Linux虚拟机SSH服务、防火墙开启关闭

1.查看SSH服务

serveice sshd status 

--> Checking for service sshd running

2.开启SSH服务

service sshd start

--> starting SSH daemon

3.临时关闭防火墙（环境重启之后，防火墙又会关闭）

rcSuSEfirewall2 stop

4.永久关闭防火墙

chkconfig SuSEfirewall2_init off

chkconfig SuSEfirewall2_setup off

分操作系统

SUSE11下：
关闭操作为：
service SuSEfirewall2_setup stop
service SuSEfirewall2_init stop
取消开机启动防火墙：
chkconfig SuSEfirewall2_init off
chkconfig SuSEfirewall2_setup off

启动操作为：
service SuSEfirewall2_setup start
service SuSEfirewall2_init start
取消开机启动防火墙：
chkconfig SuSEfirewall2_init on
chkconfig SuSEfirewall2_setup on

suse12下操作为：
关闭防火墙
systemctl stop SuSEfirewall2.service
取消开机启动防火墙
systemctl disable SuSEfirewall2.service

开启防火墙
systemctl enable SuSEfirewall2.service
开机启动防火墙
systemctl start SuSEfirewall2.service