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Start an Ubuntu Gnome Application as Root from your Toolbar

When you use Ubuntu X11 you at times want to start an application as Root.

In your console you'd use the sudo tool which gives the command temporary super-user powers.

sudo my-command

In Ubuntu Gnome you can do the same using the gksu command. So add an icon, enter the usual information, and for your command, add gksu in front of it. When clicked, you'll first get a prompt asking you your sudo password, then the command is executed as if the root user had started it.

gksu faxanwer ttyS0
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  • reboot

    The action of restarting a computer is called reboot. This reloads the operating system and your different auto-start software.

    There are two types of reboots: a cold reboot and a warm reboot.

    The cold reboot is the one where you turn your computer all the way off and back on. It is considered to be the ultimate reboot which ensures that everything is alright.

    The warm reboot is when you just reboot your operating system. This means some of the hardware parts may not be fully reset as expected in a cold reboot. There are several reasons for this, at times the BIOS of your system does not give the correct signals to all the parts, and at times the signal doesn't propagate to all the parts as it should.

    This is why a warm reboot does not always work (i.e. think when you change a driver and the new driver is not able to properly reset the state of a board or chip... turning the computer all the way off and back on may resolve the problem.)