root@dlp:~# vi /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). source /etc/network/interfaces.d/* # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto ens3 # comment out #iface ens3 inet dhcp # add these lines iface ens3 inet static address 10.0.0.30# IP address network 10.0.0.0# network address netmask 255.255.255.0# subnet mask broadcast 10.0.0.255# broadcast address gateway 10.0.0.1# default gateway dns-nameservers 10.0.0.10# name server # reboot once root@dlp:~# reboot
[2] Disable IPv6 if not needed.
root@dlp:~# echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
root@dlp:~# sysctl -p
root@dlp:~# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:00:ad:7d:9c brd ff:ff:ff:ff:ff:ff
inet 10.0.0.30/24 brd 10.0.0.255 scope global ens3
valid_lft forever preferred_lft forever
