Resetting your systems root password may be a necessary step if you have forgotten it or have bought a used computer which you don't want to setup anew. Doing so without any installation medium saves you a blank CD and a bit of time. To start, restart your computer and get to the GRUB menu ... Read more
To encrypt folders on Linux Ubuntu there is a simple program called Cryptkeeper which, while active, lets you mount and dismount password protected folders. While unmounted, the encrypted folders are invisible to the user. While mounted, you need to enter the password to access its contents. To create a new encrypted folder just click on ... Read more
After crashing your system and getting entertaining colored screens on boot, you may have to consider booting in live mode from a bootable device such as an installation DVD or a USB-device. However you'll need to be able to log in as root in most cases to make changes in configuration files and others to ... Read more