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PORVM gem permissions error
 

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    <p>I started trying to set up a local rails installation for development. After I installed in using <code>apt-get</code>, however, I learned about RVM, so I removed the earlier one, and reinstalled from RVM. It looks like I have residual problems, though. Specifically, when I try to install rails I get...</p> <pre><code>$ gem install rails ERROR: While executing gem ... (Gem::FilePermissionError) You don't have write permissions into the /var/lib/gems/1.9.1 directory. </code></pre> <p>This already looks like a problem, because I don't want it to be in the /var/ directory, I want it to be in the user directory. So, I check the following...</p> <pre><code>$ gem env RubyGems Environment: - RUBYGEMS VERSION: 1.8.11 - RUBY VERSION: 1.9.3 (2011-10-30 patchlevel 0) [x86_64-linux] - INSTALLATION DIRECTORY: /var/lib/gems/1.9.1 - RUBY EXECUTABLE: /usr/bin/ruby1.9.1 - EXECUTABLE DIRECTORY: /usr/local/bin - RUBYGEMS PLATFORMS: - ruby - x86_64-linux - GEM PATHS: - /var/lib/gems/1.9.1 - /home/myusername/.gem/ruby/1.9.1 - GEM CONFIGURATION: - :update_sources =&gt; true - :verbose =&gt; true - :benchmark =&gt; false - :backtrace =&gt; false - :bulk_threshold =&gt; 1000 - REMOTE SOURCES: - http://rubygems.org/ </code></pre> <p>As well as sudo'd:</p> <pre><code>$ sudo gem env RubyGems Environment: - RUBYGEMS VERSION: 1.8.11 - RUBY VERSION: 1.9.3 (2011-10-30 patchlevel 0) [x86_64-linux] - INSTALLATION DIRECTORY: /var/lib/gems/1.9.1 - RUBY EXECUTABLE: /usr/bin/ruby1.9.1 - EXECUTABLE DIRECTORY: /usr/local/bin - RUBYGEMS PLATFORMS: - ruby - x86_64-linux - GEM PATHS: - /var/lib/gems/1.9.1 - /home/myusername/.gem/ruby/1.9.1 - GEM CONFIGURATION: - :update_sources =&gt; true - :verbose =&gt; true - :benchmark =&gt; false - :backtrace =&gt; false - :bulk_threshold =&gt; 1000 - REMOTE SOURCES: - http://rubygems.org/ </code></pre> <p>gems seem to live in /var/lib for some reason. Is this normal? How can I fix this so I can install the rails gem?</p> <p><strong>EDIT: UPDATE!</strong></p> <p>It appears to me that I have gems installed twice, once in /var/lib/gems/1.9.91 (bad) and once in /home/myusername/.gem/ruby/1.9.1 (good).</p> <p>I think what is happening here is that when I type "gem" the installation in /var/lib/gems/1.9.1 (bad) is taking priority over /home/myusername/.gem/ruby/1.9.1 (good). Can anyone confirm that? Also, would it be OK and fix things just to delete the bad directory, or would that cause problems?</p>
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    1. COSomeone will probably need an `ls -la /var/lib/gems/1.9.1` from the command line to figure out the current permissions on the directory. Also perhaps `whoami` to see the current user.
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    2. COPermissions are 755, but I think the issue is that I'd rather have this installed outside of var, right? var ought to be owned by root. Shouldn't this only be located in the home/username directory?
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