Description: virsh is a program which uses libvirt to manage KVM virtual machines (guests). I’m going to show a summary of its main functions (cheat sheet style):
Show guests’ information:
- Show a list of all the defined guests:
virsh list --all - Show a guest’s info:
virsh dominfo guest's_name
Start and stop guests:
- Start a guest:
virsh start guest's_name - Shutdown a guest (gently):
virsh shutdown guest's_name - Shutdown a guest (wild):
virsh destroy guest's_name - Suspend a guest:
virsh suspend guest's_name - Resume a suspended guest:
virsh resume guest's_name
Create and modify guests:
- Create a new guest
- Create a guest from its XML definition:
virsh create xml_file.xml - Dump a guest’s definition in XML:
virsh dumpxml guest's_name - Modify a guest’s definition:
virsh edit guest's_name - Remove a guest’s definition (it doesn’t remove the image file):
virsh undefine guest's_name
Backup and restore guests:
- Save a guest’s state on a file:
virsh save guest's_name guest's_state_file - Restore a guest from a state file:
virsh restore guest's_state_file
I’m going to explain guests live migration on another post to keep this cheat sheet simple.
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Comment by Tiperroni — 20/03/2010 @ 08:32