How to remove apt repository on ubuntu 18?

[Bret Busby]

On 18/08/2021, Bo Berglund <bo.berglund at gmail.com> wrote:
> My server runs Ubuntu Server 18.04.5 LTS (GNU/Linux 4.15.0-153-generic
> x86_64)
>
> Some time ago I used these directions to install streamlink via apt:
> https://streamlink.github.io/install.html#linux-and-bsd
>
> It involved first adding a repository to apt as follows:
>
> sudo add-apt-repository ppa:nilarimogard/webupd8
>
> Then normal update and install.
>
> But this gets an *old* version of streamlink so I found that using pip would
> get
> me the latest version instead.
>
> But after using pip there are two versions of streamlink on my system so I
> decided to run:
>
> sudo apt remove streamlink
> and it worked to get rid of the apt installed streamlink.
>
> But now I also want to get rid of the repository I added to apt in order to
> get
> streamlink.
>
> How can this be done?
> Is there a corresponding remove command for apt repositories?
>
>
> --
> Bo Berglund
> Developer in Sweden
>

Assuming that you know how to use vi, then use
sudo vi /etc/apt/sources.list
and either "comment out" (by pre pending the line with a hash symbol
(#), or, delete, the relevant line.

-- 
Bret Busby
Armadale
West Australia
(UTC+0800)
..............