ip

next ifconfig

https://www.cyberciti.biz/faq/linux-ip-command-examples-usage-syntax/

ip 

subcommand

• addr 디바이스 주소 리스트
• link 디바이스 업다운등

ip link set [eth0] up
ip l[ink] set [eth0] down

option

• -br brief
• -c color
• -4 filter ipv4
• -6 filter ipv6
• -s show statistics

link

• ifconfig
• netplan
• dhclient