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I'm currently trying to add and remove packages from the ubuntu 22.04 ISO, and upon trying to remove firefox, I get this:

root@cubic:~# apt remove firefox
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package 'firefox' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

after this, I tried installing neofetch as a test, which resulted in this:

root@cubic:~# apt install neofetch -y
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package neofetch

I am using the standard ubuntu 22.04 desktop ISO from canonicals site, and I have very little experience with cubic. I have watched tutorials on cubic for older versions of linux, but after trying the same process with their version the problems are unchanged. Any ideas would be great Thanks!

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    firefox in 22.04 is provided by a snap, not a deb, so apt cannot see it. neofetch is in the universe packet of the Ubuntu repositories; ensure that you have universe enabled. – user535733 May 11 '22 at 20:40

1 Answers1

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I'll answer the second part of your question first.

You are unable to install packages because you have not added the appropriate repositories in /etc/apt/sources.list.

The neofetch package is in the universe repository.

It's a good idea to make sure you have all the important repsotories; to do that, use the following commands:

add-apt-repository --yes main
add-apt-repository --yes restricted
add-apt-repository --yes universe
add-apt-repository --yes multiverse

Then execute apt install neofetch and it will work.

Regarding the first part of your question, @user535733 is correct: Firefox is a snap in Ubuntu 22.04, so you can not use apt to manage it.

Unfortunately, you can not use snap commands in Cubic's terminal environment because services such as snapd do not run.

However, you could remove snap (and consequently remove all snap packages), then simply install the deb versions of those packages.

To remove snap, execute:

apt purge snapd

To install the deb version of Firefox, follow the instructions in this answer.

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