Просмотр кода страницы MySQL - mysqld: Can't create/write to file '/var/run/mariadb/mariadb.pid' (Errcode: 13)

=== MySQL - mysqld: Can't create/write to file '/var/run/mariadb/mariadb.pid' (Errcode: 13) ===


Ошибка вида:
 # tail -f /var/log/mariadb/mariadb.log
 InnoDB: Please refer to
 InnoDB: http://dev.mysql.com/doc/refman/5.5/en/innodb-troubleshooting-datadict.html
 InnoDB: for how to resolve the issue.  
 170401  5:52:01  InnoDB: Waiting for the background threads to start
 170401  5:52:02 Percona XtraDB (http://www.percona.com) 5.5.49-MariaDB-38.0 started; log sequence number 1746930324
 170401  5:52:02 [Note] Plugin 'FEEDBACK' is disabled.
 170401  5:52:02 [Note] Server socket created on IP: '0.0.0.0'.
 170401  5:52:02 [ERROR] mysqld: Can't create/write to file '/var/run/mariadb/mariadb.pid' (Errcode: 13)
 170401  5:52:02 [ERROR] Can't start server: can't create PID file: Permission denied
 170401 05:52:02 mysqld_safe mysqld from pid file /var/run/mariadb/mariadb.pid ended


решается таким образом (для CentOS 7):
 # chown mysql:mysql /var/run/mariadb
 # systemctl restart mariadb