重启SQL(service mysqld restart)报错:
ERROR! The server quit without updating PID file (/var/lib/mysql/主机名.pid).
解决办法为:
cd /var/lib/mysql/ chown -R mysql.mysql . su - mysql /usr/local/mysql/bin/mysqld_safe --user=mysql & pkill -9 mysql cd /root yum install libaio mysql_install_db