Configure Static IP Address on Arch Linux via command line

Arch Linux Tutorial - Hello everyone, today I am going to show you how to configure static IP address on Arch Linux 2017 via command line. I assume you have direct access to Arch Linux and a basic understanding of Linux commands. This tutorial will cover only for ethernetc connection. Next time I will show you how to configure WiFi connection on Arch Linux.

Arch Linux comes with built in network configuration samples located in /etc/netctl/examples. We will use this sample and modify a little bit for our system.

ls /etc/netctl/examples

Output:

root@archiso ~ # ls /etc/netctl/examples
bonding          ethernet-static  openvswitch  vlan-dhcp      wireless-wpa
bridge           macvlan-dhcp     pppoe        vlan-static    wireless-wpa-config
ethernet-custom  macvlan-static   tunnel       wireless-open  wireless-wpa-configsection
ethernet-dhcp    mobile_ppp       tuntap       wireless-wep   wireless-wpa-static

As you can see, we have ethernet-dhcp and ethernet-static that can be used to configure our ethernet connection. Now we need to find our network card name.

ip link

Output

root@archiso ~ # ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: ens18: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 36:3a:d8:6a:4b:8a brd ff:ff:ff:ff:ff:ff

As you can see from the output above, my network card is ens18. Replace ens18 with your network card name. Now copy the configuration sample.

cp /etc/netctl/examples/ethernet-static /etc/netctl/ens18

Now we need to edit the new config file we just created

nano /etc/netctl/ens18

Original Output:

Description='A basic static ethernet connection'
Interface=eth0
Connection=ethernet
IP=static
Address=('192.168.1.23/24' '192.168.1.87/24')
#Routes=('192.168.0.0/24 via 192.168.1.2')
Gateway='192.168.1.1'
DNS=('192.168.1.1')

## For IPv6 autoconfiguration
#IP6=stateless

## For IPv6 static address configuration
#IP6=static
#Address6=('1234:5678:9abc:def::1/64' '1234:3456::123/96')
#Routes6=('abcd::1234')
#Gateway6='1234:0:123::abcd'

After made some changes, here is my configuration file looks like (I deleted some unused lines)

Description='A basic static ethernet connection'
Interface=ens18
Connection=ethernet
IP=static
Address=('10.34.0.102/24')
Gateway='10.34.0.1'
DNS=('10.34.0.10')

Do not forget to replace eth0 with your network card name (ens18 in my case).

Now enable the network card upon boot