I am running kubuntu 14.04.
Recently as part of a python development project changed the DM to xdm. Since then I have not been able to get the system to let me back past the login page.
To be precise, if I enter my password it just blacks the screen then presents me with the Login page again.
I can raise a command line and have tried running dpkg-reconfigure lightdm, which seems to have worked, but to no avail.
I have also run apt-get autoremove, apt-get clean etc in order to try and clean the system of any broken packages, redundancies etc. that might be causing problems.
I tried:
sudo dpkg-reconfigure lightdm
sudo dpkg-reconfigure -a
and restarted...same thing
If I try to start the system and then ESC during startup the system seems to be looping over the same block of instructions.
I have looked at comments for earlier versions of k/Ubuntu but can't find anything that sorts this. Hence the new question.
Suggestions, please? ls -al $HOME/{.ICE,.X}authority
gives
-rw------- 1 peter peter 29018 SEp 26 12:18 /home/peter/.ICEauthority
-rw-rw-r-- 1 peter root 155 Sep 26 12:18 /home/peter/.Xauthority
(After the changes described below)