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Service Error
(XID jdygud) The “mysql” service failed to start.
Startup Log
Nov 11 01:36:28 exportleftovers-com systemd[1]: Starting MariaDB database server...
Nov 11 01:36:28 exportleftovers-com mysqld[8055]: 2016-11-11 1:36:28 139763749849280 [Note] /usr/sbin/mysqld (mysqld 10.1.19-MariaDB) starting as process 8055 ...
Nov 11 01:36:28 exportleftovers-com systemd[1]: mariadb.service: main process exited, code=exited, status=1/FAILURE
Nov 11 01:36:28 exportleftovers-com systemd[1]: Failed to start MariaDB database server.
Nov 11 01:36:28 exportleftovers-com systemd[1]: Unit mariadb.service entered failed state.
Nov 11 01:36:28 exportleftovers-com systemd[1]: mariadb.service failed.
Log Messages
2016-11-11 1:36:28 139763749849280 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ib0pdIJi' (Errcode: 2 "No such file or directory")
2016-11-11 1:36:23 139771664853184 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibufQ6Qx' (Errcode: 2 "No such file or directory")
2016-11-11 1:36:17 140358575917248 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibHPfciZ' (Errcode: 2 "No such file or directory")
2016-11-11 1:35:09 140478562506944 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibRUYbLt' (Errcode: 2 "No such file or directory")
2016-11-11 1:28:01 140592600885440 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibawY4HS' (Errcode: 2 "No such file or directory")
2016-11-11 1:27:54 139982938810560 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibPcitKC' (Errcode: 2 "No such file or directory")
Nov 11 01:36:28 exportleftovers-com mysqld: 2016-11-11 1:36:28 139763749849280 [Note] /usr/sbin/mysqld (mysqld 10.1.19-MariaDB) starting as process 8055 ...
/dev/shm/mysql ownership should be set to mysql:mysql
But as /dev/shm content is deleted on each reboot, you should make sure /dev/shm/mysql exists and set to mysql:mysql ownership before mysqld start, maybe in an init script
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