[Linux/Ubuntu 20.04 LTS] Wired Network 사라지는 경우

 

Ubuntu 에서 재부팅  Wired Network 가 사라지는 현상이 나타났다. 해결 방법은 아래와 같다.

1. apt update

sudo apt update​

2. NetworkManager.conf 의 managed 를 true 로 변경

vi /etc/NetworkManager/NetworkManager.conf

[main]
plugins=ifupdown,keyfile
[ifupdown]
managed=true

[device]
wifi.scan-rand-mac-address=no

3.  10-globally-managed-devices.conf 파일을 생성

touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf

4. Network Manager 를 재시작

systemctl restart NetworkManager

 

 

[참고]

How to fix Ethernet Network not showing(Ethernet Network not showing in Ubuntu 18.04) Tip - jelly - Medium

How to fix Ethernet Network not showing(Ethernet Network not showing in Ubuntu 18.04) Tip