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href="/v0.1/docs/reference/index.html">Reference</a></li></ul></div></div></div><script src="/v0.1/js/navtree.js"></script><div class="container docs"><div class="row"><div class="col-md-11 nofloat center-block"><div class="row"><div id="sidebar-container" class="col-sm-3"><ul class="doc-side-nav"><li><h5 class='doc-side-nav-title'>Tasks</h5></li><script type="text/javascript"> var docs = []; docs.push({path: [ "basic-access-control.md", ], url: "/docs/tasks/basic-access-control.html", title: "Enabling Simple Access Control", order: 90, overview: "This task shows how to use Istio to control access to a service."}); docs.push({path: [ "egress.md", ], url: "/docs/tasks/egress.html", title: "Enabling Egress Traffic", order: 40, overview: "Describes how to configure Istio to route traffic from services in the mesh to external services."}); docs.push({path: [ "fault-injection.md", ], url: "/docs/tasks/fault-injection.html", title: "Fault Injection", order: 60, overview: "This task shows how to inject delays and test the resiliency of your application."}); docs.push({path: [ "index.md", ], url: "/docs/tasks/index.html", title: "Tasks", order: 20, overview: "Tasks show you how to do a single specific targeted activity with the Istio system."}); docs.push({path: [ "ingress.md", ], url: "/docs/tasks/ingress.html", title: "Enabling Ingress Traffic", order: 30, overview: "Describes how to configure Istio to expose a service outside of the service mesh."}); docs.push({path: [ "installing-istio.md", ], url: "/docs/tasks/installing-istio.html", title: "Installing Istio", order: 10, overview: "This task shows you how to setup the Istio service mesh."}); docs.push({path: [ "integrating-services-into-istio.md", ], url: "/docs/tasks/integrating-services-into-istio.html", title: "Integrating Services into the Mesh", order: 20, overview: "This task shows you how to integrate your applications with the Istio service mesh."}); docs.push({path: [ "istio-auth.md", ], url: "/docs/tasks/istio-auth.html", title: "Testing Istio Auth", order: 100, overview: "This task shows you how to verify and test Istio-Auth."}); docs.push({path: [ "metrics-logs.md", ], url: "/docs/tasks/metrics-logs.html", title: "Collecting Metrics and Logs", order: 110, overview: "This task shows you how to configure Mixer to collect metrics and logs from Envoy instances."}); docs.push({path: [ "rate-limiting.md", ], url: "/docs/tasks/rate-limiting.html", title: "Enabling Rate Limits", order: 80, overview: "This task shows you how to use Istio to dynamically limit the traffic to a service."}); docs.push({path: [ "request-routing.md", ], url: "/docs/tasks/request-routing.html", title: "Configuring Request Routing", order: 50, overview: "This task shows you how to configure dynamic request routing based on weights and HTTP headers."}); docs.push({path: [ "request-timeouts.md", ], url: "/docs/tasks/request-timeouts.html", title: "Setting Request Timeouts", order: 70, overview: "This task shows you how to setup request timeouts in Envoy using Istio."}); docs.push({path: [ "zipkin-tracing.md", ], url: "/docs/tasks/zipkin-tracing.html", title: "Distributed Request Tracing", order: 120, overview: "How to configure the proxies to send tracing requests to Zipkin"}); genNavBarTree(docs) </script></ul></div><div id="tab-container" class="col-xs-1 tab-neg-margin pull-left"> <a id="sidebar-tab" class="glyphicon glyphicon-chevron-left" href="javascript:void 0;"></a></div><div id="content-container" class="thin-left-border col-sm-9 markdown"><div id="toc" class="toc"></div><div id="doc-content"><h1>Installing Istio</h1><p>This page shows how to install and configure Istio in a Kubernetes cluster.</p><h2 id="prerequisites">Prerequisites</h2><ul><li><p>The following instructions assume you have access to a Kubernetes cluster. To install Kubernetes locally, try <a href="https://kubernetes.io/docs/getting-started-guides/minikube/">minikube</a>.</p></li><li><p>If you are using <a href="https://cloud.google.com/container-engine">Google Container Engine</a>, find out your cluster name and zone, and fetch credentials for kubectl:</p><pre><code class="language-bash">gcloud container clusters get-credentials <cluster-name> --zone <zone> --project <project-name>
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</code></pre></li><li><p>If you are using <a href="https://www.ibm.com/cloud-computing/bluemix/containers">IBM Bluemix Container Service</a>, find out your cluster name, and fetch credentials for kubectl:</p><pre><code class="language-bash">$(bx cs cluster-config <cluster-name>|grep "export KUBECONFIG")
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</code></pre></li><li><p>Install the Kubernetes client <a href="https://kubernetes.io/docs/tasks/tools/install-kubectl/">kubectl</a>, or upgrade to the latest version supported by your cluster.</p></li><li><p>If you previously installed Istio on this cluster, please uninstall first by following the <a href="/v0.1/docs/tasks/installing-istio.html#uninstalling">uninstalling</a> steps at the end of this page.</p></li></ul><h2 id="installation-steps">Installation steps</h2><p>For the 0.1 release, Istio must be installed in the same Kubernetes namespace as the applications. Instructions below will deploy Istio in the default namespace. They can be modified for deployment in a different namespace.</p><ol><li>Go to the <a href="https://github.com/istio/istio/releases">Istio release</a> page, to download the installation file corresponding to your OS or run<pre><code class="language-bash">curl -L https://git.io/getIstio | sh -
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</code></pre><p>to download and extract the latest release automatically (on MacOS and Ubuntu).</p></li><li>Extract the installation file, and change directory to the location where the files were extracted. The following instructions are relative to this installation directory. The installation directory contains:<ul><li>yaml installation files for Kubernetes</li><li>sample apps</li><li>the <code>istioctl</code> client binary, needed to inject Envoy as a sidecar proxy, and useful for creating routing rules and policies.</li><li>the istio.VERSION configuration file.</li></ul></li><li><p>Add the <code>istioctl</code> client to your PATH if you download the installation file from <a href="https://github.com/istio/istio/releases">Istio release</a>. For example, run the following commands on a Linux or MacOS system:</p><pre><code class="language-bash">export PATH=$PWD/bin:$PATH
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</code></pre></li><li><p>Run the following command to determine if your cluster has <a href="https://kubernetes.io/docs/admin/authorization/rbac/">RBAC (Role-Based Access Control)</a> enabled:</p><pre><code class="language-bash">kubectl api-versions | grep rbac
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</code></pre><ul><li><p>If the command displays an error, or does not display anything, it means the cluster does not support RBAC, and you can proceed to step 5 below.</p></li><li><p>If the command displays ‘beta’ version, or both ‘alpha’ and ‘beta’, please apply istio-rbac-beta.yaml configuration as show below:</p></li></ul><p><em>(Note: If you deploy Istio in another namespace than the <code>default</code> namespace, replace the <code>namespace: default</code> line in all ClusterRoleBinding resources with the actual namespace.)</em></p><pre><code class="language-bash">kubectl apply -f install/kubernetes/istio-rbac-beta.yaml
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</code></pre><p>If you get an error</p><pre><code>Error from server (Forbidden): error when creating "install/kubernetes/istio-rbac-beta.yaml": clusterroles.rbac.authorization.k8s.io "istio-pilot" is forbidden: attempt to grant extra privileges: [{[*] [istio.io] [istioconfigs] [] []} {[*] [istio.io] [istioconfigs.istio.io] [] []} {[*] [extensions] [thirdpartyresources] [] []} {[*] [extensions] [thirdpartyresources.extensions] [] []} {[*] [extensions] [ingresses] [] []} {[*] [] [configmaps] [] []} {[*] [] [endpoints] [] []} {[*] [] [pods] [] []} {[*] [] [services] [] []}] user=&{user@example.org [...]
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</code></pre><p>You need to add the following: (replace the name with your own)</p><pre><code>kubectl create clusterrolebinding myname-cluster-admin-binding --clusterrole=cluster-admin --user=myname@example.org
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</code></pre><ul><li>If the command displays only ‘alpha’ version, please apply istio-rbac-alpha.yaml configuration:</li></ul><p><em>(Note: If you deploy Istio in another namespace than the <code>default</code> namespace, replace the <code>namespace: default</code> line in all ClusterRoleBinding resources with the actual namespace.)</em></p><pre><code class="language-bash">kubectl apply -f install/kubernetes/istio-rbac-alpha.yaml
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</code></pre></li><li><p>Install Istio’s core components . There are two mutually exclusive options at this stage:</p><ul><li><p>Install Istio without enabling <a href="/v0.1/docs/concepts/network-and-auth/auth.html">Istio Auth</a> feature:</p><pre><code class="language-bash">kubectl apply -f install/kubernetes/istio.yaml
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</code></pre><p>This command will install Pilot, Mixer, Ingress-Controller, Egress-Controller core components.</p></li><li><p>Install Istio and enable <a href="/v0.1/docs/concepts/network-and-auth/auth.html">Istio Auth</a> feature (This deploys a CA in the namespace and enables <a href="https://en.wikipedia.org/wiki/Mutual_authentication">mTLS</a> between the services):</p><pre><code class="language-bash">kubectl apply -f install/kubernetes/istio-auth.yaml
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</code></pre><p>This command will install Pilot, Mixer, Ingress-Controller, and Egress-Controller, and the Istio CA (Certificate Authority).</p></li></ul></li><li><em>Optional:</em> Install addons for metric collection and/or request tracing as described in the following sections.</li></ol><h3 id="enabling-metrics-collection">Enabling metrics collection</h3><p>To collect and view metrics provided by Mixer, install <a href="https://prometheus.io">Prometheus</a>, as well as the <a href="https://grafana.com/grafana/download">Grafana</a> and/or ServiceGraph addons.</p><pre><code class="language-bash">kubectl apply -f install/kubernetes/addons/prometheus.yaml
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kubectl apply -f install/kubernetes/addons/grafana.yaml
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kubectl apply -f install/kubernetes/addons/servicegraph.yaml
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</code></pre><p>You can find out more about how to use these tools in <a href="./metrics-logs.html">Collecting Metrics and Logs</a>.</p><h4 id="verifying-the-grafana-dashboard">Verifying the Grafana dashboard</h4><p>The Grafana addon provides an Istio dashboard visualization of the metrics (request rates, success/failure rates) in the cluster. Once you’ve installed Grafana, check that you can access the dashboard.</p><p>Configure port-forwarding for the <code>grafana</code> service, as follows:</p><pre><code class="language-bash"> kubectl port-forward $(kubectl get pod -l app=grafana -o jsonpath='{.items[0].metadata.name}') 3000:3000 &
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</code></pre><p>Then point your web browser to <a href="http://localhost:3000/dashboard/db/istio-dashboard">http://localhost:3000/dashboard/db/istio-dashboard</a>. The dashboard should look something like this:</p><figure><img style="max-width:80%" src="./img/grafana_dashboard.png" alt="Grafana Istio Dashboard" title="Grafana Istio Dashboard" /><figcaption>Grafana Istio Dashboard</figcaption></figure><h4 id="verifying-the-servicegraph-service">Verifying the ServiceGraph service</h4><p>The ServiceGraph addon provides a textual (JSON) representation and a graphical visualization of the service interaction graph for the cluster. Like Grafana, you can access the servicegraph service using port-forwarding, service nodePort, or (if external load balancing is available) external IP. In this case the service name is <code>servicegraph</code> and the port to access is 8088:</p><pre><code class="language-bash">kubectl port-forward $(kubectl get pod -l app=servicegraph -o jsonpath='{.items[0].metadata.name}') 8088:8088 &
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</code></pre><p>The ServiceGraph service provides both a textual (JSON) representation (via <code>/graph</code>) and a graphical visualization (via <code>/dotviz</code>) of the underlying service graph. To view the graphical visualization (assuming that you have configured port forwarding as per the previous snippet), open your browser at: <a href="http://localhost:8088/dotviz">http://localhost:8088/dotviz</a>.</p><p>After running some services – for example, after installing the <a href="/v0.1/docs/samples/bookinfo.html">BookInfo</a> sample application and generating some load on the application (e.g., executing <code>curl</code> requests in a <code>while</code> loop) – the resulting service graph should look something like this:</p><figure><img src="./img/servicegraph.png" alt="BookInfo Service Graph" title="BookInfo Service Graph" /><figcaption>BookInfo Service Graph</figcaption></figure><h3 id="enabling-request-tracing-with-zipkin">Enabling request tracing with Zipkin</h3><p>To enable and view distributed request tracing, install the <a href="http://zipkin.io">Zipkin</a> addon:</p><pre><code class="language-bash">kubectl apply -f install/kubernetes/addons/zipkin.yaml
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</code></pre><p>Zipkin can be used to analyze the request flow and timing of an Istio application and to help identify bottlenecks. You can find out more about how to access the Zipkin dashboard and use Zipkin in <a href="/v0.1/docs/tasks/zipkin-tracing.html">Distributed Request Tracing</a>.</p><h2 id="verifying-the-installation">Verifying the installation</h2><ol><li><p>Ensure the following Kubernetes services were deployed: “istio-pilot”, “istio-mixer”, “istio-ingress”, “istio-egress”, “istio-ca” (if Istio Auth is enabled), and, optionally, “grafana”, “prometheus’, “servicegraph” and “zipkin”.</p><pre><code class="language-bash">kubectl get svc
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</code></pre><pre><code class="language-bash">NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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grafana 10.83.252.16 <none> 3000:30432/TCP 5h
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istio-egress 10.83.247.89 <none> 80/TCP 5h
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istio-ingress 10.83.245.171 35.184.245.62 80:32730/TCP,443:30574/TCP 5h
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istio-pilot 10.83.251.173 <none> 8080/TCP,8081/TCP 5h
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istio-mixer 10.83.244.253 <none> 9091/TCP,9094/TCP,42422/TCP 5h
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kubernetes 10.83.240.1 <none> 443/TCP 36d
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prometheus 10.83.247.221 <none> 9090:30398/TCP 5h
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servicegraph 10.83.242.48 <none> 8088:31928/TCP 5h
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zipkin 10.83.241.77 <none> 9411:30243/TCP 5h
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</code></pre><p>Note that if your cluster is running in an environment that does not support an external load balancer (e.g., minikube), the <code>EXTERNAL-IP</code> of <code>istio-ingress</code> will say <code><pending></code> and you will need to access the application using the service NodePort or port-forwarding instead.</p></li><li><p>Check the corresponding Kubernetes pods were deployed and all containers are up and running: “istio-pilot-*”, “istio-mixer-*”, “istio-ingress-*”, “istio-egress-*”, “istio-ca-*” (if Istio Auth is enabled), and, optionally, “grafana-*”, “prometheus-*’, “servicegraph-*” and “zipkin-*”.</p><pre><code class="language-bash">kubectl get pods
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</code></pre><pre><code class="language-bash">grafana-3836448452-vhc1v 1/1 Running 0 5h
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istio-ca-3657790228-j21b9 1/1 Running 0 5h
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istio-egress-1684034556-fhw89 1/1 Running 0 5h
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istio-ingress-1842462111-j3vcs 1/1 Running 0 5h
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istio-pilot-2275554717-93c43 2/2 Running 0 5h
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istio-mixer-2104784889-20rm8 1/1 Running 0 5h
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prometheus-3067433533-wlmt2 1/1 Running 0 5h
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servicegraph-3127588006-pc5z3 1/1 Running 0 5h
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zipkin-4057566570-k9m42 1/1 Running 0 5h
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</code></pre></li></ol><h2 id="deploy-your-application">Deploy your application</h2><p>You can now deploy your own application, or one of the sample applications provided with the installation, for example <a href="/v0.1/docs/samples/bookinfo.html">BookInfo</a>. Note that the application should use HTTP/1.1 or HTTP/2.0 protocol for all its HTTP traffic; HTTP/1.0 is not supported.</p><p>When deploying the application, you must use <a href="/v0.1/docs/reference/commands/istioctl.html#istioctl-kube-inject">istioctl kube-inject</a> to automatically inject Envoy containers in your application pods:</p><pre><code class="language-bash">kubectl create -f <(istioctl kube-inject -f <your-app-spec>.yaml)
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</code></pre><h2 id="uninstalling">Uninstalling</h2><ol><li><p>Uninstall Istio core components:</p><ul><li><p>If Istio was installed without Istio auth feature:</p><pre><code class="language-bash">kubectl delete -f install/kubernetes/istio.yaml
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</code></pre></li><li><p>If Istio was installed with auth feature enabled:</p><pre><code class="language-bash">kubectl delete -f install/kubernetes/istio-auth.yaml
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</code></pre></li></ul></li><li><p>Uninstall RBAC Istio roles:</p><ul><li><p>If beta version was installed:</p><pre><code class="language-bash">kubectl delete -f install/kubernetes/istio-rbac-beta.yaml
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</code></pre></li><li><p>If alpha version was installed:</p><pre><code class="language-bash">kubectl delete -f install/kubernetes/istio-rbac-alpha.yaml
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</code></pre></li></ul></li><li><p>If you installed Istio addons, uninstall them:</p><pre><code class="language-bash">kubectl delete -f install/kubernetes/addons/
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</code></pre></li><li><p>Delete Istio Kubernetes <a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-third-party-resource">TPRs</a>:</p><pre><code class="language-bash">kubectl delete istioconfigs --all
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kubectl delete thirdpartyresource istio-config.istio.io
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</code></pre></li></ol><h2 id="whats-next">What’s next</h2><ul><li><p>See the sample <a href="/v0.1/docs/samples/bookinfo.html">BookInfo</a> application.</p></li><li><p>See how to <a href="/v0.1/docs/tasks/istio-auth.html">test Istio Auth</a>.</p></li></ul></div></div></div></div></div></div><script src="/v0.1/js/sidemenu.js"></script><footer><div class="container"><div class="row"><div class="col-md-2"></div><div class="col-md-3 col-sm-4 col-xs-12 center-block"><ul class="toggle"><p class="header">Docs</p><li><a href="/v0.1/docs/">Welcome</a></li><li><a href="/v0.1/docs/concepts">Concepts</a></li><li><a href="/v0.1/docs/tasks">Tasks</a></li><li><a href="/v0.1/docs/samples">Samples</a></li><li><a href="/v0.1/docs/reference">Reference</a></li></ul></div><hr class="footer-sections" /><div class="col-md-3 col-sm-4 col-xs-12 center-block"><ul class="toggle"><p class="header">Resources</p><li><a href="/v0.1/faq">Frequently Asked Questions</a></li><li><a href="/v0.1/troubleshooting">Troubleshooting Guide</a></li><li><a href="/v0.1/bugs">Report a Bug</a></li><li><a href="https://github.com/istio/istio.github.io/issues/new?title=Issue with _docs/tasks/installing-istio.md">Report a Doc Issue</a></li><li><a href="https://github.com/istio/istio.github.io/edit/master/_docs/tasks/installing-istio.md">Edit This Page on GitHub</a></li></ul></div><hr class="footer-sections" /><div class="col-md-3 col-sm-4 col-xs-12 center-block"><ul class="toggle"><p class="header">Community</p><li><a href="https://groups.google.com/forum/#!forum/istio-users" target="_blank"><span class="group">User</span></a> | <a href="https://groups.google.com/forum/#!forum/istio-dev" target="_blank">Dev Mailing Lists</a></li><li><a href="https://twitter.com/IstioMesh" target="_blank"><span class="twitter">Twitter</span></a></li><li><a href="https://github.com/istio/istio" target="_blank"><span class="github">GitHub</span></a></li></ul></div><div class="col-md-1"></div></div><div class="row"><p class="description small text-center"> Copyright © 2017 Istio Authors<br> Istio 0.1<br> Archived on 20-Jul-2017</p></div></div></footer><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.15.0/jquery.validate.min.js"></script> <script src="/v0.1/js/jquery.form.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script> <script src="/v0.1/js/slick.min.js"></script> <script src="/v0.1/js/jquery.visible.min.js"></script> <script src="/v0.1/js/common.js" type="text/javascript" charset="utf-8"></script> <script src="/v0.1/js/buttons.js"></script> <script src="/v0.1/js/search.js"></script> <script src="/v0.1/js/prism.js"></script></body></html>
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