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<button id=search-close title="Cancel search" type=reset aria-label="Cancel search"><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#cancel-x"/></svg></button></form></nav></header><main class="primary notoc"><div id=sidebar-container class="sidebar-container sidebar-offcanvas"><nav id=sidebar aria-label="Section Navigation"><div class=directory><div class=card><div id=header0 class=header title="A bunch of resources to help you deploy, configure and use Istio."><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#help"/></svg>Need Help?</div><div class="body default" aria-labelledby=header0><ul role=tree aria-expanded=true aria-labelledby=header0><li role=treeitem aria-label="Operations Guide"><button class=show aria-hidden=true></button><a title="Hints, tips, tricks about running an Istio mesh." href=/v1.1/help/ops/>Operations Guide</a><ul role=group aria-expanded=true><li role=none><a role=treeitem title="Describes how to use component-level logging to get insights into a running component's behavior." href=/v1.1/help/ops/component-logging/>Component Logging</a></li><li role=none><a role=treeitem title="Describes how to use ControlZ to get insight into individual running components." href=/v1.1/help/ops/controlz/>Component Introspection</a></li><li role=none><a role=treeitem title="How to do low-level debugging of Istio components." href=/v1.1/help/ops/component-debugging/>Component Debugging</a></li><li role=treeitem aria-label="Traffic Management"><button aria-hidden=true></button><a title="Helps you manage the networking aspects of a running mesh." href=/v1.1/help/ops/traffic-management/>Traffic Management</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="An introduction to Istio networking operational aspects." href=/v1.1/help/ops/traffic-management/introduction/>Introduction to Network Operations</a></li><li role=none><a role=treeitem title="Provides specific deployment and configuration guidelines." href=/v1.1/help/ops/traffic-management/deploy-guidelines/>Deployment and Configuration Guidelines</a></li><li role=none><a role=treeitem title="Describes common networking issues and how to recognize and avoid them." href=/v1.1/help/ops/traffic-management/troubleshooting/>Troubleshooting Networking Issues</a></li><li role=none><a role=treeitem title="Describes tools and techniques to diagnose Envoy configuration issues related to traffic management." href=/v1.1/help/ops/traffic-management/proxy-cmd/>Debugging Envoy and Pilot</a></li><li role=none><a role=treeitem title="Information on how to enable and understand Locality Load Balancing." href=/v1.1/help/ops/traffic-management/locality-load-balancing/>Locality Load Balancing</a></li></ul></li><li role=treeitem aria-label=Security><button aria-hidden=true></button><a title="Helps you manage the security aspects of a running mesh." href=/v1.1/help/ops/security/>Security</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Demonstrates how to debug authorization." href=/v1.1/help/ops/security/debugging-authorization/>Debugging Authorization</a></li><li role=none><a role=treeitem title="What to do if Citadel is not behaving properly." href=/v1.1/help/ops/security/repairing-citadel/>Repairing Citadel</a></li><li role=none><a role=treeitem title="What to do if you suspect problems with Istio keys and certificates." href=/v1.1/help/ops/security/keys-and-certs/>Keys and Certificates</a></li><li role=none><a role=treeitem title="What to do if mutual TLS authentication isn't working." href=/v1.1/help/ops/security/mutual-tls/>Mutual TLS</a></li><li role=none><a role=treeitem title="Authorization is enabled, but requests make it through anyway." href=/v1.1/help/ops/security/authorization-permissive/>Authorization Too Permissive</a></li><li role=none><a role=treeitem title="Authorization is enabled and no requests make it through to the service." href=/v1.1/help/ops/security/authorization-restrictive/>Authorization Too Restrictive</a></li><li role=none><a role=treeitem title="What to do if end-user authentication doesn't work." href=/v1.1/help/ops/security/end-user-auth/>End User Authentication</a></li><li role=none><a role=treeitem title="Learn how to extend the lifetime of the Istio self-signed root certificate." href=/v1.1/help/ops/security/root-transition/>Extending Self-Signed Certificate Lifetime</a></li></ul></li><li role=treeitem aria-label=Telemetry><button class=show aria-hidden=true></button><a title="Helps you manage telemetry collection and visualization in a running mesh." href=/v1.1/help/ops/telemetry/>Telemetry</a><ul role=group aria-expanded=true class=leaf-section><li role=none><a role=treeitem title="Diagnose problems where metrics are not being collected." href=/v1.1/help/ops/telemetry/missing-metrics/>Missing Metrics</a></li><li role=none><span role=treeitem class=current title="Dealing with Grafana issues.">Grafana</span></li><li role=none><a role=treeitem title="Fine-grained control of Envoy statistics." href=/v1.1/help/ops/telemetry/envoy-stats/>Envoy Statistics</a></li></ul></li><li role=treeitem aria-label="Installation and Setup"><button aria-hidden=true></button><a title="Helps you diagnose and repair Istio installations." href=/v1.1/help/ops/setup/>Installation and Setup</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Provides a general overview of Istio's use of Kubernetes webhooks and the related issues that can arise." href=/v1.1/help/ops/setup/webhook/>Dynamic Admission Webhooks Overview</a></li><li role=none><a role=treeitem title="Describes Istio's use of Kubernetes webhooks for server-side configuration validation." href=/v1.1/help/ops/setup/validation/>Configuration Validation Webhook</a></li><li role=none><a role=treeitem title="Describes Istio's use of Kubernetes webhooks for automatic sidecar injection." href=/v1.1/help/ops/setup/injection/>Sidecar Injection Webhook</a></li><li role=none><a role=treeitem title="Describes how to check which capabilities are allowed for your pods." href=/v1.1/help/ops/setup/required-pod-capabilities/>Required Pod Capabilities</a></li><li role=none><a role=treeitem title="Shows how to do health checking for Istio services." href=/v1.1/help/ops/setup/app-health-check/>Health Checking of Istio Services</a></li></ul></li><li role=none><a role=treeitem title="Advice on tackling common problems with Istio." href=/v1.1/help/ops/misc/>Miscellaneous</a></li></ul></li><li role=treeitem aria-label=FAQ><button aria-hidden=true></button><a title="Frequently Asked Questions about Istio." href=/v1.1/help/faq/>FAQ</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="General Q & A." href=/v1.1/help/faq/general/>General</a></li><li role=none><a role=treeitem title="Setup Q & A." href=/v1.1/help/faq/setup/>Setup</a></li><li role=none><a role=treeitem title="Security Q & A." href=/v1.1/help/faq/security/>Security</a></li><li role=none><a role=treeitem title="Mixer Q & A." href=/v1.1/help/faq/mixer/>Mixer</a></li><li role=none><a role=treeitem title="Metrics and Logs Q & A." href=/v1.1/help/faq/metrics-and-logs/>Metrics and Logs</a></li><li role=none><a role=treeitem title="Distributed Tracing Q & A." href=/v1.1/help/faq/distributed-tracing/>Distributed Tracing</a></li><li role=none><a role=treeitem title="Traffic Management Q & A." href=/v1.1/help/faq/traffic-management/>Traffic Management</a></li></ul></li><li role=none><a role=treeitem title="A glossary of common Istio terms." href=/v1.1/help/glossary/>Glossary</a></li></ul></div></div></div></nav></div><div class=article-container><button tabindex=-1 id=sidebar-toggler title="Toggle the navigation bar"><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#pull"/></svg></button><nav aria-label=Breadcrumb><ol><li><a href=/v1.1/ title="Connect, secure, control, and observe services.">Istio</a></li><li><a href=/v1.1/help/ title="A bunch of resources to help you deploy, configure and use Istio.">Help</a></li><li><a href=/v1.1/help/ops/ title="Hints, tips, tricks about running an Istio mesh.">Operations Guide</a></li><li><a href=/v1.1/help/ops/telemetry/ title="Helps you manage telemetry collection and visualization in a running mesh.">Telemetry</a></li><li>Grafana</li></ol></nav><article aria-labelledby=title><div class=title-area><div><h1 id=title>Grafana</h1></div></div><p>If you’re unable to get Grafana output when connecting from a local web client to Istio remotely hosted, you
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should validate the client and server date and time match.</p><p>The time of the web client (e.g. Chrome) affects the output from Grafana. A simple solution
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to this problem is to verify a time synchronization service is running correctly within the
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Kubernetes cluster and the web client machine also is correctly using a time synchronization
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service. Some common time synchronization systems are NTP and Chrony. This is especially
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problematic in engineering labs with firewalls. In these scenarios, NTP may not be configured
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properly to point at the lab-based NTP services.</p></article><nav class=pagenav><div class=left><a title="Diagnose problems where metrics are not being collected." href=/v1.1/help/ops/telemetry/missing-metrics/><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#left-arrow"/></svg>Missing Metrics</a></div><div class=right><a title="Fine-grained control of Envoy statistics." href=/v1.1/help/ops/telemetry/envoy-stats/>Envoy Statistics<svg class="icon"><use xlink:href="/v1.1/img/icons.svg#right-arrow"/></svg></a></div></nav><div id=endnotes-container aria-hidden=true><h2>Links</h2><ol id=endnotes></ol></div></div></main><footer><div class=user-links><a class=channel title="Go download Istio 1.1.9 now" href=https://github.com/istio/istio/releases/tag/1.1.9 aria-label="Download Istio"><span>download</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#download"/></svg>
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</a><a class=channel title="Join the Istio discussion board to participate in discussions and get help troubleshooting problems" href=https://discuss.istio.io aria-label="Istio discussion board"><span>discuss</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#discourse"/></svg></a>
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<a class=channel title="Stack Overflow is where you can ask questions and find curated answers on deploying, configuring, and using Istio" href=https://stackoverflow.com/questions/tagged/istio aria-label="Stack Overflow"><span>stack overflow</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#stackoverflow"/></svg></a>
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<a class=channel title="Follow us on Twitter to get the latest news" href=https://twitter.com/IstioMesh aria-label=Twitter><span>twitter</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#twitter"/></svg></a><div class=tag>for everyone</div></div><div class=info><p class=copyright>Istio Archive
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1.1.9<br>© 2019 Istio Authors, <a href=https://policies.google.com/privacy>Privacy Policy</a><br>Archived on June 18, 2019</p></div><div class=dev-links><a class=channel title="GitHub is where development takes place on Istio code" href=https://github.com/istio/community aria-label=GitHub><span>github</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#github"/></svg></a>
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<a class=channel title="Interactively discuss issues with the Istio community on Slack" href=https://istio.slack.com aria-label=slack><span>slack</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#slack"/></svg></a>
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<a class=channel title="Access our team drive if you'd like to take a look at the Istio technical design documents" href=https://groups.google.com/forum/#!forum/istio-team-drive-access aria-label="team drive"><span>drive</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#drive"/></svg></a>
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<a class=channel title="If you'd like to contribute to the Istio project, consider participating in our working groups" href=https://github.com/istio/community/blob/master/WORKING-GROUPS.md aria-label="working groups"><span>working groups</span><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#working-groups"/></svg></a><div class=tag>for developers</div></div></footer><div id=scroll-to-top-container aria-hidden=true><button id=scroll-to-top title="Back to top"><svg class="icon"><use xlink:href="/v1.1/img/icons.svg#top"/></svg></button></div></body></html> |