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<h1 class="uk-heading-large uk-article-title" itemprop="name">Virtualisasi dengan KVM dan VirtManager di Debian SID GNU/Linux</h1>
<p class="uk-article-meta"><time datetime="2017-03-31" itemprop="datePublished">Fri 31 March 2017</time> in <a href="https://andyzs.net/category/gnulinux.html">GNU/Linux</a>, <br class="uk-visible-small"><i class="uk-icon-comment"></i> <a href="https://andyzs.net/install-kvm-virt-manager-debian-linux.html#disqus_thread" itemprop="discussionUrl"></a></p>
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<p class="uk-article-lead" itemprop="description">Instalasi qemu/kvm di debian linux, virtualisasi dengan linux kvm</p>
<section itemprop="articleBody"><p>KVM adalah singkatan dari <em>Kernel-based Virtual Machine</em>, merupakan salah satu arsitektur virtualisasi bersumber terbuka (<em>Open source</em>) yang ditanamkan kedalam linux kernel. KVM merupakan virtualisasi penuh yang memanfaatkan extensi virtualisasi pada prosesor X86. Untuk menjalankan module KVM pada distribusi linux kita cukup mengenable extensi virtualisasi dari <code>BIOS</code> dan meload kernel modulenya <code>kvm.ko</code> atau jika kita hanya ingin module spesifik dengan vendor hardware yang kita gunakan yang di <em>load</em> maka untuk intel <code>kvm-intel.ko</code> dan untuk AMD <code>kvm-amd.ko</code>.</p>
<p>Alasan saya sendiri lebih memilih qemu/kvm dibanding <code>virtualbox</code> atau <code>vmware</code> adalah selain open source, di virtualbox dan vmware belakangan saya semakin sering menemukan masalah ketika habis melakukan upgrade system. </p>
<h4>Instalasi</h4>
<p>Untuk menginstall KVM dan paket yang didukungnya di Debian SID maka kita lakukan dengan cara berikut:</p>
<div class="highlight"><pre><span></span>$ sudo aptitude install qemu-kvm libvirt-daemon-system libvirt-clients libvirt-dev
</pre></div>
<p>Secara <em>default</em> KVM hanya mengijinkan <code>root</code> atau <code>superuser</code> yang dapat menjalankan dan mengadministrasi <em>virtual machine</em>, untuk dapat menjalankan dan mengatur virtual machine pada kvm dengan user biasa maka tambahakan user yang kita gunakan <em>groups</em> <code>libvirt</code> dan <code>kvm</code>.</p>
<div class="highlight"><pre><span></span><span class="err">$</span> <span class="n">sudo</span> <span class="n">usesmod</span> <span class="o">-</span><span class="n">aG</span> <span class="n">kvm</span> <span class="n">user</span>
<span class="err">$</span> <span class="n">sudo</span> <span class="n">usermod</span> <span class="o">-</span><span class="n">aG</span> <span class="n">libvirt</span> <span class="n">user</span>
</pre></div>
<p>Untuk manajemen dan administrasi kvm memiliki beberapa opsi, untuk cli di terminal dengan menggunakan <code>virsh</code> atau <code>virtinst / virt install</code>, sedangkan untuk <em>graphical tools</em> kita bisa menggunakan <code>virt manager</code>.</p>
<p>Untuk menginstall virt manager ataupun gnome boxes di Debian SID kita cukup menginstallnya sama seperti package lainnya dengan dengan menggunakan <code>apt</code>.</p>
<div class="highlight"><pre><span></span><span class="err">$</span> <span class="n">sudo</span> <span class="n">apt</span> <span class="n">install</span> <span class="n">virt</span><span class="o">-</span><span class="n">manager</span>
</pre></div>
<p>Selain untuk manajemen <code>KVM</code> virt-manager juga dapat digunakan untuk manajemen kontainer seperti <code>LXC</code> atau <em>hypervisor</em> lain seperti <code>XEN</code>
Untuk membuat <em>VM</em> baru di <code>virt-manager</code> mudah, semua logo cukup jelas sebagai petunjuk.</p>
<p><a target="_blank" href="../images/virtmanager2.png"><img src="../images/virtmanager2.png" alt="virtmanager" style=";width:350px;height:358px;"></a> </br>
Gambar diatas menunjukan pembuatan <em>VM</em> baru, dengan beberapa opsi seperti lokasi install media atau impor dari yang sudah ada, arsitektur untuk memilih arsitektur CPU. </p>
<p>Lanjut ke langkah selanjutnya akan ada opsi pilihan sumber instalasi dan lokasi tempat <em>virtual disk</em>, default opsi akan mengarah ke <code>/var/lib/libvirt/images</code> yang dapat diubah dengan menambahkan pool baru. </p>
<p>Untuk opsi <em>virtul disk format</em> yang didukung sendiri virt-manager support qcow2(default), vmware disk <code>vmdk</code>, virtualbox <code>vdi</code>, raw image, <code>vpc</code>, qcow, cow, cloop, vhdx, dll.</p>
<p>Untuk networking secara default hanya ada opsi <code>NAT</code> dan <code>macvtap</code>. Jika ingin menggunakan <code>bridge</code> pada virt-manager maka kita bisa menginstall <code>bridge-utils</code>.</p>
<p>Untuk opsi BIOS virt-manager mendukung <code>legacy bios</code> dan <code>UEFI</code>.
<code>Virt-Manager</code> juga mtelah mendukung <em>live snapshoot</em>.</p>
<p><a target="_blank" href="../images/virtmanager3.png"><img src="../images/virtmanager3.png" alt="virtmanager menjalankan guest win server" style=";width:350px;height:358px;"></a> </br> </p>
<p>Selain opsi diatas <code>virt-manager</code> juga masih memiliki banyak opsi lain untuk optimalisasi untuk pengalaman virtualisasi yang lebih nyaman.</p>
<p>Sekian </p></section>
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