you need
  • operating system Ubuntu Linux.
Speaking abstractly, repository - a kind of a network drive on which distributions are absolutely all the programs.What gives?You do not need to store the new releases on your hard drive, everything will be close at hand (if the Internet).Obvious advantage of this method for downloading software - your minimum participation.Window application downloads appear on the screen automatically (after receipt of the new software versions).
to configure a list of repositories need to click on the menu "System", select the "Administration", then click on the line "Software Sources".It appeared on the screen lists the settings window, which has several tabs.The first tab will be given the official repositories, which are
in any assembly OS Ubuntu.It is recommended to checkmark the first 4 points.The last point is needed for those who have no connection to the Internet.
On the next tab, you can add any repository or disk that has software distributions.Click "Add" button in the dialog box, enter the address of the string copied repository, for example, Enter, to add this address.
next tab - "Updates" - used to schedule updates.It is recommended that the block "Automatic Updates" to set a value of "daily" - every day when the computer boots your system will be checked all the lists repositories .When you are new versions of the products, other than those already installed on the hard disk will be downloaded and installed an updated distribution.
Click "Close" to save the changes and update the list all repositories .A window will appear, which will search for the available software versions.If found to be the new version, they are copied to a temporary folder and installed.
to launch a separate window lists updates you need to click "System", select the "Administration" and click on the line "Update Manager".