對于有的vps，系統默認安裝了mysql。我們需要從我們的服務器、vps上卸載(移除)默認的mysql。那么如何(怎樣)在ubuntu/Debian上卸載mysql?

通常情況下，下列mysql軟件包會被安裝到 Debian 、Ubuntu中：

那么如何怎樣在ubuntu/Debian上卸載mysql？
只需要使用 apt-get 命令 即可，如下面的命令，同時卸載 ubuntu / Debian 中的 mysql server 和 mysql client ：

sudo apt-get --purge remove mysql-client mysql-server mysql-commonsudo apt-get autoremove

解釋: --purge 移除所給的軟件包和配置文件

remove 表示卸載軟件包

autoremove 表示自動卸載軟件包，以及與該軟件包的依賴(軟件包)

輸入如下(注意軟件包名字)：

Reading package lists... DoneBuilding dependency treeReading state information... DoneThe following packages were automatically installed and are no longer required: linux-headers-3.2.0-31-virtual linux-headers-3.2.0-31Use 'apt-get autoremove' to remove them.The following packages will be REMOVED: libdbd-mysql-perl* libmysqlclient18* mysql-client* mysql-client-5.5* mysql-common* mysql-server* mysql-server-5.5*0 upgraded, 0 newly installed, 7 to remove and 0 not upgraded.After this operation, 67.5 MB disk space will be freed.Do you want to continue [Y/n]? y(Reading database ... 105097 files and directories currently installed.)Removing mysql-server ...Removing mysql-server-5.5 ...mysql stop/waitingPurging configuration files for mysql-server-5.5 ...Removing mysql-client ...Removing mysql-client-5.5 ...Removing libdbd-mysql-perl ...Removing libmysqlclient18 ...Purging configuration files for libmysqlclient18 ...Removing mysql-common ...Purging configuration files for mysql-common ...dpkg: warning: while removing mysql-common, directory '/etc/mysql' not empty so not removed.Processing triggers for ureadahead ...Processing triggers for man-db ...Processing triggers for libc-bin ...ldconfig deferred processing now taking place

刪除 /etc/mysql 目錄，使用如下命令:

sudo rm -rf /etc/mysql/  

解釋：-r 同時刪除該目錄下的所有子目錄。 -f 表示強制刪除