卸载mysql后重新安装mysql出现问题

问题描述：安装时出现下面的情况

[root@bogonmyfile]# rpm -ivh MySQL-server-5.6.27-1.linux_glibc2.5.i386.rpm

warning:MySQL-server-5.6.27-1.linux_glibc2.5.i386.rpm: Header V3 DSA/SHA1 Signature,key ID 5072e1f5: NOKEY

Preparing...               ########################################### [100%]

      packageMySQL-server-5.6.27-1.linux_glibc2.5.i386 is already installed

[root@bogonmyfile]# rpm -qa|grep mysql

[root@bogonmyfile]# rpm -ivh MySQL-devel-5.6.27-1.linux_glibc2.5.i386.rpm

warning:MySQL-devel-5.6.27-1.linux_glibc2.5.i386.rpm: Header V3 DSA/SHA1 Signature, keyID 5072e1f5: NOKEY

Preparing...               ########################################### [100%]

      packageMySQL-devel-5.6.27-1.linux_glibc2.5.i386 is already installed

[root@bogonmyfile]# rpm -ivh MySQL-client-5.6.27-1.linux_glibc2.5.i386.rpm

warning:MySQL-client-5.6.27-1.linux_glibc2.5.i386.rpm: Header V3 DSA/SHA1 Signature,key ID 5072e1f5: NOKEY

Preparing...                ###########################################[100%]

      packageMySQL-client-5.6.27-1.linux_glibc2.5.i386 is already installed

使用rpm –qa |grep mysql 查询mysql未安装成功

问题解决：

出现该问题是你在安装这次之前已经安装过mysql，但是并没有将mysql彻底卸载干净。

使用rpm –e XXXX将mysql卸载完之后，将所有的mysql文件删除，再使用yum remove mysql, yum removemysql-server, yum remove mysql-shared 等来卸载，最后重新安装，解决上面的问题。

安装步骤：点击打开链接  http://blog.youkuaiyun.com/yzbk_dxy/article/details/58106329