ubuntu 18.04 LTS 부터 netplan으로 네트워크 설정방식이 변경 $ ls /sys/class/net ens160 lo $sudo vi /etc/netplan/00-installer-config.yaml network: ethernets: ens160: addresses: - x.x.x.173/24 gateway4: x.x.x.254 nameservers: addresses: - 168.126.63.1 # search: [lesstif.com] # dhcp4: yes dhcp4: no # optional: true version: 2 -----------------또는------------------------ network: ethernets: enp0s31f6: addresses: [x...