$ sudo dpkg --purge --force-all mysql-common dpkg: mysql-common: dependency problems, but removing anyway as you requested: libmysqlclient18:armel depends on mysql-common (>= 5.5). mysql-client-5.6 depends on mysql-common (>= 5.5). mysql-server-5.6 depends on mysql-common (>= 5.6.22-1~). mysql-server-5.6 depends on mysql-common (>= 5.5). mysql-server-5.6 depends on mysql-common (>= 5.6.22-1~). mysql-server-5.6 depends on mysql-common (>= 5.5).
(Reading database ... 126206 files and directories currently installed.) Removing mysql-common (5.6.30-1) ... dpkg (subprocess): failed to chdir to '': No such file or directory dpkg: error processing package mysql-common (--purge): subprocess installed pre-removal script returned error exit status 2 dpkg (subprocess): failed to chdir to '': No such file or directory *** Error in `dpkg': munmap_chunk(): invalid pointer: 0xb6dc6318 *** Aborted >>> `sudo dpkg --configure -a` is required afterwards
