root@node-1:~# mysql --protocol=SOCKET
ERROR 2047 (HY000): Wrong or unknown protocol
root@node-1:~# dpkg -l | grep mysql
ii libdbd-mysql-perl 4.033-1ubuntu0.1 amd64 Perl5 database interface to the MySQL database
ii libmysqlclient20:amd64 5.7.17-0ubuntu0.16.04.1 amd64 MySQL database client library
ii mysql-common 5.7.17-0ubuntu0.16.04.1 all MySQL database common files, e.g. /etc/mysql/my.cnf
ii mysql-wsrep-client-5.6 5.6.35-0~u16.04+mos1 amd64 MySQL database client binaries
ii mysql-wsrep-common-5.6 5.6.35-0~u16.04+mos1 all MySQL database common files, e.g. /etc/mysql/conf.d/my-5.6.cnf
ii mysql-wsrep-libmysqlclient18:amd64 5.6.35-0~u16.04+mos1 amd64 MySQL database client library
ii mysql-wsrep-server-5.6 5.6.35-0~u16.04+mos1 amd64 MySQL database wsrep server binaries and system database setup
root@node-1:~# mysql --protocol=SOCKET
ERROR 2047 (HY000): Wrong or unknown protocol
root@node-1:~# dpkg -l | grep mysql 0:amd64 5.7.17- 0ubuntu0. 16.04.1 amd64 MySQL database client library 0ubuntu0. 16.04.1 all MySQL database common files, e.g. /etc/mysql/my.cnf client- 5.6 5.6.35- 0~u16.04+ mos1 amd64 MySQL database client binaries common- 5.6 5.6.35- 0~u16.04+ mos1 all MySQL database common files, e.g. /etc/mysql/ conf.d/ my-5.6. cnf libmysqlclient1 8:amd64 5.6.35- 0~u16.04+ mos1 amd64 MySQL database client library server- 5.6 5.6.35- 0~u16.04+ mos1 amd64 MySQL database wsrep server binaries and system database setup
ii libdbd-mysql-perl 4.033-1ubuntu0.1 amd64 Perl5 database interface to the MySQL database
ii libmysqlclient2
ii mysql-common 5.7.17-
ii mysql-wsrep-
ii mysql-wsrep-
ii mysql-wsrep-
ii mysql-wsrep-