finish install virt-manager

content/post/install-virt-manager-in-debian.md

@@ -41,3 +41,42 @@ sequenceDiagrams:
 ---
 
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+
+`virt-manager` or *Virtual Machine Manager* is a frontend for managing virtual machines through *libvirt*. It primarily targets KVM virtual machines but is also capable of managing Xen and LXC. In this post we will focus on KVM.
+
+*All commands in this post are supposed to be run as root.*
+
+## Installing necessary tools
+We will install libvirt, QEMU and a spice client.
+
+```bash
+apt-get --no-install-recommends install qemu-utils qemu-kvm virt-manager libvirt-clients libvirt-daemon-system virtinst bridge-utils gir1.2-spiceclientglib-2.0 gir1.2-spiceclientgtk-3.0 virt-viewer libosinfo-bin
+```
+
+## Setting up libvirt
+### Set up networking
+libvirt ships with a default network profile. Here we enable it have it start automatically. This will allow the virtual machines to connect to the internet.
+
+```bash
+virsh net-start default
+virsh net-autostart default
+```
+
+### Add yourself to necessary groups
+Here you will add yourself to the necessary groups to avoid running as root every time you want to run a virtual machine. Replace `<user>` with normal user.
+
+```bash
+adduser <user> libvirt
+adduser <user> libvirt-qemu
+adduser <user> kvm
+```
+
+### Enable and start libvirt
+Apt automatically enables and starts `libvirtd.service`. We do it again anyways.
+
+```bash
+systemctl enable libvirtd.service
+systemctl restart libvirtd.service
+```
+
+Now you should be able to install and manage virtual machines through virt-manager.