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--- kvm:kvm [2020/06/20 14:30] – [Commands] tmade
+++ kvm:kvm [2022/03/12 09:13] (current) – [Commands] tmade
@@ Line 4: / Line 4: @@
   apt-get install qemu-kvm virtinst virt-manager bridge-utils libosinfo-bin
+  apt install -y qemu qemu-kvm libvirt-daemon libvirt-clients bridge-utils virt-manager    #ubuntu 20.04
   sudo adduser $USER kvm
   #apt-get install qemu-kvm libvirt-bin virtinst bridge-utils cpu-checker
@@ Line 11: / Line 13: @@
   https://github.com/LuyaoHuang/virsh-bash-completion                               #bash completion
+====Network====
+Set your network devices on OS level such as (example with 2 network interfaces "enp4s0" and "eno1" which is bridge slave interface for bridge "vmbr0"):
+<code>
+# This file describes the network interfaces available on your system
+# For more information, see netplan(5).
+network:
+ version: 2
+ renderer: networkd
+ ethernets:
+   enp4s0:
+     dhcp4: no
+     dhcp6: no
+     addresses: [192.168.1.100/24]
+     gateway4: 192.168.1.1
+     mtu: 1500
+     nameservers:
+       addresses: [192.168.1.1]
+       search: [local]
+   eno1:
+     dhcp4: no
+     dhcp6: no
+ bridges:
+   vmbr0:
+     dhcp4: no
+     dhcp6: no
+     interfaces: [eno1]
+     addresses: [10.0.0.100/24]
+     gateway4: 10.0.0.1
+     mtu: 1500
+     #nameservers:
+     #  addresses: [8.8.8.8,8.8.4.4]
+     #parameters:
+     #  stp: true
+     #  forward-delay: 4
+</code>
 ====Commands====
@@ Line 16: / Line 56: @@
   virsh list --all                                                 #show all vm´s
   virsh undefine vm1
-  virsh destroy vm1                                                #forcefully stop a given domain, but leave its resources intact
+  virsh destroy vm1                                                #forcefully and immediately stop a given domain - the vm won´t be destoyed, just stopped.
   virsh start vm-name
   virsh autostart test                                             #
@@ Line 100: / Line 140: @@
 ====Pool====
-  virsh pool-list                                                  #show active storage pool
   virsh pool-list --all                                            #show also inactice pool
-  virsh pool-list --details                                        #show details
+  virsh pool-list                                                  #show active storage pool
+  virsh pool-list --details                                        #show details like disk usage
   virsh pool-info poolname                                         #detailed pool info
   virsh pool-autostart poolame
@@ Line 120: / Line 160: @@
   virsh vol-create-as default test_vol2.qcow2 2G
   virsh vol-clone --pool default vol1.qcow2 vol2.qcow2
-  qemu-img resize volume-name.qcow2 30G
+  qemu-img resize volume-name.qcow2 30G && virsh pool-refresh --pool poolname0 #vm has to be shutdown!
 Pool refesh an volume list: