Ubuntu's network configuration

1, install vim full version, Ubuntu installed by default is vim tiny version:

$sudo apt-get Remove Vim-common
$sudo apt-get Install vim  //In order to prevent the BACKSPACE key, the arrow keys in the VI edit mode failure

2, modify the/etc/network/interfaces of Ubuntu

The default contents of the file are as follows:

Auto lo
iface lo inet loopback

Dynamically acquired configuration methods:

Auto eth0
iface eth0 inet DHCP

Statically allocated configuration methods:

Auto eth0
iface eth0 inet static address 192.168.0.1 netmask 255.255.255.0
Gateway  192.168.0.1

3. Edit/etc/resolv.conf File

NameServer 202.99.166.4

4, restart the network

$CD/etc/init.d/
$sudo./networking restart

5, if not restarted successfully, the Edit command has the following results

$ DMESG | Grep-i ETH

[    3.050064] e1000 0000:02:01.0 eth0: (pci:66mhz:32-bit) 00:0c:29:05:a3:e2
[    3.050074] e1000 0000:02:01.0 Eth0:intel (R) pro/1000 network Connection
[    3.057410] e1000 0000:02:01.0-ens33:renamed from E Th0

6. Operate the following steps:

$ sudo nano/etc/default/grub

 modify grub_cmdline_linux= "net.ifnames=0 biosdevname=0"

//DHCP mode without having to operate the following steps.

$ sudo grub-mkconfig-o/boot/grub/grub.cfg

auto eth0
iface eth0 inet static address
           192.168.12.12< C12/>netmask 255.255.255.0
           dns-nameservers 192.168.12.2
           Gateway 192.168.12.2

$ sudo reboot