Create an ext3 or an ext4 partition without a journal July 16, 2012
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Create an ext3 or an ext4 partition without a journal

July 16, 2012 · admin Ubuntu 11.10 Unix Ubuntu 11.04 Ubuntu
Most of the time, having a journal for ext3 and ext4 partitions is pretty useful. Nevertheless, you can prevent creating a journal by adding the option ^has\_journal. For example:

Initializing a brand new disk with "parted"

June 16, 2012 · admin Ubuntu 11.10 Unix Ubuntu 11.04 Ubuntu
"parted" is a replacement for "fdisk" of Linux.  It can handle disks larger than 2 TB.  Issue this command to launch "parted" where /dev/sdL is the disk you want to initialize.

How to unmount an encrypted partition?

January 29, 2012 · admin Unix Ubuntu
Unmount the partition

How to mount an encrypted partition?

January 29, 2012 · admin Unix Ubuntu
Map the partition

How to setup partition encryption?

January 29, 2012 · admin Unix Ubuntu
To setup partition encryption on Ubuntu, perform the following steps: Install the required software

Useful WiFi related commands

iwconfig wlan0 up iwconfig wlan0 channel 1 iw reg get iw reg set JP ifconfig wlan0 hw ether de:ad:be:ef:c0:fe macchanger -r wlan0