code>, <code class="codehilite"><span class="err">general</span></code>, <code class="codehilite"><span class="err">logs</span></code>, <code class="codehilite"><span class="err">ssh</span></code>), support the <code class="codehilite"><span class="err">--deployment <deployment></span></code> and <code class="codehilite"><span class="err">--pod <pod></span></code> flags to select either a pod from a deployment with the given name, or a pod with the given name. The <code class="codehilite"><span class="err">--deployment</span></code> flag defaults to <code class="codehilite"><span class="err">nginx-ingress-controller</span></code>.</li>
|
|
<li>Subcommands that inspect resources (<code class="codehilite"><span class="err">ingresses</span></code>, <code class="codehilite"><span class="err">lint</span></code>) support the <code class="codehilite"><span class="err">--all-namespaces</span></code> flag, which causes them to inspect resources in every namespace.</li>
|
|
</ul>
|
|
<h2 id="subcommands">Subcommands<a class="headerlink" href="#subcommands" title="Permanent link"> ¶</a></h2>
|
|
<p>Note that <code class="codehilite"><span class="err">backends</span></code>, <code class="codehilite"><span class="err">general</span></code>, <code class="codehilite"><span class="err">certs</span></code>, and <code class="codehilite"><span class="err">conf</span></code> require <code class="codehilite"><span class="err">ingress-nginx</span></code> version <code class="codehilite"><span class="err">0.23.0</span></code> or higher.</p>
|
|
<h3 id="backends">backends<a class="headerlink" href="#backends" title="Permanent link"> ¶</a></h3>
|
|
<p>Run <code class="codehilite"><span class="err">kubectl ingress-nginx backends</span></code> to get a JSON array of the backends that an ingress-nginx controller currently knows about:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx backends -n ingress-nginx
|
|
<span class="go">[</span>
|
|
<span class="go"> {</span>
|
|
<span class="go"> "name": "default-apple-service-5678",</span>
|
|
<span class="go"> "service": {</span>
|
|
<span class="go"> "metadata": {</span>
|
|
<span class="go"> "creationTimestamp": null</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> "spec": {</span>
|
|
<span class="go"> "ports": [</span>
|
|
<span class="go"> {</span>
|
|
<span class="go"> "protocol": "TCP",</span>
|
|
<span class="go"> "port": 5678,</span>
|
|
<span class="go"> "targetPort": 5678</span>
|
|
<span class="go"> }</span>
|
|
<span class="go"> ],</span>
|
|
<span class="go"> "selector": {</span>
|
|
<span class="go"> "app": "apple"</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> "clusterIP": "10.97.230.121",</span>
|
|
<span class="go"> "type": "ClusterIP",</span>
|
|
<span class="go"> "sessionAffinity": "None"</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> "status": {</span>
|
|
<span class="go"> "loadBalancer": {}</span>
|
|
<span class="go"> }</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> "port": 0,</span>
|
|
<span class="go"> "sslPassthrough": false,</span>
|
|
<span class="go"> "endpoints": [</span>
|
|
<span class="go"> {</span>
|
|
<span class="go"> "address": "10.1.3.86",</span>
|
|
<span class="go"> "port": "5678"</span>
|
|
<span class="go"> }</span>
|
|
<span class="go"> ],</span>
|
|
<span class="go"> "sessionAffinityConfig": {</span>
|
|
<span class="go"> "name": "",</span>
|
|
<span class="go"> "cookieSessionAffinity": {</span>
|
|
<span class="go"> "name": ""</span>
|
|
<span class="go"> }</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> "upstreamHashByConfig": {</span>
|
|
<span class="go"> "upstream-hash-by-subset-size": 3</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> "noServer": false,</span>
|
|
<span class="go"> "trafficShapingPolicy": {</span>
|
|
<span class="go"> "weight": 0,</span>
|
|
<span class="go"> "header": "",</span>
|
|
<span class="go"> "headerValue": "",</span>
|
|
<span class="go"> "cookie": ""</span>
|
|
<span class="go"> }</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> {</span>
|
|
<span class="go"> "name": "default-echo-service-8080",</span>
|
|
<span class="go"> ...</span>
|
|
<span class="go"> },</span>
|
|
<span class="go"> {</span>
|
|
<span class="go"> "name": "upstream-default-backend",</span>
|
|
<span class="go"> ...</span>
|
|
<span class="go"> }</span>
|
|
<span class="go">]</span>
|
|
</code></pre></div>
|
|
|
|
<p>Add the <code class="codehilite"><span class="err">--list</span></code> option to show only the backend names. Add the <code class="codehilite"><span class="err">--backend <backend></span></code> option to show only the backend with the given name.</p>
|
|
<h3 id="certs">certs<a class="headerlink" href="#certs" title="Permanent link"> ¶</a></h3>
|
|
<p>Use <code class="codehilite"><span class="err">kubectl ingress-nginx certs --host <hostname></span></code> to dump the SSL cert/key information for a given host. Requires that <code class="codehilite"><span class="err">--enable-dynamic-certificates</span></code> is <code class="codehilite"><span class="err">true</span></code> (this is the default as of version <code class="codehilite"><span class="err">0.24.0</span></code>).</p>
|
|
<p><strong>WARNING:</strong> This command will dump sensitive private key information. Don't blindly share the output, and certainly don't log it anywhere.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx certs -n ingress-nginx --host testaddr.local
|
|
<span class="go">-----BEGIN CERTIFICATE-----</span>
|
|
<span class="go">...</span>
|
|
<span class="go">-----END CERTIFICATE-----</span>
|
|
<span class="go">-----BEGIN CERTIFICATE-----</span>
|
|
<span class="go">...</span>
|
|
<span class="go">-----END CERTIFICATE-----</span>
|
|
|
|
<span class="go">-----BEGIN RSA PRIVATE KEY-----</span>
|
|
<span class="go"><REDACTED! DO NOT SHARE THIS!></span>
|
|
<span class="go">-----END RSA PRIVATE KEY-----</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="conf">conf<a class="headerlink" href="#conf" title="Permanent link"> ¶</a></h3>
|
|
<p>Use <code class="codehilite"><span class="err">kubectl ingress-nginx conf</span></code> to dump the generated <code class="codehilite"><span class="err">nginx.conf</span></code> file. Add the <code class="codehilite"><span class="err">--host <hostname></span></code> option to view only the server block for that host:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="go">kubectl ingress-nginx conf -n ingress-nginx --host testaddr.local</span>
|
|
|
|
<span class="go"> server {</span>
|
|
<span class="go"> server_name testaddr.local ;</span>
|
|
|
|
<span class="go"> listen 80;</span>
|
|
|
|
<span class="go"> set $proxy_upstream_name "-";</span>
|
|
<span class="go"> set $pass_access_scheme $scheme;</span>
|
|
<span class="go"> set $pass_server_port $server_port;</span>
|
|
<span class="go"> set $best_http_host $http_host;</span>
|
|
<span class="go"> set $pass_port $pass_server_port;</span>
|
|
|
|
<span class="go"> location / {</span>
|
|
|
|
<span class="go"> set $namespace "";</span>
|
|
<span class="go"> set $ingress_name "";</span>
|
|
<span class="go"> set $service_name "";</span>
|
|
<span class="go"> set $service_port "0";</span>
|
|
<span class="go"> set $location_path "/";</span>
|
|
|
|
<span class="go">...</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="exec">exec<a class="headerlink" href="#exec" title="Permanent link"> ¶</a></h3>
|
|
<p><code class="codehilite"><span class="err">kubectl ingress-nginx exec</span></code> is exactly the same as <code class="codehilite"><span class="err">kubectl exec</span></code>, with the same command flags. It will automatically choose an <code class="codehilite"><span class="err">ingress-nginx</span></code> pod to run the command in.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx <span class="nb">exec</span> -i -n ingress-nginx -- ls /etc/nginx
|
|
<span class="go">fastcgi_params</span>
|
|
<span class="go">geoip</span>
|
|
<span class="go">lua</span>
|
|
<span class="go">mime.types</span>
|
|
<span class="go">modsecurity</span>
|
|
<span class="go">modules</span>
|
|
<span class="go">nginx.conf</span>
|
|
<span class="go">opentracing.json</span>
|
|
<span class="go">owasp-modsecurity-crs</span>
|
|
<span class="go">template</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="general">general<a class="headerlink" href="#general" title="Permanent link"> ¶</a></h3>
|
|
<p><code class="codehilite"><span class="err">kubectl ingress-nginx general</span></code> dumps miscellaneous controller state as a JSON object. Currently it just shows the number of controller pods known to a particular controller pod.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx general -n ingress-nginx
|
|
<span class="go">{</span>
|
|
<span class="go"> "controllerPodsCount": 1</span>
|
|
<span class="go">}</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="info">info<a class="headerlink" href="#info" title="Permanent link"> ¶</a></h3>
|
|
<p>Shows the internal and external IP/CNAMES for an <code class="codehilite"><span class="err">ingress-nginx</span></code> service.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx info -n ingress-nginx
|
|
<span class="go">Service cluster IP address: 10.187.253.31</span>
|
|
<span class="go">LoadBalancer IP|CNAME: 35.123.123.123</span>
|
|
</code></pre></div>
|
|
|
|
<p>Use the <code class="codehilite"><span class="err">--service <service></span></code> flag if your <code class="codehilite"><span class="err">ingress-nginx</span></code> <code class="codehilite"><span class="err">LoadBalancer</span></code> service is not named <code class="codehilite"><span class="err">ingress-nginx</span></code>.</p>
|
|
<h3 id="ingresses">ingresses<a class="headerlink" href="#ingresses" title="Permanent link"> ¶</a></h3>
|
|
<p><code class="codehilite"><span class="err">kubectl ingress-nginx ingresses</span></code>, alternately <code class="codehilite"><span class="err">kubectl ingress-nginx ing</span></code>, shows a more detailed view of the ingress definitions in a namespace. Compare:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl get ingresses --all-namespaces
|
|
<span class="go">NAMESPACE NAME HOSTS ADDRESS PORTS AGE</span>
|
|
<span class="go">default example-ingress1 testaddr.local,testaddr2.local localhost 80 5d</span>
|
|
<span class="go">default test-ingress-2 * localhost 80 5d</span>
|
|
</code></pre></div>
|
|
|
|
<p>vs</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx ingresses --all-namespaces
|
|
<span class="go">NAMESPACE INGRESS NAME HOST+PATH ADDRESSES TLS SERVICE SERVICE PORT ENDPOINTS</span>
|
|
<span class="go">default example-ingress1 testaddr.local/etameta localhost NO pear-service 5678 5</span>
|
|
<span class="go">default example-ingress1 testaddr2.local/otherpath localhost NO apple-service 5678 1</span>
|
|
<span class="go">default example-ingress1 testaddr2.local/otherotherpath localhost NO pear-service 5678 5</span>
|
|
<span class="go">default test-ingress-2 * localhost NO echo-service 8080 2</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="lint">lint<a class="headerlink" href="#lint" title="Permanent link"> ¶</a></h3>
|
|
<p><code class="codehilite"><span class="err">kubectl ingress-nginx lint</span></code> can check a namespace or entire cluster for potential configuration issues. This command is especially useful when upgrading between <code class="codehilite"><span class="err">ingress-nginx</span></code> versions.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx lint --all-namespaces --verbose
|
|
<span class="go">Checking ingresses...</span>
|
|
<span class="go">✗ anamespace/this-nginx</span>
|
|
<span class="go"> - Contains the removed session-cookie-hash annotation.</span>
|
|
<span class="go"> Lint added for version 0.24.0</span>
|
|
<span class="go"> https://github.com/kubernetes/ingress-nginx/issues/3743</span>
|
|
<span class="go">✗ othernamespace/ingress-definition-blah</span>
|
|
<span class="go"> - The rewrite-target annotation value does not reference a capture group</span>
|
|
<span class="go"> Lint added for version 0.22.0</span>
|
|
<span class="go"> https://github.com/kubernetes/ingress-nginx/issues/3174</span>
|
|
|
|
<span class="go">Checking deployments...</span>
|
|
<span class="go">✗ namespace2/nginx-ingress-controller</span>
|
|
<span class="go"> - Uses removed config flag --sort-backends</span>
|
|
<span class="go"> Lint added for version 0.22.0</span>
|
|
<span class="go"> https://github.com/kubernetes/ingress-nginx/issues/3655</span>
|
|
<span class="go"> - Uses removed config flag --enable-dynamic-certificates</span>
|
|
<span class="go"> Lint added for version 0.24.0</span>
|
|
<span class="go"> https://github.com/kubernetes/ingress-nginx/issues/3808</span>
|
|
</code></pre></div>
|
|
|
|
<p>to show the lints added <strong>only</strong> for a particular <code class="codehilite"><span class="err">ingress-nginx</span></code> release, use the <code class="codehilite"><span class="err">--from-version</span></code> and <code class="codehilite"><span class="err">--to-version</span></code> flags:</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx lint --all-namespaces --verbose --from-version <span class="m">0</span>.24.0 --to-version <span class="m">0</span>.24.0
|
|
<span class="go">Checking ingresses...</span>
|
|
<span class="go">✗ anamespace/this-nginx</span>
|
|
<span class="go"> - Contains the removed session-cookie-hash annotation.</span>
|
|
<span class="go"> Lint added for version 0.24.0</span>
|
|
<span class="go"> https://github.com/kubernetes/ingress-nginx/issues/3743</span>
|
|
|
|
<span class="go">Checking deployments...</span>
|
|
<span class="go">✗ namespace2/nginx-ingress-controller</span>
|
|
<span class="go"> - Uses removed config flag --enable-dynamic-certificates</span>
|
|
<span class="go"> Lint added for version 0.24.0</span>
|
|
<span class="go"> https://github.com/kubernetes/ingress-nginx/issues/3808</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="logs">logs<a class="headerlink" href="#logs" title="Permanent link"> ¶</a></h3>
|
|
<p><code class="codehilite"><span class="err">kubectl ingress-nginx logs</span></code> is almost the same as <code class="codehilite"><span class="err">kubectl logs</span></code>, with fewer flags. It will automatically choose an <code class="codehilite"><span class="err">ingress-nginx</span></code> pod to read logs from.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx logs -n ingress-nginx
|
|
<span class="go">-------------------------------------------------------------------------------</span>
|
|
<span class="go">NGINX Ingress controller</span>
|
|
<span class="go"> Release: dev</span>
|
|
<span class="go"> Build: git-48dc3a867</span>
|
|
<span class="go"> Repository: git@github.com:kubernetes/ingress-nginx.git</span>
|
|
<span class="go">-------------------------------------------------------------------------------</span>
|
|
|
|
<span class="go">W0405 16:53:46.061589 7 flags.go:214] SSL certificate chain completion is disabled (--enable-ssl-chain-completion=false)</span>
|
|
<span class="go">nginx version: nginx/1.15.9</span>
|
|
<span class="go">W0405 16:53:46.070093 7 client_config.go:549] Neither --kubeconfig nor --master was specified. Using the inClusterConfig. This might not work.</span>
|
|
<span class="go">I0405 16:53:46.070499 7 main.go:205] Creating API client for https://10.96.0.1:443</span>
|
|
<span class="go">I0405 16:53:46.077784 7 main.go:249] Running in Kubernetes cluster version v1.10 (v1.10.11) - git (clean) commit 637c7e288581ee40ab4ca210618a89a555b6e7e9 - platform linux/amd64</span>
|
|
<span class="go">I0405 16:53:46.183359 7 nginx.go:265] Starting NGINX Ingress controller</span>
|
|
<span class="go">I0405 16:53:46.193913 7 event.go:209] Event(v1.ObjectReference{Kind:"ConfigMap", Namespace:"ingress-nginx", Name:"udp-services", UID:"82258915-563e-11e9-9c52-025000000001", APIVersion:"v1", ResourceVersion:"494", FieldPath:""}): type: 'Normal' reason: 'CREATE' ConfigMap ingress-nginx/udp-services</span>
|
|
<span class="go">...</span>
|
|
</code></pre></div>
|
|
|
|
<h3 id="ssh">ssh<a class="headerlink" href="#ssh" title="Permanent link"> ¶</a></h3>
|
|
<p><code class="codehilite"><span class="err">kubectl ingress-nginx ssh</span></code> is exactly the same as <code class="codehilite"><span class="err">kubectl ingress-nginx exec -it -- /bin/bash</span></code>. Use it when you want to quickly be dropped into a shell inside a running <code class="codehilite"><span class="err">ingress-nginx</span></code> container.</p>
|
|
<div class="codehilite"><pre><span></span><code><span class="gp">$</span> kubectl ingress-nginx ssh -n ingress-nginx
|
|
<span class="gp">www-data@nginx-ingress-controller-7cbf77c976-wx5pn:/etc/nginx$</span>
|
|
</code></pre></div>
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