20190418 为了测试 Docker LNMP 学习环境,卸载掉之前已经安装的 mysql
参考:
https://blog.csdn.net/iehadoop/article/details/82961264
https://www.cnblogs.com/hupeng1234/p/7003543.html
人家写的很详细了,我这里记录一下我自己的操作过程
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停止 mysql 服务
sudo service mysql status
sudo service mysql stop -
查询 mysql 依赖
:~$ dpkg --list|grep mysqlii dbconfig-mysql 2.0.9 all dbconfig-common MySQL/MariaDB support ii mysql-client-5.7 5.7.25-0ubuntu0.18.04.2 amd64 MySQL database client binaries ii mysql-client-core-5.7 5.7.25-0ubuntu0.18.04.2 amd64 MySQL database core client binaries ii mysql-common 5.8+1.0.4 all MySQL database common files, e.g. /etc/mysql/my.cnf ii mysql-server 5.7.25-0ubuntu0.18.04.2 all MySQL database server (metapackage depending on the latest version) ii mysql-server-5.7 5.7.25-0ubuntu0.18.04.2 amd64 MySQL database server binaries and system database setup ii mysql-server-core-5.7 5.7.25-0ubuntu0.18.04.2 amd64 MySQL database server binaries ii php-mysql 1:7.2+60ubuntu1 all MySQL module for PHP [default] ii php7.2-mysql 7.2.15-0ubuntu0.18.04.2 amd64 MySQL module for PHP
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逐个卸载
sudo apt-get remove mysql-common
出错了!The following packages have unmet dependencies: dbconfig-mysql : Depends: default-mysql-client but it is not going to be installed or virtual-mysql-client E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
sudo apt-get autoremove --purge mysql-server-5.7
sudo apt-get autoremove --purge mysql-server-core-5.7
sudo apt-get autoremove --purge mysql-client-5.7
sudo apt-get autoremove --purge mysql-client-core-5.7
再来
sudo apt-get remove mysql-common -
清除残留
dpkg -l |grep ^rc|awk ‘{print $2}’ |sudo xargs dpkg -Psudo apt autoremove
我这里没有什么数据,使用认为以下必要删除
sudo rm -rf /etc/mysql/ /var/lib/mysql
实际环境下还是小心为好!