title: Fails installing MySql on CentOS 7
body: <p>Why does it have something to do with mariadb? I had a fresh installation of CentOS 7 and wanted to install MySql community version. It seems to say I have to first install Mariadb server?</p>
  
  <pre><code># yum install mysql-community-server
  Loaded plugins: fastestmirror, langpacks
  Loading mirror speeds from cached hostfile
   * base: linux.mirrors.es.net
   * extras: linux.mirrors.es.net
   * updates: linux.mirrors.es.net
  Resolving Dependencies
  --&gt; Running transaction check
  ---&gt; Package mariadb-server.x86_64 1:5.5.35-3.el7 will be obsoleted
  --&gt; Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
  ---&gt; Package mysql-community-server.x86_64 0:5.6.25-2.el7 will be obsoleting
  --&gt; Processing Dependency: mysql-community-common(x86-64) = 5.6.25-2.el7 for package: mysql-community-server-5.6.25-2.el7.x86_64
  --&gt; Processing Dependency: mysql-community-client(x86-64) = 5.6.25-2.el7 for package: mysql-community-server-5.6.25-2.el7.x86_64
  --&gt; Running transaction check
  ---&gt; Package mariadb.x86_64 1:5.5.35-3.el7 will be obsoleted
  ---&gt; Package mariadb-server.x86_64 1:5.5.35-3.el7 will be updated
  ---&gt; Package mariadb-server.x86_64 1:5.5.41-2.el7_0 will be an update
  --&gt; Processing Dependency: mariadb-libs(x86-64) = 1:5.5.41-2.el7_0 for package: 1:mariadb-server-5.5.41-2.el7_0.x86_64
  --&gt; Processing Dependency: mariadb(x86-64) = 1:5.5.41-2.el7_0 for package: 1:mariadb-server-5.5.41-2.el7_0.x86_64
  ---&gt; Package mysql-community-client.x86_64 0:5.6.25-2.el7 will be obsoleting
  ---&gt; Package mysql-community-common.x86_64 0:5.6.25-2.el7 will be installed
  --&gt; Running transaction check
  ---&gt; Package mariadb.x86_64 1:5.5.35-3.el7 will be updated
  ---&gt; Package mariadb.x86_64 1:5.5.41-2.el7_0 will be an update
  ---&gt; Package mariadb-libs.x86_64 1:5.5.35-3.el7 will be obsoleted
  ---&gt; Package mariadb-libs.x86_64 1:5.5.35-3.el7 will be updated
  ---&gt; Package mariadb-libs.x86_64 1:5.5.41-2.el7_0 will be an update
  ---&gt; Package mysql-community-libs.x86_64 0:5.6.25-2.el7 will be obsoleting
  Removing mariadb-server.x86_64 1:5.5.41-2.el7_0 - u due to obsoletes from mysql-community-server.x86_64 0:5.6.25-2.el7 - u
  Removing mariadb.x86_64 1:5.5.41-2.el7_0 - u due to obsoletes from mysql-community-client.x86_64 0:5.6.25-2.el7 - u
  Removing mariadb-libs.x86_64 1:5.5.41-2.el7_0 - u due to obsoletes from mysql-community-libs.x86_64 0:5.6.25-2.el7 - u
  --&gt; Restarting Dependency Resolution with new changes.
  --&gt; Running transaction check
  ---&gt; Package mariadb.x86_64 1:5.5.41-2.el7_0 will be an update
  ---&gt; Package mariadb-libs.x86_64 1:5.5.41-2.el7_0 will be an update
  ---&gt; Package mariadb-server.x86_64 1:5.5.41-2.el7_0 will be an update
  --&gt; Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
  --&gt; Finished Dependency Resolution
  Error: Package: akonadi-mysql-1.9.2-4.el7.x86_64 (@anaconda)
             Requires: mariadb-server
             Removing: 1:mariadb-server-5.5.35-3.el7.x86_64 (@anaconda)
                 mariadb-server = 1:5.5.35-3.el7
             Obsoleted By: mysql-community-server-5.6.25-2.el7.x86_64 (mysql56-community)
                 Not found
             Updated By: 1:mariadb-server-5.5.41-2.el7_0.x86_64 (base)
                 mariadb-server = 1:5.5.41-2.el7_0
  </code></pre>