Virsh - is a management user interface for virsh guest domains
To list a KVM vm guest $ virsh list $ virsh list --all $ virsh list --inactive $ virsh list --uuid $ virsh list --name $ virsh list --state-running $ virsh list --state-paused $ virsh list --persistent $ virsh list --with-snapshot $ virsh list --autostart $ virsh list --help
To Check Node info $ virsh nodeinfo
To Check Domain Error $ virsh domblkerror <vm_name>
To check a domain information $ virsh dominfo <vm_name>
To Check Node CPU Stats $ virsh nodecpustats
To Check Node Memory Stats $ virsh nodememstats
To Check Node hostname $ virsh hostname
To start vm $ virsh start <vm_name>
To set a vm to start automatically on system startup $ virsh autostart <vm_name>
To disable autostart $ virsh autostart --disable <vm_name>
To shutdown a running vm $ virsh shutdown <vm_name>
To make forceful shutdown of vm $ virsh destroy <vm_name>
To restart a vm $ virsh reboot <vm_name>
To suspend a vm $ virsh suspend <vm_name>
To restore a suspended vm $ virsh resume <vm_name>
To save the current state of a vm $ virsh save vm_name vm_name.save
To restore saved vm from the file $ virsh restore vm_name.save
To create a 3GB volume named vol2 on the default storage pool $ virsh vol-create-as default vol2.qcow2 3G
To List volumes $ virsh vol-list --pool default $ virsh vol-list --pool images
To attach created volume $ virsh attach-disk --domain <vm_name> \ --source /var/lib/libvirt/images/vol2.qcow2 \ --persistent --target vdb
To detach volume $ virsh detach-disk --domain <vm_name> --persistent --live --target vdb
To List storage pools $ virsh pool-list
To delete volume $ sudo virsh vol-delete vol2.qcow2 --pool default
To create a snapshot $ virsh snapshot-create-as \ --domain <vm_name> \ --name "vm_snapshot1" \ --description "vm_name snapshot 1-working"
To list available snapshots $ virsh snapshot-list <vm_name>
To display info about a snapshot $ virsh snapshot-info --domain <vm_name> --snapshotname vm_snapshot1
To revert the snapshot $ virsh snapshot-revert --domain <vm_name> --snapshotname vm_snapshot1 --running
To delete snapshot $ virsh snapshot-delete --domain <vm_name> --snapshotname vm_snapshot1
To clone a vm $ virt-clone --connect qemu:///system \ --original vm_name \ --name vm_name_clone \ --file /var/lib/libvirt/images/vm_name_clone.qcow2
To manage VM vcpus $ virsh setvcpus --domain vm_name --maximum 2 --config $ virsh setvcpus --domain vm_name --count 2 --config
To manage VM memory $ virsh setmaxmem <vm_name> 2048 --config $ virsh setmem <vm_name> 2048 --config
regards, T.Dhanasekar