ip addr show
ip route show
ip link show
2. IP주소 및 디폴트 게이트웨이 추가
ip addr add 10.10.10.35/24 dev ens33
ip route add default via 10.10.10.254
# vi /etc/resolv.conf
nameserver 8.8.8.8
3. Network 재시작
systemctl restart networking
systemctl restart network.service
4. 인터페이스 up/down
ip link set ens33 up
ip link set ens33 down
5. Static Route 추가/삭제
ip route add 10.10.20.0/24 via 192.168.50.100 dev ens33
ip route del 10.10.20.0/24