Change hostname and static IP on Centos 7

Change hostname

Edit file: /etc/sysconfig/network
```
HOSTNAME=servername.domain.com
```
Add the servername in /etc/hosts file
Run hostname command
```
sudo hostname servername.domain.com
```
Restart network service
```
sudo /etc/init.d/network restart
```

Change dynamic IP to static IP

Edit file: /etc/sysconfig/network-scripts

BOOTPROTO="static"
IPADDR="192.168.68.229"
NETMASK="255.255.255.0"
GATEWAY="192.168.68.1"
DNS1="192.168.68.227"
DNS2="192.168.68.218"
DOMAIN=domain.com

Restart network service
```
sudo /etc/init.d/network restart
```

Written on May 5, 2017