Browsing All posts tagged under »debian«

Encrypting data on USB flash drives with LUKS

August 25, 2011

4

I wanted to explore a different way to encrypt data on portable USB flash drives other than Truecrypt, so I checked what could be done with Linux Unified Key Setup (LUKS). LUKS is an encryption method that is implemented on Linux by “cryptsetup” package, and on Windows by¬†FreeOTFE. It encrypts a partition or a file […]

Mixing Debian testing and unstable packages

August 7, 2011

5

I installed Debian testing (wheezy) on my workstation about a month ago. Recently I wanted to install some packages, but they were not in the testing repository because they were blocked by the automatic rules that make a package transition from unstable to testing. For example, the arduino package was held down by gcc-avr and […]

Compiling Linux kernel 3.0 with Emdebian ARM toolchain

July 24, 2011

16

The Emdebian project works to bring Debian on embedded platforms, with repositories of custom distributions and toolchains to cross-compile software. I wanted to try their ARM toolchains, and coincidentally the Linux kernel 3.0 has been released in these days, so I tried to cross-compile it and emulate it on QEMU. These tests have been done […]

Changing amixer volume with mouse buttons

July 12, 2011

3

I have a multi-button mouse (the Trust MI-2950R) with left and right wheel tilt, back and forward thumb buttons and a couple zoom buttons. I want to use them efficiently, and in my case, since I rarely use the horizontal scrolling, I wanted to map on the left-right wheel tilt another function that I use […]

Moving away from Ubuntu

July 10, 2011

15

I decided to abandon Ubuntu on my home desktop after the upgrade to 11.04 Natty Narwhal. I knew there were some things that I couldn’t like, but I didn’t know it would cripple the very base of the operating system. These are the things that went bad: The upgrade finished with obscure errors. can’t log […]

QEMU raw images real size

May 8, 2011

3

Today I noticed a nice thing about using “raw” hard disk images with QEMU: the images are sparse files. What does it mean? Sparse files are an useful feature of many file system formats that saves space in case of files that contain chunks of zero data. My host’s file system is formatted with ext4, […]

Trying Debian for ARM on QEMU

October 17, 2010

9

Many Linux developers in these years are working on porting Linux software on ARM architectures. Debian in particular offers the full distribution to be installed on supported devices, and I wanted to try it out. There are already images prepared for the Versatile platform (thanks to Aur√©lien Jarno), and with them it is possible to […]

Linux NFS Root under QEMU ARM emulator

April 27, 2010

43

Booting Linux on QEMU ARM emulator mounting the root filesystem through NFS exports.

Booting Linux with U-Boot on QEMU ARM

April 12, 2010

125

Using QEMU to emulate the complete boot procedure of an ARM system using U-Boot, the Linux kernel and Busybox.

Scratchbox on Ubuntu

March 14, 2010

21

Scratchbox is a framework to help developers with cross-compilation of Linux software. Cross-compilation is the process of compiling a program that will run on a machine with an architecture different from that of the compiling machine; Scratchbox eases this task using a combination of chroot environment, cross-compiling toolchains (like CodeSourcery) and emulation (like QEMU). Ubuntu […]

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