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94 lines
4.2 KiB
HTML
94 lines
4.2 KiB
HTML
<!DOCTYPE html>
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<meta name="description" content="">
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<meta name="keywords" content="Blog, articles, template, guide, KVM, QEMU, virtualisation">
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<meta name="author" content="Nathan (Aney) Steel">
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<title>Setup QEMU/KVM virtualisation</title>
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<body>
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<header>
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<a href="#main" class="vh">Jump directly to main content</a>
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<h1>Setup QEMU/KVM virtualisation</h1>
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<label class="burger-container" for="burger-toggle"><div class="burger"></div><span class="sr">Burger menu</span></label>
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<p class="intro">Virtualisation is the act of creating a virtualised computer (guest), inside another computer (the host) by sharing the hardware. This allows a single host the ability to run all your services, whilst keeping a level of <a href="/guides/vm-seperation-of-concerns">SoC</a>.</p>
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<h2>Enable in the BIOS</h2>
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<p>To run virtual machines, certain flags in the bios need to be set. If you don't want to bring down an existing server to check, then check the next section first.</p>
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<ul>
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<li>Reboot your PC</li>
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<li>At the BIOS splashscreen, press your motherboard's prefered key (typically <kbd>ESC</kbd>, <kbd>F3</kbd>, or <kbd>F12</kbd>).</li>
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<li>Find and enable the virtualisation setting(s).
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<ul>
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<li>One of VT-x, AMD-V, SVM, or Vanderpool.</li>
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<li>One of Intel VT-d, or AMD IOMMU (if available)</li>
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</ul>
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</li>
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</ul>
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<h2>Check Virtualisation is enabled</h2>
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<p>Double check to make sure your server can be used for virtualisation, if you've enabled it in the BIOS it should be good. Just run one of the following command</p>
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<pre><code>lscpu | grep 'Virtualization'</code></pre>
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<pre><code>grep -E --color '(vmx|svm)' /proc/cpuinfo</code></pre>
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<h2>Install the packages</h2>
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<p>The easiest part, just copy and paste the below to install the required packages.</p>
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<pre><code>sudo apt install qemu-kvm libvirt-clients libvirt-daemon libvirt-daemon-system virtinst</code></pre>
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<h2>Sessions</h2>
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<p>There are two different session types for VMs, user, and system sessions. If you are using a desktop, and intend to virtualise other desktop OSs I recommend user sessions. If you're setting up a server hypervisor, then use System sessions.</p>
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<h3>User Session</h3>
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<p>A user session VM is what I recommend for personal PCs, laptops, etc. as it's the best option for desktop virtualisation (e.g. a Kali install for l33t hackers).</p>
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<h4>Add user to group</h4>
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<pre><code>sudo adduser $USER libvirt</code></pre>
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<h4>Enable default network</h4>
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<p>Check the name of your default network (typically just 'default').</p>
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<pre><code>sudo virsh net-list --all</code></pre>
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<p>Enable the network.</p>
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<pre><code>sudo virsh net-start default</code></pre>
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<p>(Optionally) Set it to turn on with system boot.</p>
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<pre><code>sudo virsh net-autostart default</code></pre>
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<h3>System Session</h3>
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<p>For now all that's needed to know is that you run sudo before any virsh commands, and that the VMs will launch with root permissions.</p>
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<h2>Extra</h2>
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<p><a href="/guides/setup-kvm-bridge.html">Setup bridge adapter for KVM</a></p>
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<p><a href="/guides/kvm-optimisation.html">Optimisations for KVM Virtual Machines</a></p>
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</section>
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<p>Written by <a href="https://aney.co.uk" target="_blank" rel="noopener">@aney</a> with <a href="https://danluu.com/web-bloat/" target="_blank" rel="noopener">web bloat</a> in mind | <a href="https://github.com/Aney/website" target="_blank" rel="noopener">Source Code</a></p>
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