Follow these steps: Depending upon your desktop, you will either use the GNOME or the KDE front-end for Package Kit.In order to open up this tool you simply go to the Administration sub-menu of the System menu and select the Software Update entry.¬† When the tool opens (see Figure 3) you will see the list of updates.Now some updates may require either you to log out of your desktop and log back in, or to reboot the machine.There are is a new tool in development (Ksplice)¬† that allow even the update of a kernel to not require a reboot.To get information about a particular update all you need to do is to select a specific package and the information will be displayed in the bottom pane.
Granted only two distributions were touched on here, but this should illustrate how easily a Linux installation is updated.
Using the command line tool has one drawback - in order to check to see if you have updates, you have to run it manually.
Let's take a look at how to update your system with the help of Apt.
They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
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