Proxmox trying to acquire lock… TASK ERROR: can’t lock file ‘/var/lock/qemu-server/lock-102.conf’ – got timeout

If Proxmox won’t start aVM with an error like this:

trying to acquire lock...
TASK ERROR: can't lock file '/var/lock/qemu-server/lock-102.conf' - got timeout
rm /var/lock/qemu-server/lock-102.conf

Solution two

qm unlock <ID>

Then try to restart the VM and it should be good.

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