So, you know that the graphical manager that Unity was the culprit (the
equivalent of kdm or gdm). So if you do a dpkg-reconfigure on THAT
package - which looks like "lightdm".
So "sudo dpkg-reconfigure lightdm" should solve the original problem and
allow you to pick lightdm over gdm. Then if everything works right, you
can uninstall gnome3. If not, then dpkg-reconfigure gdm to restore
yourself to gnome3 and deal with the drive space issues later.
At least this sounds like a plan from this end. The important thing is
that you are running again. :)
Shawn
On 12-10-11 08:37 PM, Richard Carter wrote:
Shawn,
Thanks for your help. When I tried the solutions you suggested I got
messages saying that gdm was not found. Indeed when is looked in
/etc/init.d/ I couldn't find gdm or kde.
So after stumbling around for some time I installed gnome3 following the
suggestion in
http://www.filiwiese.com/installing-gnome-on-ubuntu-12-04-precise-pangolin/.
Success!
Every thing seems to work now except I get a "Low Disk Space" warning
saying that "Filessystem root" has only 404.6MM disk space remaining"
and suggesting I get rid of unused programs and move files to another
disk, i.e. my 500GB HD. I'll work on that later.
Thanks again for your help.
Robin
On Thu, Oct 11, 2012 at 3:00 PM, Shawn <[email protected]
<mailto:[email protected]>> wrote:
You are getting past the boot sequence and then encountering
problems with the desktop environment. I've seen this sort of thing
before. Most recently I just updated to the latest version (12.04)
on a separate hard drive. In the past, I would delete the xorg.conf
file (rename it really) and let the system recreate it.
At the very least, you should be able to do CTRL-ALT-F1 (twice) to
get to a command prompt. There you can do everything you need. You
might try to simply restart the graphical environment:
sudo /etc/init.d/gdm restart
(if you are using KDE and the KDE login window, then replace "gdm"
with "kdm")
I haven't had to mess with the X-Server config for quite some time,
so I'm not sure what Ubuntu is doing there these days. But, in the
past I would do
sudo dpkg-reconfig gdm
(or "kdm" for the KDE users) This would often fix the graphical
environment.
Hope that helps.
Shawn
On 12-10-11 02:38 PM, Richard Carter wrote:
Thanks for the tip. I checked the apt history but nothing
seemed amiss.
But I didn't really know what to look for.
Robin
On Thu, Oct 11, 2012 at 1:51 PM, Dafydd Crosby
<[email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>> wrote:
Hmm, you might want to check your apt history to see if
something
got updated in the background that is causing the problem.
-Dafydd
On 10/11/2012 12:06 PM, Richard Carter wrote:
This morning for the first time ubuntu 12.04 LTS
wouldn't start.
Here are the details.
My desktop PC has 2 drives: a 500GB HD and a 256GB SSD.
Ubuntu
12.04 is installed on the SSD and Debian 6.0 is
installed on
the HD. Up until now both worked well: Debian still
works well.
When I boot to Ubuntu the system gets to the point
where the
wallpaper to be used for the desktop is displayed
together with
a small window asking for user name and password. When
I enter
the password I get the message ' Failed to load session
"cairo-dock" ' and a log out button is displayed. I
get the
same response when I try the other log in options
available in
the small window.
I then started in recovery mode and tried: fsck, clean,
dpkg(fix
broken packages) and grub(update boot loader). None of
these
had any effect.
I would be grateful for advice.
Robin
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