Linux under MySQL prompt "MySQL Deamon failed to start" error resolution

The operating system for CentOS, the site suddenly connected to the database, so friends directly restarted the server. In CLI mode, perform a service MYQSLD start discovery or Prompt "MySQL Deamon failed to start" error message.

#/etc/init.d/mysqld Start
MySQL Daemon failed to start.
Starting mysqld: [FAILED]

View Mysqld's log file

#less/var/log/mysqld.log
141201 11:35:20 mysqld_safe mysqld from PID File/var/run/mysqld/mysqld.pid ended
141201 11:35:43 Mysqld_safe starting mysqld daemon with databases From/var/lib/mysql
141201 11:35:43 [Warning] '--default-character-set ' is deprecated and'll be removed in a future release. Please use '--character-set-server ' instead.
141201 11:35:43 innodb:initializing buffer pool, size = 8.0M
141201 11:35:43 innodb:completed initialization of buffer pool
141201 11:35:43 innodb:started; Log sequence number 0 44233
141201 11:35:43 [ERROR] Can ' t start server:bind on TCP/IP port:permission denied
141201 11:35:43 [ERROR] Do you already has another MYSQLD server running on port:12345?
141201 11:35:43 [ERROR] Aborting

The description should be SELinux permission limit, need to turn off SELinux

View current configuration information.

# Getenforce

Enforcing

Indicates that SELinux is enabled. You just need to turn it off.

Close method:

/usr/sbin/setenforce 0 (0|1 open | off)

Or

Setsebool Ftpd_disable_trans 1

Linux under MySQL prompt "MySQL Deamon failed to start" error resolution