https://www.hascode.com/tags/cidr/ Recent content in Cidr on Micha Kops' Tech Notes Hugo en Copyright © 2010 - 2025 Micha Kops. #e9d956c0c0154a221ad83c925346a8fa0e72f866 Fri, 14 May 2021 00:00:00 +0200 https://www.hascode.com/setting-up-a-kubernetes-master-node/ Fri, 14 May 2021 00:00:00 +0200 https://www.hascode.com/setting-up-a-kubernetes-master-node/ <div id="preamble"> <div class="sectionbody"> <div class="sidebarblock"> <div class="content"> <div class="title">Goals</div> <div class="olist arabic"> <ol class="arabic"> <li> <p>Setup a kubernetes master node on a Linux machine</p> </li> </ol> </div> </div> </div> </div> </div> <div class="sect1"> <h2 id="_setup">Setup</h2> <div class="sectionbody"> <div class="paragraph"> <p>Initialize the cluster on the master node</p> </div> <div class="listingblock"> <div class="content"> <pre class="highlight"><code class="language-bash" data-lang="bash">sudo kubeadm init --pod-network-cidr=10.244.0.0/16</code></pre> </div> </div> <div class="paragraph"> <p>This might take a few minutes …​ afterward we set up our local kubeconfig:</p> </div> <div class="listingblock"> <div class="content"> <pre class="highlight"><code class="language-bash" data-lang="bash">mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config</code></pre> </div> </div> </div> </div> <div class="sect1"> <h2 id="_verify_the_cluster_setup">Verify the Cluster Setup</h2> <div class="sectionbody"> <div class="paragraph"> <p>Shows that the cluster is responding and kubectl working:</p> </div> <div class="listingblock"> <div class="content"> <pre class="highlight"><code class="language-bash" data-lang="bash">kubectl version</code></pre> </div> </div> </div> </div>