To make the input method icon show in Centos

1. kill the process

killall ibus-daemon 

2. start the process

ibus-daemon -d

*
CENTOS 6.0 开放端口

/sbin/iptables -I INPUT -p tcp --dport 80 -j ACCEPT

/etc/rc.d/init.d/iptables save

查看打开的端口：

/etc/init.d/iptables status

#关闭防火墙

/etc/init.d/iptables stop

service iptables stop  

# 停止服务

#restart

/etc/init.d/iptables restart 

#查看防火墙信息

/etc/init.d/iptables status