[root@localhost ~]# mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) [root@localhost ~]# ps -A|grep mysql 639 ? 00:00:00 mysqld_safe 665 ? 00:00:00 mysqld [root@localhost ~]# kill -9 639 [root@localhost ~]# kill -9 665 [root@localhost ~]# service mysqld status mysqld 已死,但是subsys被锁 [root@localhost ~]# service mysqld restart 停止 MySQL: [失败] 启动 MySQL: [确定] [root@localhost ~]# service mysqld status mysqld (pid 1273) 正在运行... [root@localhost ~]# mysql -uroot Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.0.77-log Source distribution Type 'help;' or '\h' for help. Type '\c' to clear the buffer. mysql>