13.10 cannot login to Ubuntu default desktop environment - must use GNOME Flashback or Cinnamon
75680
Does cinnamon 2.0 really break your 13.10 desktop?
94457
Ubuntu 13.04 Login Loop
88223
13.10 XRDP problem with gnome-fallback
2901
Terminal command 'login' fails with error message
80537
"exec: gnome-session: not found" when logging in using lightdm
32021
Can't login after suspend on Ubuntu 17.10
32057
How to return the login screen to the default
127905
Is GNOME Terminal a type of non-login shell?
2980
Can't start ubuntu-desktop after upgrade to 18.04
14960
What are the choices for the Ubuntu desktop GUI and how do I enable them?
84605
Ubuntu 19.04 and Gnome desktop icons
36354
Why am I not able to shutdown, log-off and restart after an upgrade to Ubuntu 13.10?
95157
How do I change login screen theme or background in Ubuntu 20.04?
81806
Unable to login as root from the login screen even though I have a root account
139134
How do I change the login screen in Ubuntu 16.04+?
88329
Canonical replacing Unity with gnome-shell in Ubuntu 18.04 what now?
59146
How can I get Gnome3 to remember my session?