I recently updated a few machines to 11.10. On one of them, the promt to chose between gdm and lightdm. I tried selecting light dm, but the upgrade tool inevitably returned to the same prompt. I then chose gdm and the upgrade completed.
But now when I tried to boot, the computer presents no login screen. I'm thinking that it's because GDM was uninstalled in the upgrade process.
How can I install lightdm or gdm without logging in traditionally?
PS: apt-get does not seem to work in recovery mode.
apt-get
do not work probably because of network problems. Try to login on a terminal, then runstartx
, or try to fix your network problems: it can be easy if you have a network cable and a DHCP server runningdhclient eth0
.