Mysql çalışmıyor bir anda oldu.
Neden olmuş olabilir?

[root@server ~]# service mysqld restart
Stopping mysqld:                                            [  OK  ]
MySQL Daemon failed to start.
Starting mysqld:                                            [FAILED]
[root@server ~]# sudo service mysql start
mysql: unrecognized service
[root@server ~]# ^V
-bash:  : command not found
[root@server ~]# chown -R mysql:mysql /var/lib/mysql
[root@server ~]# service mysqld start
 
Timeout error occurred trying to start MySQL Daemon.
Starting mysqld:                                            [FAILED]
[root@server ~]#
[root@server ~]# rpm -qa | grep mysql
php-mysql-5.3.3-27.el6_5.i686
mysql-connector-odbc-5.1.5r1144-7.el6.i686
mysql-libs-5.1.73-3.el6_5.i686
mysql-server-5.1.73-3.el6_5.i686
mysql-5.1.73-3.el6_5.i686
[root@server ~]# $ chmod 755 mysqld
-bash: $: command not found
[root@server ~]# chmod 755 mysqld
chmod: cannot access `mysqld': No such file or directory
[root@server ~]#