우분투 20.04에서 ModemManager 비활성화 및 제거하는 방법

우분투 20.04에서 ModemManager 비활성화 및 제거하는 방법

ModemManager는 모바일 브로드밴드 모뎀을 관리하는 데몬입니다.

테스트 환경

$ lsb_release -d
Description:    Ubuntu 20.04.6 LTS

1. ModemManager 서비스 비활성화 및 중지

sudo systemctl disable --now ModemManager

Removed /etc/systemd/system/dbus-org.freedesktop.ModemManager1.service.
Removed /etc/systemd/system/multi-user.target.wants/ModemManager.service.

확인

sudo systemctl is-enabled ModemManager

disabled

2. ModemManager 패키지 제거

sudo apt remove --purge -y modemmanager

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  usb-modeswitch usb-modeswitch-data
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  modemmanager*
0 upgraded, 0 newly installed, 1 to remove and 56 not upgraded.
After this operation, 4,395 kB disk space will be freed.
(Reading database ... 72249 files and directories currently installed.)
Removing modemmanager (1.18.6-1~ubuntu20.04.1) ...
Unknown option: runtime
Processing triggers for dbus (1.12.16-2ubuntu2.3) ...
Processing triggers for man-db (2.9.1-1) ...
(Reading database ... 72143 files and directories currently installed.)
Purging configuration files for modemmanager (1.18.6-1~ubuntu20.04.1) ...
Processing triggers for dbus (1.12.16-2ubuntu2.3) ...

728x90

3. 불필요한 패키지 정리

sudo apt autoremove -y

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  usb-modeswitch usb-modeswitch-data
0 upgraded, 0 newly installed, 2 to remove and 56 not upgraded.
After this operation, 269 kB disk space will be freed.
(Reading database ... 72142 files and directories currently installed.)
Removing usb-modeswitch (2.5.2+repack0-2ubuntu3) ...
Removing usb-modeswitch-data (20191128-3) ...
Processing triggers for man-db (2.9.1-1) ...

4. 확인하기

systemctl status ModemManager

Unit ModemManager.service could not be found.

 

우분투 20.04에서 ModemManager가 완전히 비활성화되고 제거되었습니다.