Friday, August 11, 2017

package management - How do I enable the "extras" repository?



I keep reading about an extras repository for Ubuntu with new software that comes out independently of the distro release. How do I enable it?



This repository should be enabled by default and is only available for 10.10 and up.





In the Software Center (Applications -> Ubuntu Software Center) navigate to Edit -> Software Sources...




software sources



From there navigate to the Other Software tab and ensure the Independent sources are selected



independent



Press close and allow the sources to reload.






Open the APT Sources list



sudoedit /etc/apt/sources.list


Locate the lines which say



deb



Remove the hash (#) tag from those lines. If the hashes are not present then that source is already enabled. If those lines aren't there at all you will need to add them to the bottom of the file:




deb http://extras.ubuntu.com/ubuntu precise main
deb-src http://extras.ubuntu.com/ubuntu precise main


Close the editor and run



sudo apt-get update



This will download the package cache from the extra's location.



Reference:




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