Find the interfaces in Linux that have IPs assigned (and what those IPs are):
ifconfig | grep -B1 -P -e "\d*\d\.\d*\d\.\d*\d\.\d*\d"
[root@rtrispa02 user1]# ifconfig | grep -B1 -P -e "\d*\d\.\d*\d\.\d*\d\.\d*\d"
enp1s0f0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.82.250.27 netmask 255.255.255.255 broadcast 10.82.250.27
--
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
