Firefox will automattically check for the latest updates and apply them. If this does not work for you, you can go to the help menu in Firefox and run “Check for updates”.
The people at Gmail want you to come up with your own short video depicting how your Gmail message travels around the world before it reaches you or it’s destination.
As a Linux administrator it is sometimes necessary to stop users from login in to your box. This scenario is typically seen during system maintenance cycles, critical updates or scheduled/unscheduled software installs.
The easiest way to accomplish this is to simply create a nologin file in /etc/ .
To stop users from login in run the following command.
# touch /etc/nologin
To reverse the effect and allow users to log in run the following command.
# rm /etc/nologin
The above commands work fine on my CenOS5 and openSUSE 10.2 machines.
