1. Change-Defalt-Ubuntu-Login-From-GUI-To-Terminal
2. Disable-UserList-on-Ubuntu-Desktop
3. Disable AutoDetection of Partition on Ubuntu-Desktop
4. Reinstall LightDM
5. Swith-LightDM-to-GDM
6. Connect to WiFi on Ubuntu-Server
7. Reinstall-or-Repair-GRUB
8. Local-Repositories-Ubuntu
9. Set As a Gatway/Router with Single NIC
10. XDMCP-RDP-Ubuntu
11. xRDP-Ubuntu
12. SystemBack-BackUP/Restore-Ubuntu
13. GRUB2-Password-for-Ubuntu
14. Set-HD-DisplayResolution-on-HD-Monitor
15. Brightness--Controll-On-Ubuntu
16. Connect to a WiFi During Startup
17. LightDM-Tweaks
20. Create-Special-User-on-Ubuntu
---.Ubuntu-TiPs.--- ---.Ubuntu-TheminG.---
---.Thigs-ToDo-After-Ubuntu-Installation.---