Linux平臺(tái)卸載MySQL總結(jié): 1: 檢查是否安裝了MySQL組件。 [root@DB-Server init.d]# rpm -qa | grep -i mysql MySQL-devel-5.6.23-1.linux_glibc2.5 MySQL-client-5.6.23-1.linux_glibc2.5 MySQL-server-5.6.23-1.linux_glibc2.5 如上所示,說(shuō)明安裝了MySQL 5.6.23這個(gè)版本的client、server、devel三個(gè)組件。 2: 卸載前關(guān)閉MySQL服務(wù) 2.1 方法1 [root@DB-Server init.d]# service mysql status MySQL running (25673)[ OK ] [root@DB-Server init.d]# service mysql stop Shutting down MySQL..[ OK ] [root@DB-Server init.d]# service mysql status MySQL is not running[FAILED] 2.2 方法2 [root@DB-Server init.d]# ./mysql status MySQL running (26215)[ OK ] [root@DB-Server init.d]# ./mysql stop Shutting down MySQL..[ OK ] [root@DB-Server init.d]# ./mysql status MySQL is not running[FAILED] [root@DB-Server init.d]# Linux平臺(tái)卸載MySQL總結(jié) [root@DB-Server init.d]# chkconfig --list | grep -i mysql mysql 0:off 1:off 2:on 3:on 4:on 5:on 6:off [root@DB-Server init.d]# 3. 收集MySQL對(duì)應(yīng)的文件夾信息 [root@DB-Server init.d]# whereis mysql mysql: /usr/bin/mysql /usr/include/mysql /usr/share/mysql /usr/share/man/man1/mysql.1.gz 最好實(shí)用find命令查看MySQL數(shù)據(jù)庫(kù)相關(guān)的文件,方便后面徹底刪除MySQL。 [root@DB-Server init.d]# find / -name mysql /etc/rc.d/init.d/mysql /etc/logrotate.d/mysql /var/lock/subsys/mysql /var/lib/mysql /var/lib/mysql/mysql /usr/include/mysql /usr/include/mysql/mysql /usr/bin/mysql /usr/share/mysql /usr/lib64/mysql 4: 卸載刪除MySQL各類組件 [root@DB-Server init.d]# [root@DB-Server init.d]# rpm -ev MySQL-devel-5.6.23-1.linux_glibc2.5 [root@DB-Server init.d]# rpm -ev MySQL-server-5.6.23-1.linux_glibc2.5 You have new mail in /var/spool/mail/root [root@DB-Server init.d]# rpm -ev MySQL-client-5.6.23-1.linux_glibc2.5 [root@DB-Server init.d]# 5:刪除MySQL對(duì)應(yīng)的文件夾 檢查各個(gè)MySQL文件夾是否清理刪除干凈。 [root@DB-Server init.d]# whereis mysql mysql: [root@DB-Server init.d]# find / -name mysql /var/lib/mysql /var/lib/mysql/mysql /usr/lib64/mysql [root@DB-Server init.d]# rm -rf /var/lib/mysql [root@DB-Server init.d]# rm -rf /var/lib/mysql/mysql [root@DB-Server init.d]# rm -rf /usr/lib64/mysql [root@DB-Server init.d]# 6:刪除mysql用戶及用戶組 如果有必要,刪除mysql用戶以及mysql用戶組。 [root@DB-Server ~]# more /etc/passwd | grep mysql mysql:x:101:501::/home/mysql:/bin/bash [root@DB-Server ~]# more /etc/shadow | grep mysql mysql:!!:16496:::::: [root@DB-Server ~]# more /etc/group | grep mysql mysql:x:501: [root@DB-Server ~]# userdel mysql [root@DB-Server ~]# groupdel mysql groupdel: group mysql does not exist [root@DB-Server ~]# 7:確認(rèn)MySQL是否卸載刪除 [root@DB-Server init.d]# rpm -qa | grep -i mysql 二進(jìn)制包/源碼安裝方式的MySQL卸載 如果是采用二進(jìn)制包安裝的MySQL,那么你用下面命令是找不到任何MySQL組件的。所以如果你不知道MySQL的安裝方式,千萬(wàn)不要用下面命令來(lái)判別是否安裝了MySQL [root@DB-Server init.d]# rpm -qa | grep -i mysql 1: 檢查MySQL服務(wù)并關(guān)閉服務(wù)進(jìn)程。 首先通過(guò)進(jìn)程查看是否有MySQL的服務(wù)的狀態(tài), 如下所示,MySQL服務(wù)是啟動(dòng)的。 [root@DB-Server init.d]# ps -ef | grep mysql root 4752 4302 0 22:55 pts/1 00:00:00 more /etc/init.d/mysql.server root 7176 1 0 23:23 pts/1 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/DB-Server.localdomain.pid mysql 7269 7176 15 23:23 pts/1 00:00:01 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/usr/local/mysql/data/DB-Server.localdomain.err --pid-file=/usr/local/mysql/data/DB-Server.localdomain.pid root 7321 4302 0 23:23 pts/1 00:00:00 grep mysql [root@DB-Server init.d]# /etc/init.d/mysql.server status MySQL running (7269)[ OK ] [root@DB-Server init.d]# /etc/init.d/mysql.server stop Shutting down MySQL..[ OK ] [root@DB-Server init.d]# /etc/init.d/mysql.server status MySQL is not running[FAILED] [root@DB-Server init.d]# 2: 查找MySQL的安裝目錄并徹底刪除 [root@DB-Server init.d]# whereis mysql mysql: /usr/local/mysql [root@DB-Server init.d]# find / -name mysql /var/spool/mail/mysql /usr/local/mysql-5.7.5-m15-linux-glibc2.5-x86_64/include/mysql /usr/local/mysql-5.7.5-m15-linux-glibc2.5-x86_64/bin/mysql /usr/local/mysql-5.7.5-m15-linux-glibc2.5-x86_64/data/mysql /usr/local/mysql [root@DB-Server init.d]# rm -rf /usr/local/mysql-5.7.5-m15-linux-glibc2.5-x86_64/ [root@DB-Server init.d]# rm -rf /usr/local/ [root@DB-Server init.d]# rm -rf /var/spool/mail/mysql [root@DB-Server init.d]# 3: 刪除一些配置文件 配置文件一般有/etc/my.cnf 或/etc/init.d/mysql.server,視具體安裝配置情況而定。 4:刪除MySQL用戶以及用戶組 [root@DB-Server ~]# id mysql uid=101(mysql) gid=501(mysql) groups=501(mysql) context=root:system_r:unconfined_t:SystemLow-SystemHigh [root@DB-Server ~]# userdel mysql |
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