Category Archives: Linux

Linux System Administration

Published:
May 21, 2009 – 7:22 pm
Author:
By Dave

Ubuntu Server in Place Network Upgrade From 8.10 to 9.04 1

It is easy to do an in-place upgrade of Ubuntu Server from 8.10 ‘Intrepid Ibex‘ to 9.04 ‘Jaunty Jackalope‘. You can do this remotely over ssh or whatever you use to control your server. Best practices say to make sure to backup your server before doing the upgrade. I’ve done several servers this way with [...]

Categories: Linux, Shell, System Administration, Ubuntu

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Published:
May 3, 2009 – 11:12 pm
Author:
By Dave

Installing And Compiling Zabbix Client / Agent 1

Zabbix is an excellent system monitoring package. It does everything from basic availability checking to detailed system resource analysis. It is capable of graphing the variables pulled from the system, and alerting admins if there is a problem or something needed for attention.
Once you have the Zabbix server set up, you need to install the [...]

Categories: CentOS, Code Samples, Configurations, Linux, Programs, System Administration

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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

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Published:
February 6, 2009 – 10:39 am
Author:
By Dave

Convert Windows or DOS Encoded Files to Unix/Linux. (ANSI to UTF-8) 0

Windows files and Unix files (Redhat, Ubuntu, etc) are encoded in different ways. Namely, the end of line that is a part of most files created in Windows is not compatible with Unix. You can usually see this because there is a ‘weird character’ at the end of each line. ‘cat’ does not show it, [...]

Categories: Linux, Shell, System Administration, Windows

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Published:
December 29, 2008 – 3:58 pm
Author:
By Dave

Installing VirtualBox on a PAE Kernel System 5

I recently got stuck while trying to install Headless Virtualbox on a Centos 5.2 server per the directions at Howtoforge here. The RPM failed with the error that it couldn’t find the kernel source. I thought I had already installed kernel-devel, and confirmed that I did. The instructions were to define the KERN_DIR variable like [...]

Categories: Configurations, Linux, Programs, Shell, Software, System Administration

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