Ruby 2.1 has many improvements including speedup without severe incompatibilities.

I faced this issue several times, and it appeared again yesterday. Here are the solution for this error. Invalid gemspec in [/opt/ruby/lib/ruby/gems/1.8/specifications/uniform_notifier-1.0.2.gemspec]: Illformed requirement ["# 3.0"] Invalid gemspec in [/opt/ruby/lib/ruby/gems/1.8/specifications/uniform_notifier-1.0.2.gemspec]: Illformed requirement ["# 3.0"]

As planned, Ruby 1.8.7 retired today, at the end of June, 2013. From now on, Ruby 1.8.7 is no longer supported in all senses (including features, bug fixes or security fixes) by the community. Technically speaking, it’s been a decade…

Rails has announced the availability of 3 news versions today,  3.2.13, 3.1.12, and 2.3.18, these releases contain important security fixes. It is recommended users upgrade as soon as possible.

I just created a script Nagcheck to read services status in Nagios. It reads all the nagios settings, parse them, then create a report based on what you ask for. With this script, you can do the following things: List…

RubyGems  is a package management framework for Ruby. You need to have an installation of RubyGems before applying the following changes to your system. To make sure whether you have installed RubyGems or not, run this command: joseph@admon:~$ gem -v…