Saturday, September 24, 2016

package management - How do I enable the "Universe" repository from the command line?


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 http://archive.canonical.com/ $(lsb_release -sc) partner"



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


sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) main universe restricted multiverse"

So for just "Universe" would be


sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(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 http://archive.ubuntu.com/ubuntu lucid main universe restricted multiverse and save and see in Software sources nothing is ticked. Then do


 sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) universe"

& that makes Just universe ticked.
For all enabled do


sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(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 http://archive.canonical.com/ubuntu $(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 https://help.ubuntu.com/community/Repositories/Ubuntu


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