linux uninstall mysql

1. You must install mysql using the .rpm package

Install mysql tutorial

http://blog.csdn.net/m0_37504101/article/details/78113400

1. Stop the mysql service

systemctl stop mysqld

1. Search for the package that installs mysql

rpm -qa|grep -i mysql

2. Uninstall

[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-common-5.7.15-1.el7.x86_64.rpm
Warning: mysql-community-common-5.7.15-1.el7.x86_64.rpm: header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Upgrading/installing...
   1:mysql-community-common-5.7.15-1.e################################# [100%]
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-libs-5.7.15-1.el7.x86_64.rpm
Warning: mysql-community-libs-5.7.15-1.el7.x86_64.rpm: header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Upgrading/installing...
   1:mysql-community-libs-5.7.15-1.el7################################# [100%]
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-server-5.7.15-1.el7.x86_64.rpm
Warning: mysql-community-server-5.7.15-1.el7.x86_64.rpm: header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Error: Dependency detection failed:
        mysql-community-client(x86-64) >= 5.7.9 Required by mysql-community-server-5.7.15-1.el7.x86_64
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-client-5.7.15-1.el7.x86_64.rpm
Warning: mysql-community-client-5.7.15-1.el7.x86_64.rpm: header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Upgrading/installing...
   1:mysql-community-client-5.7.15-1.e################################# [100%]
 
[root@vm-xiluhua][/usr/local/mysql]$ rpm -ivh mysql-community-server-5.7.15-1.el7.x86_64.rpm
Warning: mysql-community-server-5.7.15-1.el7.x86_64.rpm: header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ################################# [100%]
Upgrading/installing...
   1:mysql-community-server-5.7.15-1.e################################# [100%]

3. Delete the remaining file contents

find / -name mysql

 
  /var/lib/mysql 
 

 
  /var/lib/mysql/mysql 
 

 
  /usr/lib64/mysql 
 

delete these file directories

rm -rf /var/lib/mysql
rm -rf /var/lib/mysql
rm -rf /usr/lib64/mysql

   
    Finally delete the config file

rm -rf /etc/my.cnf

linux uninstall mysql

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