Host Name: server0.example.com
ip address: 172.25.0.11
Network Mask: 255.255.255.0
Default Gateway: 172.25.0.254
Domain Name Server: 172.25.254.254
First, change the host name: temporary changes
hostname server0.example.com
Permanent changes
vim /etc/hostname(7.0 version)
server0.example.com
vim /etc/sysconfig/network (6.0)
server0.example.com
Second, change the static IP address: (ifcfg-eth0 is the name of the NIC)
vim /etc/sysconfig/network-scripts/ifcfg-eth0
BOOTPROTO static/none
IPADDR 192.168.1.1
PREFIX / NETMASK 24/255.255.255.0
GATEWAY 192.168.1.254
DNS1 202.106.0.20
nmcli connection reload
nmcli connection down "System eth0"
nmcli connection up "System eth0"