Linux command: ifconfig
Change ip from CLI
sudo ifconfig eth0 192.168.0.1 netmask 255.255.255.0
Change default gateaway
sudo route add default gw 192.168.0.253 eth0
sudo ifconfig eth0 192.168.0.1 netmask 255.255.255.0
sudo route add default gw 192.168.0.253 eth0