一,说明 1.1 pfSense是什么 pfSense是基于FreeBSD的.开源中最为可靠(World's Most Trusted Open Source Firewall)的.可与商业级防火墙一战(It has successfully replaced every big name commercial firewall you can imagine in numerous installations around the world)的防火墙. 简单点说pfSense就是一个操作系统
常用命令: 修改root用户密码 update mysql.user set authentication_string=password('1234qwer') where user='root' ; 授权root用户 所有主机登录: grant all privileges on *.* to 'root'@'%' identified by 'redhat'; mysqladmin-u root -p shutdown 关闭mysql mysqld --skip-grant-tables