How to clean up mysql installation on centos

Solution 1:

1. Execute the following command :

   # rpm -qa | grep mysql
   

   It will list all installed mysql packages on your system. Eg: mysql-libs-5.1.73-3.el6_5.x86_64

2. now execute the command:

   # yum remove <name displayed in above step-1>
   

   Eg: yum remove mysql-libs-5.1.73-3.el6_5.x86_64

Solution 2:

yum remove mysql55-libs and try again.

Besides, I saw you used a lot of repos: atomic, dag, epel, rpmforge, livna, ..., it may be the cause of conflicting. In my opinion, atomic and (rpmforge or epel) are enough.

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Solution 3:

Try this:

    yum clean all
    yum install mysql

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Solution 4:

you may have somehow installed mariadb when you thought it was installing mysql.

[root@localhost data_decrypt]# rpm -qa | grep maria
mariadb-server-5.5.52-1.el7.x86_64
mariadb-libs-5.5.52-1.el7.x86_64
mariadb-devel-5.5.52-1.el7.x86_64
mariadb-5.5.52-1.el7.x86_64