https://samarthya.me/tags/new/Recent content in New on SamarthyaHugo -- gohugo.ioen© Samarthya 2018-2026. All rights reserved.Thu, 06 Jan 2022 06:58:31 +0000https://samarthya.me/posts/adding-node-to-a-cluster/Thu, 06 Jan 2022 06:58:31 +0000https://samarthya.me/posts/adding-node-to-a-cluster/<p>In this blog, I will try add a new node to the already running cluster.</p> <h2 class="relative group">My Cluster <div id="my-cluster" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#my-cluster" aria-label="Anchor">#</a> </span> </h2> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl">root@master&gt;k get nodes </span></span><span class="line"><span class="cl">NAME STATUS ROLES AGE VERSION </span></span><span class="line"><span class="cl">mydevmachine001830.samarthya.me Ready &lt;none&gt; 22h v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine002687.samarthya.me Ready &lt;none&gt; 41d v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003277.samarthya.me Ready &lt;none&gt; 131d v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003278.samarthya.me Ready &lt;none&gt; 131d v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003417.samarthya.me Ready &lt;none&gt; 4m55s v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003968.samarthya.me Ready &lt;none&gt; 131d v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003969.samarthya.me Ready control-plane,master 131d v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003970.samarthya.me Ready &lt;none&gt; 131d v1.23.1 </span></span><span class="line"><span class="cl">mydevmachine003979.samarthya.me Ready &lt;none&gt; 29m v1.23.1</span></span></code></pre></div></div> <h2 class="relative group">Steps to follow <div id="steps-to-follow" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#steps-to-follow" aria-label="Anchor">#</a> </span> </h2> <ul> <li>Install <code>docker</code></li> <li>Install <code>kubeadm</code>, <code>kubectl</code> &amp; <code>kubelet</code></li> <li>Join the cluster using the token</li> <li>Check the node has joined the cluster</li> </ul> <h3 class="relative group">Step 1: Install docker <div id="step-1-install-docker" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#step-1-install-docker" aria-label="Anchor">#</a> </span> </h3> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">sudo yum install -y yum-utils </span></span><span class="line"><span class="cl">sudo yum-config-manager \ </span></span><span class="line"><span class="cl"> --add-repo \ </span></span><span class="line"><span class="cl"> https://download.docker.com/linux/centos/docker-ce.repo</span></span></code></pre></div></div> <p>When adding repo make sure the repo has been added successfully to the machine</p>