Ubuntu: how to remove modem+manager+gui completely?



Question:

I have uninstalled modem+manager+gui through terminal still I can see error of modem-manager-gui while doing apt-get update

Ign:1 http://ppa.launchpad.net/linuxonly/modem+manager+gui/ubuntu xenial InRelease  

How can i remove it and can run sudo apt-get update without any error?


Solution:1

During installation, you might have added ppa by running this command:

sudo add-apt-repository ppa:linuxonly/modem+manager+gui   

You might have uninstall package modem-manager-gui but ppa is not removed. So you need remove ppa linuxonly/modem+manager+gui

There will be a line in your /etc/apt/sources.list.d folder like linuxonly-ubuntu-modem_manager_gui-xenial.list.

You need to remove that line and you can do this manually by running these commands:

cd /etc/apt/sources.list.d  sudo rm linuxonly-ubuntu-modem_manager_gui-xenial.list  

OR

sudo add-apt-repository --remove ppa:linuxonly/modem+manager+gui  

After then you can do sudo apt-get update without any error.

For more information: How can PPAs be removed?


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