I installed Ubuntu 16.04 LTS a while back.

I just noticed that when I open Software & Updates the tab says Debian Software instead of Ubuntu Software as shown in the attached image:

How do I fix this?

  • 1
    It's probably just a cosmetic discrepancy. If you wanna make sure everythin is fine, check /etc/apt/sources.list. Run cat /etc/apt/sources.list and share your results back... hmm... weird, on my synaptic screen it does show "Ubuntu Software"...
    – Samuel
    Feb 23, 2017 at 9:16
  • 1
    Question has been asked before here: askubuntu.com/questions/855437/…, but it has no answers. If no one can find a dup or answer by tomorrow, I will place a bounty there. I'm currently waiting for Darrel's update on that sources.list tho.
    – Samuel
    Feb 23, 2017 at 9:33
  • @SamuelSantana I actually tried to fix it recently by deleting it and trying to start fresh, it now only contains deb http://archive.ubuntu.com/ubuntu xenial restricted main universe multiverse # deb-src http://archive.ubuntu.com/ubuntu xenial main universe restricted multiverse However, my PPAs under other software still persist. Feb 23, 2017 at 16:21

1 Answer 1


We will need to edit /etc/apt/sources.list. To do this open your terminal and type in sudo gedit /etc/apt/sources.list (you can use the text editor of your choice), now remove everything and add:

# Ubuntu main repos

deb http://archive.ubuntu.com/ubuntu/ xenial main universe

# Ubuntu security

deb http://security.ubuntu.com/ubuntu xenial-security main universe

# Ubuntu updates

deb http://archive.ubuntu.com/ubuntu/ xenial-updates main universe

Save your changes and exit the text editor. Go to your terminal, type in: sudo apt-get update. Check if your problem was solved.

For more information on what I just told you to do, you can find it here.

  • Well, it still looks like it does above but now I can at least download from the Ubuntu repositories. Thank you Samuel. Feb 24, 2017 at 19:06
  • Glad to be of help. If I have some time I'll look into that other cosmetic issue. Just one last thing: now you should be able to enable/disable repositories from the GUI, the "normal" way... am I right?
    – Samuel
    Feb 24, 2017 at 21:02
  • If you mean the Software & Updates GUI, yes I can open it and enable/disable repositories by going to the Other Software tab. Feb 24, 2017 at 22:01

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