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1 vote

How do I enable the "Universe" repository?

To use add-apt-repository, you will need the package software-properties-common: sudo apt install software-properties-common Then you can use add-apt-repository to add the needed repository: sudo add-...
jlainema's user avatar
2 votes

How to fix "E: Malformed line 1 in source list /etc/apt/sources.list.d/docker.list (type)"?

In addition to the central /etc/apt/sources.list, there's a directory that can contain individual files with sources. This directory is /etc/apt/sources.list.d/. This type of setup, a central config ...
Henning Kockerbeck's user avatar
0 votes

A "failed to fetch" error occurs when apt-get update is run. How do I fix this?

I've had this happened before, Go to the update manager "software and sources" and download the updates from your home country server or try a different country's server, otherwise from the ...

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