mysql 开启不了

fengjinyuan

Linux pub-PowerEdge-R820 3.19.0-25-generic #26~14.04.1-Ubuntu SMP Fri Jul 24 21:16:20 UTC 2015 x86_64
Linux  内核版本：3.19.0-25-generic

151112 09:54:02 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
151112  9:54:02 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Please check that the user exists!

151112  9:54:02 [ERROR] Aborting

151112  9:54:02 [Note] /usr/local/mysql/libexec/mysqld: Shutdown complete

151112 09:54:02 mysqld_safe mysqld from pid file /usr/local/mysql/var/pub-PowerEdge-R820.pid ended
151112 09:54:03 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
151112  9:54:03 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Please check that the user exists!

151112  9:54:03 [ERROR] Aborting

151112  9:54:03 [Note] /usr/local/mysql/libexec/mysqld: Shutdown complete

151112 09:54:03 mysqld_safe mysqld from pid file /usr/local/mysql/var/pub-PowerEdge-R820.pid ended
151112 10:07:00 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
151112 10:07:00 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Please check that the user exists!

151112 10:07:00 [ERROR] Aborting

151112 10:07:00 [Note] /usr/local/mysql/libexec/mysqld: Shutdown complete

151112 10:07:00 mysqld_safe mysqld from pid file /usr/local/mysql/var/pub-PowerEdge-R820.pid ended
151112 10:59:40 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
151112 10:59:40 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Please check that the user exists!

151112 10:59:40 [ERROR] Aborting

151112 10:59:40 [Note] /usr/local/mysql/libexec/mysqld: Shutdown complete

151112 10:59:40 mysqld_safe mysqld from pid file /usr/local/mysql/var/pub-PowerEdge-R820.pid ended
151112 12:10:48 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
151112 12:10:48 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Please check that the user exists!

151112 12:10:48 [ERROR] Aborting

151112 12:10:48 [Note] /usr/local/mysql/libexec/mysqld: Shutdown complete

151112 12:10:48 mysqld_safe mysqld from pid file /usr/local/mysql/var/pub-PowerEdge-R820.pid ended
151112 12:14:55 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/var
151112 12:14:55 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Please check that the user exists!

151112 12:14:55 [ERROR] Aborting


ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

licess

检查一下mysql用户和用户组是否存在
没有的话
groupadd mysql
useradd -s /sbin/nologin -M -g mysql mysql
进行添加
再ls -la /usr/local/mysql/bin/
ls -la /usr/local/mysql/var/ 看一下权限

onlyyou

再ls -la /usr/local/mysql/bin/
ls -la /usr/local/mysql/var/ 看一下权限
请问正常权限应该是什么样的？

licess

属主和属组都应该是mysql