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copied!<p>You do not include much about what you have already done to get Ruby installed correctly so I would refer to this Blog Post on <a href="http://ascarter.net/2011/01/02/rails-development-on-ubuntu-10.10.html" rel="nofollow">Installing Ruby on Ubuntu</a></p> <p>One thing to note when using Ubuntu as a Development platform it is wise to install a few dev tools and libraries that are covered in this Blog post.</p> <p>1/31/13 - If you have unmet Package dependencies and your installing from 3rd party sources and getting the Package dependency error. Go into your Software Sources and make sure that Restricted and Universe are unchecked. </p> <p>One possible cause of unmet dependencies could be corrupted package database, and/or some packages that did not install properly. </p> <p>To try and fix this problem open Terminal and run the following command</p> <pre><code>xyz@ubuntuhost$ sudo apt-get clean </code></pre> <p>apt-get clean Clears the Local repo of all files / Packages and leaves only the Lock File.</p> <p>IF that does not fix your issue then try these three commands in the order below.</p> <pre><code>xyz@ubuntuhost$ sudo apt-get -f install xyz@ubuntuhost$ sudo dpkg --configure -a xyz@ubuntuhost$ sudo apt-get -f install </code></pre> <p>Post the output of that last command. If it found and fixed something it will report something like </p> <pre><code>1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. </code></pre> <p>or </p> <pre><code>0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded </code></pre> <p>The -f stands for “fix broken”. Apt will attempt to correct broken dependencies. If you manually installed a package that had unmet dependencies, apt-get will install those dependencies, if possible, otherwise it may simply remove the package that you installed in order to resolve the problem.</p> <p>Give this a shot.</p>

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