启动不了mysql

Question

060912 15:07:28  mysqld started
060912 15:07:28 [ERROR] Fatal error: Can't change to run as user 'mysql' ;  Plea
se check that the user exists!

060912 15:07:28 [ERROR] Aborting

060912 15:07:28 [Note] /usr/local/web/mysql/libexec/mysqld: Shutdown complete

060912 15:07:28  mysqld ended

060912 15:09:38  mysqld started
060912 15:09:38 [ERROR] Can't start server : Bind on unix socket: No such file o
r directory
060912 15:09:38 [ERROR] Do you already have another mysqld server running on soc
ket: /usr/local/usr/mysql/var/mysql.sock ?
060912 15:09:38 [ERROR] Aborting

060912 15:09:38 [Note] /usr/local/web/mysql/libexec/mysqld: Shutdown complete

060912 15:09:38  mysqld ended

Answer 1

Can't start server : Bind on unix socket: No such file o
r directory
去看一下

Answer 2

060912 16:02:02  mysqld started
060912 16:02:02 [ERROR] Can't start server : Bind on unix socket: No such file o
r directory
060912 16:02:02 [ERROR] Do you already have another mysqld server running on soc
ket: /usr/local/usr/mysql/var/mysql.sock ?
060912 16:02:02 [ERROR] Aborting

060912 16:02:02 [Note] /usr/local/web/mysql/libexec/mysqld: Shutdown complete

060912 16:02:02  mysqld ended

Answer 3

/usr/local/usr/mysql目录的权限是否是mysql用户的