Month: January 2012
How to unmount an encrypted partition?
Unmount the partition umount /mnt Unmap the partition cryptsetup luksClose securebackupRead More
How to mount an encrypted partition?
Map the partition cryptsetup luksOpen /dev/sdXN securebackup Mount the partition mount /dev/mapper/securebackup /mntRead More
How to setup partition encryption?
To setup partition encryption on Ubuntu, perform the following steps: Install the required software apt-get install cryptsetup For more security, erase the partition you want to encrypt with one ofRead More
How to backup and restore Windows 7 activation files
It is possible to backup and restore the activation status of Windows 7 Backing up the activation files To backup the activation status, backup the following files. Administrator access rightsRead More
How to use the loop device on Unix?
The loop device on Unix lets access a file as a block device. Disks are block devices. So, it is possible to use a file as a disk. The firstRead More
How to control the brightness of the display from command line?
You can set the brightness of the display by issuing this command within a shell echo 3 > /sys/class/backlight/acpi_video0/brightness where 3 is the brightness level. Its value is from 0Read More
How to restore the normal scroll bars in Ubuntu 11?
Simply create a file named /etc/X11/Xsession.d/80overlayscrollbars and put into it the following line: export LIBOVERLAY_SCROLLBAR=0 or simply execute the following command echo “export LIBOVERLAY_SCROLLBAR=0” > /etc/X11/Xsession.d/80overlayscrollbars You need to doRead More