title: mysql-server cant install on linux
body: <p>I removed the current mysql like that :</p>
  
  <pre><code>apt-get remove --purge mysql-server mysql-client mysql-common
  apt-get remove --purge mysql-client-core-5.5
  apt-get autoremove
  apt-get autoclean
  rm -rf /var/lib/mysql
  </code></pre>
  
  <p>And than when I want to reinstall I got some problems:</p>
  
  <pre><code>apt-get install mysql-server 
  </code></pre>
  
  <p>//the output is</p>
  
  <pre><code>The following packages have unmet dependencies:
   mysql-server : Depends: mysql-server-5.5 but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.**
  </code></pre>
  
  <p>and again </p>
  
  <pre><code>apt-get install mysql-server-5.5 
  </code></pre>
  
  <p>//the output is </p>
  
  <p>The following information may help to resolve the situation:</p>
  
  <pre><code>The following packages have unmet dependencies:
  mysql-server-5.5 : PreDepends: mysql-common (&gt;= 5.5.47-0+deb7u1) but it is not going to be installed
  Depends: mysql-client-5.5 (&gt;= 5.5.47-0+deb7u1) but it is not going to be installed
  Recommends: mailx
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>I have already installed many times <strong>mysql-common</strong> and <strong>mysql-clint-5.5</strong></p>
  
  <p>What might be  problem?</p>