Fix: cannot open display: :0.0
Off late I noticed X applications on my Gentoo installation failing to launch in gnome sessions unless launched within first few seconds. It didn’t seem easily reproducible so it took me a few xdm and os restarts to nail the actual problem.
Problem:
NetworkManager changes the hostname after connecting to wireless network. However, it doesn’t update xauth [...]
Fix: ‘xdm’ launch making laptop fans roar
Problem:
Recently Gentoo x86 profile 10.0 pushed x11-drivers/nvidia-drivers version 185.18.36, which made ‘xdm’ launch on my laptop(Dell D630 Latitude) really noisy. First few minutes of X session on my box started to push fan to the limit making it unbearable.
Fix:
Some digging up on the web revealed it is a known Dell bios bug, and has been [...]