Category Archives: Ubuntu

Published:
April 14, 2009 – 10:56 am
Author:
By Dave

How To Turn Off Your Monitor Via Command Line in Ubuntu 4

As previously written on this blog, I have set up a display in our lobby at work to display the day’s current events and meetings using Ubuntu and a tiny PC. Since this is a display which is on all day, the screensaver and monitor blanking (and other Energy Star features) are all turned off.
Under [...]

Categories: Code Samples, Hardware, Linux, Shell, Software, System Administration, Ubuntu

Tagged: , , , , , ,

Published:
March 17, 2009 – 3:58 pm
Author:
By Dave

Apt-get Update GPG Key Errors and Fix 5

Running sudo apt-get upgrade, I started getting this error:
Reading package lists… Done
W: GPG error: http://ppa.launchpad.net intrepid Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 313D312748A22A95
W: You may want to run apt-get update to correct these problems
Ah ha! But apt-get update is the command causing this problem.
The solution is [...]

Categories: Configurations, Shell, System Administration, Ubuntu

Tagged: , ,

Published:
December 7, 2008 – 2:10 am
Author:
By Dave

HOWTO: Installing ZFS and setting up a Raid-Z array on Ubuntu 8

Readers should note that this applies to Ubuntu 8.10 Intrepid Ibex only!
ZFS is a relatively new filesystem created by Sun. It is released under the CDDL License which is incompatible with Linux’s GPL License, meaning that it can not be installed natively in the kernel. Therefore, for not it is relegated to addon packages and [...]

Categories: Configurations, Linux, Shell, System Administration, Ubuntu

Tagged: , , ,

Published:
November 13, 2008 – 12:39 pm
Author:
By Dave

Using Ubuntu as a 24/7 Lobby Display Driver 2

I recently took upon the task of setting up a presentation display in the lobby of our building. This display had previously used an old computer running Windows 2000, and displayed a fairly simple PowerPoint presentation with a few frames, mostly a schedule for anyone coming into the building.
We did a renovation and this display [...]

Categories: Configurations, Shell, System Administration, Tech, Ubuntu

Tagged: , , , ,