Ubuntu18 static IP /eth0

0.  Manuall set  

sudo ifconfig eth0 10.0.0.100 netmask 255.255.255.0

sudo route add default gw 10.0.0.1 eth0

sudo ifconfig eth0 up

 

1. Network Manager 

For Desktop version!! 

Disable ,   

/etc/NetworkManager/nm-system-settings.conf 

managed=false 

 

sudo systemctl stop NetworkManager
sudo systemctl disable NetworkManager
sudo systemctl stop NetworkManager-wait-online
sudo systemctl disable NetworkManager-wait-online
 

2. /etc/network/interfaces

Same as Centos/RHEL

/etc/network/interfaces 

 apt-get install ifupdown

# The loopback network interface
auto lo
iface lo inet loopback

# eth0
allow-hotplug eth0
auto eth0
iface eth0  inet static
 address 192.168.137.250
 netmask 255.255.255.0
 broadcast 192.168.137.255
 gateway 192.168.137.1
 dns-nameservers 8.8.8.8 8.8.4.4

3. New from Ubuntu18  netplan 

 

/etc/default/netplan

 

sudo /etc/init.d/networking force-reload ==> 重新加載網路配置文件

sudo /etc/init.d/networking restart