MariaDB and MySQL At the same time?


#1

I’m migrating sites on a development server, and noticed that Mysql crashes quite often. I took a closer look, and discovered that I have both MariaDB and MySQL. Should I remove mysql-common ? Or is this normal ?

$ dpkg -l | grep mysql
ii  dovecot-mysql                        1:2.2.9-1ubuntu2.1                                   amd64        secure POP3/IMAP server - MySQL support
ii  libdbd-mysql-perl                    4.025-1                                              amd64        Perl5 database interface to the MySQL database
ii  libmysqlclient18                     10.1.17+maria-1~trusty                               amd64        Virtual package to satisfy external depends
ii  mariadb-common                       10.1.17+maria-1~trusty                               all          MariaDB database common files (e.g. /etc/mysql/conf.d/mariadb.cnf)
ii  mysql-common                         5.5.47-0ubuntu0.14.04.1                              all          MySQL database common files, e.g. /etc/mysql/my.cnf
rc  mysql-server-5.5                     5.5.40-0ubuntu0.14.04.1                              amd64        MySQL database server binaries and system database setup
ii  mysqltuner                           1.2.0-1                                              all          high-performance MySQL tuning script
ii  percona-server-common-5.6            5.6.32-78.0-1.trusty                                 amd64        Percona Server database common files (e.g. /etc/mysql/my.cnf)
ii  php5.6-mysql                         5.6.25-2+deb.sury.org~trusty+1                       amd64        MySQL module for PHP
ii  php7.0-mysql                         7.0.10-2+deb.sury.org~trusty+1                       amd64        MySQL module for PHP

/var/www ⌚ 12:47:30
$ dpkg -l | grep maria
ii  libmariadbclient18                   10.1.17+maria-1~trusty                               amd64        MariaDB database client library
ii  libmysqlclient18                     10.1.17+maria-1~trusty                               amd64        Virtual package to satisfy external depends
ii  mariadb-client-10.1                  10.1.17+maria-1~trusty                               amd64        MariaDB database client binaries
ii  mariadb-client-core-10.1             10.1.17+maria-1~trusty                               amd64        MariaDB database core client binaries
ii  mariadb-common                       10.1.17+maria-1~trusty                               all          MariaDB database common files (e.g. /etc/mysql/conf.d/mariadb.cnf)
ii  mariadb-server                       10.1.17+maria-1~trusty                               all          MariaDB database server (metapackage depending on the latest version)
ii  mariadb-server-10.1                  10.1.17+maria-1~trusty                               amd64        MariaDB database server binaries
ii  mariadb-server-core-10.1             10.1.17+maria-1~trusty                               amd64        MariaDB database core server files

#2