ls -al
systemclt
systemctl
cat /etc/networks 
cat /etc/network/interfaces
ping 8.8.8.8
ip
ifconfig
ifconfig
ping 10.30.3.254
reboot
restart
poweroff
ifconfig
ifconfig
ifconfig
service networking start
service list
servce --help
service --help
service --status-all
service bootmisc.sh --start
service bootmisc.sh start
service --status-all
ifconfig
less /gns3/init.sh 
more /gns3/init.sh 
more /gns3/init.sh 
ifconfig
