Difference between revisions of "Linux Tidbits"

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gdm didn't work properly when I upgraded to Ubuntu 9.10 (Karmic Koala).  The logon console like to flash and made typing impossible.  Tracked it down to gdm continually restarting (/var/run/gdm.pid was changing all the time), causing some errors.  Solution for my headless, logonless machine?
 
gdm didn't work properly when I upgraded to Ubuntu 9.10 (Karmic Koala).  The logon console like to flash and made typing impossible.  Tracked it down to gdm continually restarting (/var/run/gdm.pid was changing all the time), causing some errors.  Solution for my headless, logonless machine?
 
Nuke gdm:
 
Nuke gdm:
<code>sudo service stop gdm</code>
+
<code>sudo service gdm stop</code>
 
note that I had to do this twice -- the first time I happened to hit a moment when gdm was between restart cycles and got an error.
 
note that I had to do this twice -- the first time I happened to hit a moment when gdm was between restart cycles and got an error.
  
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<code>sudo update-rc.d gdm remove</code>
 
<code>sudo update-rc.d gdm remove</code>
  
I think things are better now.
+
This did not work.
 +
 
 +
So I tried:  <code>sudo update-rc.d x11-common remove</code>
 +
 
 +
... testing ...
  
 
Also, for some reason /etc/rc0.d/K25hwclock.sh links to nowhere (was ../init.d/hwclock.sh, which is gone).
 
Also, for some reason /etc/rc0.d/K25hwclock.sh links to nowhere (was ../init.d/hwclock.sh, which is gone).

Revision as of 23:44, 11 November 2009

rsync with ssh generation

ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub someothercomputer
rsync -ave ssh /localfiles/ remotebox:/localfiles

(note: add --delete to rsync for a proper mirror, or leave off for full backup)

Ubuntu Upgrade Issues

I had trouble getting from 8.04 to 8.10... I was getting an error

Package udev has broken dep on lvm2
  Considering lvm2 0 as a solution to udev 74
  Upgrading lvm2 due to Breaks field in udev
Investigating lvm2
Package lvm2 has broken dep on lvm-common
  Considering lvm-common 1 as a solution to lvm2 0
  Holding Back lvm2 rather than change lvm-common

The key was to upgrade lvm2 manually (something like apt-get install lvm2) which do-release-upgrade wasn't willing to do itself) then run do-release-upgrade again.

9.10 Console (tty) Issues (from gdm)

gdm didn't work properly when I upgraded to Ubuntu 9.10 (Karmic Koala). The logon console like to flash and made typing impossible. Tracked it down to gdm continually restarting (/var/run/gdm.pid was changing all the time), causing some errors. Solution for my headless, logonless machine? Nuke gdm: sudo service gdm stop note that I had to do this twice -- the first time I happened to hit a moment when gdm was between restart cycles and got an error.

Also, just for kicks, I removed it from the startup directories: sudo update-rc.d gdm remove

This did not work.

So I tried: sudo update-rc.d x11-common remove

... testing ...

Also, for some reason /etc/rc0.d/K25hwclock.sh links to nowhere (was ../init.d/hwclock.sh, which is gone).