We were installing koha 19.05, everything was ok until the webinstaller, when said something about paternet table, We uninstalled koha, purge everything, uninstall mariadb, remove every directories, and know we have the following error, even we do not have installed yet mariad, so we can not have any table: Upgrading database schema for bijrdlibrary DBI connect('database=koha_bijrdlibrary;host=localhost;port=3306','koha_bijrdlibrary',...) failed: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) at /usr/share/perl5/DBIx/Class/Storage/DBI.pm line 1517. DBIx::Class::Storage::DBI::catch {...} (): DBI Connection failed: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) at /usr/share/perl5/DBIx/Class/Storage/DBI.pm line 1520. at /usr/share/koha/lib/Koha/Database.pm line 107 Any helps -- *Luis Moisés Rojas P.*