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While trying debugging on RubyMine-7.0.2 IDE in RHEL 6.2 environment , I am getting below error.

failed to install gems. following gems were not installed.
/home/john/RubyMine-7.0.2/rb/gems/ruby-debug-base-0.10.5.rc10.gem: Error installing ruby-debug-base-0.10.5.rc10.gem.
ERROR:Failed to build gem native extension./usr/bin/ruby exconf.rb Ruby version 1.9.2 is too new *** exconf.rb failed 
couldnot create makefile due to some reason. probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. you may need configuration options. provided onfiguration reason. probably lack of neessary libraries and/or headers. check the mkmf.log file for more details.

apart from this when I tried to install gems by executing below command , I got error like 

_-bash: aptitude command not found.
-bash:apt-get command not found.

Command to install rubygems.

aptitude install libgemplugin-ruby
apt-get install libgemplugin-ruby

I will appreciate if some one can help me on this.

yole
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user2083356
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1 Answers1

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You are trying to use the Ubuntu package utility (apt / aptitude) in a RHEL box. Just follow the right tutorial, such as this one, to install rubygems: 

yum install rubygems
dgilperez
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  • This was the first command which I tried earlier and then decided to execute above mentioned commands as it doesn't work on my machine. – user2083356 Feb 22 '15 at 08:03
  • *it doesn't work on my machine* -> is ``yum`` installed? is it giving you an error? which one? – dgilperez Feb 25 '15 at 13:22