mysql 报错问题 日志 处理跟踪

[root@localhost opt]# service mysqld start
Timeout error occurred trying to start MySQL Daemon.
启动 MySQL： [失败]

[root@localhost bin]# mysqladmin status
mysqladmin: connect to server at 'localhost' failed
error: 'Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)'
Check that mysqld is running and that the socket: '/var/lib/mysql/mysql.sock' exists!

[root@localhost bin]# mysql
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)


错误日志：
Oct 14 10:55:51 localhost kernel: audit(1287024951.254:0): avc:  denied  { getattr } for  pid=3211 exe=/usr/libexec/mysqld path=/var/lib/mysql/localhost.localdomain.err dev=sdb5 ino=113054 scontext=root:system_r:mysqld_t tcontext=root:object_r:var_lib_t tclass=file