CentOS卸载MySQL的方法 yum remove mysql

博客介绍了在CentOS系统中卸载MySQL的方法,即使用命令“yum remove mysql”来完成卸载操作,聚焦于信息技术领域的系统操作。

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CentOS卸载MySQL的方法 yum remove mysql

[root@kypulo lampp]# rpm -qa|grep mysql

mysql-community-release-el6-5.noarch

mysql-community-client-5.6.20-4.el6.i686

mysql-community-libs-5.6.20-4.el6.i686

mysql-community-common-5.6.20-4.el6.i686

mysql-community-server-5.6.20-4.el6.i686

[root@kypulo lampp]# yum remove mysql

Loaded plugins: fastestmirror

Setting up Remove Process

Resolving Dependencies

There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.

The program yum-complete-transaction is found in the yum-utils package.

--> Running transaction check

---> Package mysql-community-client.i686 0:5.6.20-4.el6 will be erased

--> Processing Dependency: mysql-community-client(x86-32) = 5.6.20-4.el6 for package: mysql-community-server-5.6.20-4.el6.i686

--> Running transaction check

---> Package mysql-community-server.i686 0:5.6.20-4.el6 will be erased

--> Finished Dependency Resolution

base                                                     | 3.7 kB     00:00     

epel/metalink                                            |  13 kB     00:00     

epel                                                     | 4.4 kB     00:00     

epel/primary_db                                          | 5.2 MB     00:00     

extras                                                   | 3.3 kB     00:00     

mysql-connectors-community                               | 2.5 kB     00:00     

mysql-tools-community                                    | 2.5 kB     00:00     

mysql56-community                                        | 2.5 kB     00:00     

updates                                                  | 3.4 kB     00:00     

vz-base                                                  |  951 B     00:00     

vz-updates                                               |  951 B     00:00     



Dependencies Resolved



================================================================================

 Package                   Arch    Version          Repository             Size

================================================================================

Removing:

 mysql-community-client    i686    5.6.20-4.el6     @mysql56-community     71 M

Removing for dependencies:

 mysql-community-server    i686    5.6.20-4.el6     @mysql56-community    211 M



Transaction Summary

================================================================================

Remove        2 Package(s)



Installed size: 283 M

Is this ok [y/N]: y

Downloading Packages:

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

  Erasing    : mysql-community-server-5.6.20-4.el6.i686                     1/2 

  Erasing    : mysql-community-client-5.6.20-4.el6.i686                     2/2 

  Verifying  : mysql-community-server-5.6.20-4.el6.i686                     1/2 

  Verifying  : mysql-community-client-5.6.20-4.el6.i686                     2/2 



Removed:

  mysql-community-client.i686 0:5.6.20-4.el6                                    



Dependency Removed:

  mysql-community-server.i686 0:5.6.20-4.el6                                    



Complete!

[root@kypulo lampp]# rpm -qa|grep mysql

mysql-community-release-el6-5.noarch

mysql-community-libs-5.6.20-4.el6.i686

mysql-community-common-5.6.20-4.el6.i686

[root@kypulo lampp]# yum remove mysql-libs

Loaded plugins: fastestmirror

Setting up Remove Process

Resolving Dependencies

There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.

The program yum-complete-transaction is found in the yum-utils package.

--> Running transaction check

---> Package mysql-community-libs.i686 0:5.6.20-4.el6 will be erased

--> Finished Dependency Resolution



Dependencies Resolved



================================================================================

 Package                 Arch    Version            Repository             Size

================================================================================

Removing:

 mysql-community-libs    i686    5.6.20-4.el6       @mysql56-community    7.3 M



Transaction Summary

================================================================================

Remove        1 Package(s)



Installed size: 7.3 M

Is this ok [y/N]: y

Downloading Packages:

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

  Erasing    : mysql-community-libs-5.6.20-4.el6.i686                       1/1 

  Verifying  : mysql-community-libs-5.6.20-4.el6.i686                       1/1 



Removed:

  mysql-community-libs.i686 0:5.6.20-4.el6                                      



Complete!

[root@kypulo lampp]# rpm -qa|grep mysql

mysql-community-release-el6-5.noarch

mysql-community-common-5.6.20-4.el6.i686

[root@kypulo lampp]# yum remove mysql-common

Loaded plugins: fastestmirror

Setting up Remove Process

Resolving Dependencies

There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.

The program yum-complete-transaction is found in the yum-utils package.

--> Running transaction check

---> Package mysql-community-common.i686 0:5.6.20-4.el6 will be erased

--> Finished Dependency Resolution



Dependencies Resolved



================================================================================

 Package                   Arch    Version          Repository             Size

================================================================================

Removing:

 mysql-community-common    i686    5.6.20-4.el6     @mysql56-community    2.1 M



Transaction Summary

================================================================================

Remove        1 Package(s)



Installed size: 2.1 M

Is this ok [y/N]: y

Downloading Packages:

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

  Erasing    : mysql-community-common-5.6.20-4.el6.i686                     1/1 

  Verifying  : mysql-community-common-5.6.20-4.el6.i686                     1/1 



Removed:

  mysql-community-common.i686 0:5.6.20-4.el6                                    



Complete!

[root@kypulo lampp]# rpm -qa|grep mysql

mysql-community-release-el6-5.noarch

[root@kypulo lampp]# yum remove mysql-release

Loaded plugins: fastestmirror

Setting up Remove Process

No Match for argument: mysql-release

Loading mirror speeds from cached hostfile

 * base: mirrors.easynews.com

 * epel: mirrors.solfo.com

 * extras: mirror.hmc.edu

 * updates: repos.lax.quadranet.com

No Packages marked for removal

[root@kypulo lampp]# yum remove mysql-community

Loaded plugins: fastestmirror

Setting up Remove Process

No Match for argument: mysql-community

Loading mirror speeds from cached hostfile

 * base: mirrors.easynews.com

 * epel: mirror.prgmr.com

 * extras: mirror.hmc.edu

 * updates: repos.lax.quadranet.com

No Packages marked for removal

[root@kypulo lampp]# rpm -qa|grep mysql

mysql-community-release-el6-5.noarch

[root@kypulo lampp]# yum remove mysql-community-release-el6-5.noarch

Loaded plugins: fastestmirror

Setting up Remove Process

Resolving Dependencies

There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them.

The program yum-complete-transaction is found in the yum-utils package.

--> Running transaction check

---> Package mysql-community-release.noarch 0:el6-5 will be erased

--> Finished Dependency Resolution



Dependencies Resolved



================================================================================

 Package                       Arch         Version       Repository       Size

================================================================================

Removing:

 mysql-community-release       noarch       el6-5         installed       4.3 k



Transaction Summary

================================================================================

Remove        1 Package(s)



Installed size: 4.3 k

Is this ok [y/N]: y

Downloading Packages:

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

  Erasing    : mysql-community-release-el6-5.noarch                         1/1 

  Verifying  : mysql-community-release-el6-5.noarch                         1/1 



Removed:

  mysql-community-release.noarch 0:el6-5                                        



Complete!
### 完全卸载 MySQL方法CentOS 系统上完全卸载 MySQL 需要执行一系列操作以确保所有相关的软件包、配置文件和数据目录都被彻底删除。以下是具体的实现方法: #### 停止 MySQL 服务 首先需要停止正在运行的 MySQL 服务,以避免数据损坏或冲突。 ```bash sudo systemctl stop mysqld ``` 如果系统使用的是旧版本的 init 脚本,则可以使用以下命令[^5]: ```bash sudo /etc/init.d/mysql stop ``` #### 卸载 MySQL 软件包 通过 `yum` 命令卸载所有与 MySQL 相关的软件包。以下是常见的卸载命令: ```bash sudo yum remove mysql-community-server mysql-community-client mysql-community-common mysql-community-libs -y ``` 如果系统中安装了其他版本的 MySQL(例如 MySQL 5.7 或 8.0),则需要根据实际情况调整命令[^3]。 #### 删除 MySQL 数据目录 默认情况下,MySQL 的数据存储在 `/var/lib/mysql` 目录下。可以通过以下命令删除该目录及其内容: ```bash sudo rm -rf /var/lib/mysql ``` #### 删除 MySQL 配置文件 MySQL 的主配置文件通常位于 `/etc/my.cnf` 或 `/etc/mysql/` 目录下。需要手动删除这些文件以确保没有残留的配置信息: ```bash sudo rm -rf /etc/my.cnf sudo rm -rf /etc/mysql/ ``` #### 删除 MySQL 用户和组 为了彻底清理系统,可以删除 MySQL 用户和组。需要注意的是,如果系统中还有其他程序依赖于这些用户和组,则应谨慎操作: ```bash sudo userdel mysql sudo groupdel mysql ``` #### 搜索并删除其他残留文件 通过以下命令查找并删除可能存在的其他 MySQL 文件: ```bash sudo find / -name 'mysql*' -exec rm -rf {} \; ``` #### 验证卸载是否成功 最后,验证 MySQL 是否已从系统中完全卸载。可以通过以下命令检查: ```bash rpm -qa | grep mysql ``` 如果没有输出,则说明卸载成功。如果有任何残留的软件包,可以根据输出结果逐一卸载[^1]。 ### 注意事项 - 在执行上述操作之前,请确保备份所有重要的数据库数据,因为这些操作会永久删除 MySQL 的所有相关文件。 - 如果系统中存在多个版本的 MySQL 或 MariaDB,请根据实际安装情况进行调整。 - 删除用户和组的操作可能会对系统的其他部分产生影响,请在执行前确认不会影响其他服务。
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