Update 'README.md'

README.md

@@ -6,3 +6,18 @@
 - [Setup and official Information](https://www.proxmox.com/en/proxmox-ve/get-started)
 - [System Administration](https://pve.proxmox.com/pve-docs/chapter-sysadmin.html)
  
+## Workstation UI
+
+- Testing with Gnome
+- Power idle problems
+
+```
+#disable
+
+systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target
+
+#enable
+
+systemctl unmask sleep.target suspend.target hibernate.target hybrid-sleep.target
+
+```