Starting MySQL.. ERROR! The server quit without updating PID file (/usr/local/mysql/data/localhost.localdomain.pid).

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[root@localhost ~]# cd /usr/local/mysql

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[root@localhost mysql]# chown -R mysql.mysql .

[root@localhost mysql]# su - mysql

[mysql@localhost ~]$ cd /usr/local/mysql

[mysql@localhost mysql]$ scripts/mysql_install_db

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