Just use the apt-get command as follows remove both MySQL server and client in Ubuntu Linux:
sudo apt-get –purge remove mysql-client mysql-server mysql-common
sudo apt-get autoremove
Sample outputs (pay attention to package names):
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages were automatically installed and are no longer required:
linux-headers-3.2.0-31-virtual linux-headers-3.2.0-31
Use ‘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/waiting
Purging 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
Delete /etc/mysql/ directory using rm command:
$ sudo rm -rf /etc/mysql/
Understanding apt-get command options
