In this article, we will check how to grep the IP address of our system and netmask in a quick way.
1. Using “ip addr” command.
This command also fetches static, dynamic, or wlan ip.
[root@nglinux ~]# ip addr | grep -Po "\d{1,3}.*/24"
192.168.52.138/24
[root@nglinux ~]#
2. Using ifconfig command.
[root@nglinux ~]# ifconfig -a | grep -i 'inet addr'
inet addr:192.168.52.138 Bcast:192.168.52.255 Mask:255.255.255.0
inet addr:127.0.0.1 Mask:255.0.0.0
[root@nglinux ~]#
3. Using hostname command
[root@nglinux ~]# hostname -i 127.0.0.1 [root@nglinux ~]# hostname -I 192.168.52.138 [root@nglinux ~]#
The above command uses below options:
-i, –ip-address addresses for the hostname
-I, –all-ip-addresses all addresses for the host
Hence, these are three different ways to get IP address of our linux system, the one other way is to check from GUI.
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