When you have reviewed the updates and unselected any you do not wish to be applied to the system press the Install Updates button to begin the update process. In the first phase, the Update Manager downloads each update package in the list.
Enter your password if prompted to do so after which the following dialog will appear displaying the progress of the updates as they are downloaded.
Please note that when you get and install the packages, you'll still have them kept in your /var directory hierarchy.
To keep your partition from overflowing, remember to delete extra files using program provides mechanisms for excluding files with names matching user-specified strings, this program is most useful when the objective is to download whole directory trees, rather than selected packages.
To take advantage of it use a source like this one: .
For details, please see the Release Notes, section "Adding APT sources from optical media".
One of Debian's goals is to provide a consistent upgrade path and a secure upgrade process.
Several different packages are available for this purpose: for more information.It is available on the Debian website at will install upgrade files in place, even on a running system.Sometimes, a revised package will require the installation of a newly revised version of another package, in which case the installation will fail until/unless the other package is installed.Of course, you can get the same benefit if you are already using a standard caching proxy and all your systems are configured to use it.Ubuntu Linux is a constantly evolving operating system.