To take a complete snapshot of the VM called ece7, do:
$ virsh shutdown ece7
$ virsh snapshot-create-as --domain ece7 --name ece7-full-stack-working
To restore it, do:
$ virsh shutdown ece7
$ virsh snapshot-revert --domain ece7
$ virsh start ece7
To list all snapshots available for your VM, do:
$ virsh snapshot-list --domain ece7
Name Creation Time State
----------------------------------------------------------------
ece7-full-stack-working 2023-06-30 13:44:48 +0200 shutoff