iptables -P INPUT ACCEPT   
iptables -P OUTPUT ACCEPT

Linux结束进程命令

kill -s 9 `pgrep mycat`

pkill -９ mycat

killall -9 mycat

Iptables打开所有端口

iptables -I INPUT -p tcp --dport 8000 -j ACCEPT

kill -s 9 45665

screen -S lnmp

iptables -P INPUT ACCEPT   

iptables -P OUTPUT ACCEPT 

grant all privileges  on *.* to root@'%' identified by "root";