How do you use terminal to enable Universe source? Or any those 4 from Software Sources: Main, Universe, Restricted, Multiverse Main is on by default and Restricted is on if durring Ubuntu installation i tick Enable Restricted Formats. Answer with line where version checked so it auto detects it. Like command I know for partner but that goes to Other Software tab sudo add-apt-repository "deb $(lsb_release -sc) partner"

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3 Answers

I finally found answer myself. To put all ubuntu sources to work without clicking them just enter in terminal

sudo add-apt-repository "deb $(lsb_release -sc) main universe restricted multiverse"

So for just "Universe" would be

sudo add-apt-repository "deb $(lsb_release -sc) universe"

You can then check in Software sources it will show it works now. You can delete manually from sudo gedit /etc/apt/sources.list line lucid main universe restricted multiverse and save and see in Software sources nothing is ticked. Then do

 sudo add-apt-repository "deb $(lsb_release -sc) universe"

& that makes Just universe ticked. For all enabled do

sudo add-apt-repository "deb $(lsb_release -sc) main universe restricted multiverse"

you can add also partner repository with different link (see difference is ubuntu to canonical)

sudo add-apt-repository "deb $(lsb_release -sc) partner"

$(lsb_release -sc) makes checking your Ubuntu version and putting its name in link. Since 10.04 is called lucid then you can test in terminal lsb_release -sc gives word lucid Thats makes added repository link precise name of your ubuntu Release in Software sources. Wrong word and noting will work.

for all differences in repositories read

As of Ubuntu 12.10, you can run:

sudo add-apt-repository universe

Which is easier than running sed over sources.list files, and will take into account which of -updates/-proposed/-backports is enabled.

You can go back with the --remove flag, but you'll still have to remove the packages:

sudo aptitude purge '~i ~s universe/'

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Universe is enabled by default so you usually don't need to do this. You could edit the sources file from the terminal:

sudoedit /etc/apt/sources.list

And then uncomment the universe sections of the following lines:

#deb precise universe
#deb precise-updates universe

The Ubuntu help page may be of use. And if you want to enable it via the GUI:

• How do I enable the "Universe" repository?

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