Misc stuff

One-liner version
for id in $(qm list | awk ‘NR>1 {print $1}’); do qm shutdown $id; done; for id in $(pct list | awk ‘NR>1 {print $1}’); do pct shutdown $id; done

apt-get install qemu-guest-agent

lvchange -an pve/data_tmeta

lvchange -an pve/data_tdata

vgchange -ay

Link