Category Archives: Code Samples

All Code Samples go here.

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

Ubuntu Server in Place Network Upgrade From 8.10 to 9.04 View Comments

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 6, 2009 – 11:10 pm
Author:
By Dave

Easy Search and Replace in Multiple Files on Linux Command Line View Comments

I recently came across a typo that existed in a bunch of html files on my web server. I thought it should be easy enough to change, but since it was in a number of files, editing it by hand would be time consuming. Fortunately, there is an easy, one liner command to replace the [...]

Categories: CentOS,Other Code,Shell,System Administration,Ubuntu

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Published:
May 5, 2009 – 6:51 am
Author:
By Dave

Password Protected Folder Gives 404 Not Found in WordPress Installation Sub-folder. View Comments

Came across this little maddening issue again today after fixing it a few months back. I created a directory that is password protected using a .htaccess file. However, when trying to access this folder or anything under this directory, a File Not Found 404 error from WordPress is displayed before it even prompts you for [...]

Categories: Code Samples,Configurations,Other Code,Software,System Administration

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

Installing And Compiling Zabbix Client / Agent View Comments

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 [...]

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

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Published:
April 30, 2009 – 10:04 am
Author:
By Dave

Add IP to whitelist for Postini Mail Filtering View Comments

I could not find any way to see how you could add an IP address as a ‘white list’ for our Postini installation. Mails coming from our mailing list manager kept getting caught in the Postini spam interface (which is probably a whole other issue, which I will need to address later). To get Postini [...]

Categories: Configurations,Email

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