# Ubuntu Main Reposĭeb precise main restricted universe multiverseĭeb-src precise main restricted universe multiverseĭeb precise-security main restricted universe multiverseĭeb precise-updates main restricted universe multiverseĭeb precise-proposed main restricted universe multiverseĭeb precise-backports main restricted universe multiverseĭeb-src precise-security main restricted universe multiverseĭeb-src precise-updates main restricted universe multiverseĭeb-src precise-proposed main restricted universe multiverseĭeb-src precise-backports main restricted universe multiverse This is the sources.list file for 12.04 Precise Pangolin. (This image is later added from Ubuntu xenial, so there can be some differences) I recommend selecting the security and updates channels at least. To do so, switch to Updates tab and select one or more updates channel.
#Duplicate detective damage re download it software
You must enable some repositories from the new window in order to create a new sources.list file in /etc/apt/.Īfter enabling some sources from Ubuntu software tab, you can enable updates.
Then, change the server to Main server or to any other server of your choice. This will open software-properties-gtk with no repository selected. Open Software & Updates software-properties-gtk
Move the corrupted one to the safe place sudo mv /etc/apt/sources.list ~/Īnd recreate it sudo touch /etc/apt/sources.list
Open a terminal ( Pressing Ctrl+ Alt+ T ) and do these