On a stock system with no custom configuration, it should be safe to enter y here.On a system you have modified heavily, you may wish to enter d and inspect the list of packages to be removed, in case it includes anything you'll need to reinstall later.You need NOT to make any changes to this file until and unless you need extra repositories for your setup.Type the following apt-get command: in addition to performing the function of upgrade, also intelligently handles changing dependencies with new versions of packages; apt-get has a “smart” conflict resolution system, and it will attempt to upgrade the most important packages at the expense of less important ones if necessary. The /etc/apt/file contains a list of locations from which to retrieve desired package files. It works like Microsoft or Red Hat update manager i.e.Next, you may be warned that a mirror entry was not found. This download will take about 46 seconds with your connection. Once the download has finished, the process cannot be canceled.
If package is already installed it will try to update to latest version.
First, open the Terminal application and type following two commands (Application Please note that above two commands will fetch files from the Internets or local mirrors.
The location of update pages is specified in /etc/apt/(repositories).
If anything goes wrong with the running ssh you can still connect to the additional one.
If you run a firewall, you may need to temporarily open this port.