Linux下完全解除安裝mysql

1.檢視是否安裝mysql

rpm -qa | grep -i mysql

2.關閉mysql服務

service mysql status    檢視執行狀態

service mysql stop 停止執行
service mysql status 檢視執行狀態是否停止

3.解除安裝mysql的相關元件，ev後面的內容就是步驟一所查到的內容

rpm -ev mysql-devel-5.6.23-1.linux_glibc2.5

error: failed dependencies:

libmysqlclient.so.18()(64bit) is needed by (installed) postfix-2:2.10.1-6.el7.x86_64
libmysqlclient.so.18(libmysqlclient_18)(64bit) is needed by (installed) postfix-2:2.10.1-6.el7.x86_64

這時候就要用下面的辦法刪除

rpm -e --noscripts ***********

4.收集mysql對應的資料夾資訊

find / -name mysql

rm -rf **********

5.刪除mysql使用者和使用者組

[root@izuf6147skj2ic0e6i0599z ~]#  more /etc/passwd | grep mysql

mysql:x:27:27:mysql server:/var/lib/mysql:/bin/bash
[root@izuf6147skj2ic0e6i0599z ~]# find / -name mysql
[root@izuf6147skj2ic0e6i0599z ~]# more /etc/shadow | grep mysq
mysql:!!:17324::::::
[root@izuf6147skj2ic0e6i0599z ~]# more /etc/group | grep mysql
mysql:x:27:
[root@izuf6147skj2ic0e6i0599z ~]# userdel mysql
[root@izuf6147skj2ic0e6i0599z ~]# groupdel mysql
groupdel: group 'mysql' does not exist

6.確認是否刪除

rpm -qa | grep -i mysql

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