[root@VM_0_7_centos data]# vim /etc/my.cnf
[root@VM_0_7_centos data]# vim /etc/my.cnf
[root@VM_0_7_centos data]# /etc/init.d/mysqld restart
Shutting down MySQL.... SUCCESS!
Starting MySQL. SUCCESS!
[root@VM_0_7_centos data]# grep log_bin /etc/my.cnf
[root@VM_0_7_centos data]# grep log-bin /etc/my.cnf
log-bin=/opt/mysql/data/mysql-bin
mysql> show variables like '%log_bin%';
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection id: 2
Current database: wordpress
+---------------------------------+---------------------------------+
| Variable_name | Value |
+---------------------------------+---------------------------------+
| log_bin | ON |
| log_bin_basename | /opt/mysql/data/mysql-bin |
| log_bin_index | /opt/mysql/data/mysql-bin.index |
| log_bin_trust_function_creators | OFF |
| log_bin_use_v1_row_events | OFF |
| sql_log_bin | ON |
+---------------------------------+---------------------------------+
6 rows in set (0.01 sec)