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?
Unmount the partition
How to mount an encrypted partition?
Map the partition
How to setup partition encryption?
To setup partition encryption on Ubuntu, perform the following steps:
Install the required software
Useful WiFi related commands
· admin
Ubuntu 11.10
Unix
Ubuntu 11.04
Ubuntu
Linux
Debian
WiFI
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
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