Linux IP-address confirming

There are several ways to check your server’s IP address, two ways as bellow are popular.

1. ip addr show

[root@sun ~]# ip addr show
1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
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: _eth0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
inet 140.227.63.152/24 brd 140.227.63.255 scope global noprefixroute _eth0
valid_lft forever preferred_lft forever

[root@sun ~]# ip addr show _eth0
2: _eth0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 52:54:00:c3:02:8a brd ff:ff:ff:ff:ff:ff
inet 140.227.63.152/24 brd 140.227.63.255 scope global noprefixroute _eth0
valid_lft forever preferred_lft forever

2. hostname -I

[root@sun ~]# hostname -I
140.227.63.152