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Technology Errors

ERROR: RDoc documentation generator not installed: no such file to load — rdoc/rdoc

ErrorsBy alexSeptember 9, 20102 Comments

I recently setup a new server with Ruby and Rubygems however I received an error when attempting to install my first gem which happened to be ruby-lsapi. Below I explain the error including an example of the error in the output of installing a gem as well as what was done to resolve the error.

Information Security

Check Linux Server For Rootkits, Check If CentOS Linux Server Is Compromised

SecurityBy alexSeptember 8, 2010Leave a comment

Yesterday I wrote an article about securing your /tmp and /var/tmp directories on a Linux server because I had found some files uploaded to the /tmp directory via the apache user. After locking down those directories I wanted to verify that there were no other issues on the server so I installed Rootkit Hunter and…

Details
Technology Insights

Install Ruby 1.8.6 On CentOS 5.X Using A Yum Repository

InsightsBy alexSeptember 7, 20102 Comments

The latest available Ruby version in the default CentOS repositories is currently Ruby version 1.8.5. Many packages in the default CentOS repos are notorious for lagging way behind what versions of the packages are currently available. Even though Ruby 1.8.7 and Ruby 1.9.X are available I simply needed to get Ruby 1.8.6 installed for a…

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Technology Insights

Disable PXE Intel Boot Agent GE Which Displays Client Mac Addr

InsightsBy alexSeptember 6, 2010Leave a comment

One thing that can be annoying on Dell servers is the long boot process though you can modify the BIOS and other items to make the boot process faster. One of this first things I always do is disable the PXE boot delay by making a modification to the BIOS and by modifying the settings…

Details
Technology Insights

Error: Missing Dependency: cvsps is needed by package git-cvs-1.7.2.2-1.el5.rf.i386

InsightsBy alexSeptember 5, 2010Leave a comment

During an attempt to update Git on a CentOS Linux server via the Yum Package manager this evening I ran into a dependency error. The newer Git package has a dependency of Git-CVS package which also has a dependency of CVSPS package.  So initially when I installed Git it didn’t require these packages so I…

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Technology Insights

Use Yum To List Available Packages In A Specific Repository On CentOS Linux

InsightsBy alexSeptember 4, 2010Leave a comment

The Yum, or Yellowdog Updater Modified, is a great package manager if you are familiar with how to use it. If you have a bunch of repositories activated it can be useful to know what packages are available via a specific repository. It is possible to install RPM packages via a specific repository which if…

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Technology Insights

Secure /tmp And /var/tmp Directories On CentOS Linux

InsightsBy alexSeptember 3, 20109 Comments

A couple days ago a CentOS Linux server that I took over administration on had some mysterious files show up in the /tmp and /var/tmp directories. The files were placed in /tmp and /var/tmp by the apache user meaning there is some form of security hole in Apache, PHP, or one of the virtual hosts…

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Technology Insights

Disable Geo Tagging on the HTC Evo

InsightsBy purehateSeptember 2, 20103 Comments

I recently learned that most common smart phones do something called geotagging. As people who regularly follow this site will know I have recently been doing a lot of work with a new HTC Evo so I was really interested in this. Geotagging, also called geocoding, is the process of assigning geographic location metadata to…

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Technology Errors

iTunes Could Not Sync Calendars To The iPhone Because The Sync Server Failed

ErrorsBy alexSeptember 1, 2010244 Comments

I typically charge my iPhone using a USB cable that attaches to my computer but recently I have been using the wall charger because my computer wasn’t always close. After using the wall charger for a week or so without ever actually syncing my iPhone to iTunes on my Windows 7 computer I attempted to…

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