virsh a libvirt client

2024.02.22

1 min to read

kvm cheat sheet

https://blog.programster.org/kvm-cheatsheet

create and manage kvm

https://www.ostechnix.com/setup-headless-virtualization-server-using-kvm-ubuntu/ https://linuxconfig.org/how-to-create-and-manage-kvm-virtual-machines-from-cli

command

sudo virsh net-start default

virt-install --name=localdocker \
--vcpus=1 \
--cpu host \
--hvm \
--memory=1024 \
--cdrom=/home/vitrubio/Documents/tech/debian-installer/debian-10.0.0-amd64-netinst.iso \
--disk path=/home/vitrubio/Documents/virtualmachines/localdocker.qcow2,size=8 \
--os-variant=debiantesting \
--graphics vnc

remove kvm frmo virsh

https://www.cyberciti.biz/faq/howto-linux-delete-a-running-vm-guest-on-kvm/

virsh list --all

to know how it is build

virsh dumpxml VM_NAME

to know where it is placed the source file

virsh dumpxml --domain VM_NAME | grep 'source file'

<source file='/path/to/the/VM_NAME.qcow2' />

Shut down the VM

virsh destroy VM_NAME

Delete tehe virtual manchine

virsh undefine VM_NAMiE
rm -rf /paht/to/the/VM_NAME.qcow2

define new vm

locate the xml file

sudo find / |grep VM_NAME | grep xml

the file has the rout to the VM_NAME.qcow2 and we can change it to a new place <source file='/path/to/the/VM_NAME.qcow2' /> using

virsh edit VM_NAME

then we can define the new machie

virsh define /path/to/the/VM_NAME.xml