Execute a specific command via a guest agent. More information: https://pve.proxmox.com/pve-docs/qm.1.html.
qm guest exec {{vm_id}} {{command}} {{argument1 argument2 ...}}
qm guest exec {{vm_id}} {{argument1 argument2 ...}} --synchronous 0
qm guest exec {{vm_id}} {{argument1 argument2...}} --timeout {{10}}
stdin until EOF to the guest agent:qm guest exec {{vm_id}} {{argument1 argument2 ...}} --pass-stdin 1