qm-guest: add page (#17511)

pages/linux/qm-guest.md

@@ -0,0 +1,20 @@
+# qm guest
+
+> Manage a VM guest agent.
+> More information: <https://pve.proxmox.com/pve-docs/qm.1.html>.
+
+- Print the status of a specific PID:
+
+`qm {{[g|guest]}} {{[exec-s|exec-status]}} {{vm_id}} {{pid}}`
+
+- Set a password for a specific user in a virtual machine interactively:
+
+`qm {{[g|guest]}} {{[p|passwd]}} {{vm_id}} {{username}}`
+
+- Execute a specific QEMU Guest Agent command:
+
+`qm {{[g|guest]}} {{[c|cmd]}} {{virtual_machine_id}} {{fsfreeze-freeze|fsfreeze-status|fsfreeze-thaw|fstrim|get-fsinfo|...}}`
+
+- Execute a specific command via a guest agent:
+
+`qm {{[g|guest]}} exec {{vm_id}} {{command}} {{argument1 argument2 ...}}`