Here is a small note on how to install U-Boot tools to manage boot loader from linux environment. This will provide a tool for printing environment for the bootloader U-Boot (fw_printenv) and modifying the same (fw_setenv). 1. Install the necessary U-Boot support packages # apt-get install u-boot uboot-envtools You can find your MTD partition information…
How to build and install custom linux kernel for QNAP Server based on ARM Kirkwood platform?
by Black God • • 3 Comments
Recently I had to install a custom kernel for my Home server based on ARM kirkwood platform powered by Debian GNU/Linux. Here I have documented this for my future reference and also for your reference. Hardware System QNAP Home Server TS-110 Marvell Kirkwood platform based on ARM Debian GNU/Linux 6.0 (Squeeze) based on 2.6.32 kernel…
How to use C library in python? (Generating Python wrappers for C library)
by Black God • • 0 Comments
Update: Thanks to reddit readers, I have updated this write-up with ctypes also. This is a simple example to quick learn how to generate a python wrapper for C library. I don’t explain more. Just code example and console output should be sufficient to get the point. Here we have a shared library called flags…
How to prepare anaconda updates image for Red Hat Enterprise Linux and Fedora
by Black God • • 1 Comment
Anaconda is the installer tool for Red Hat Enterprise Linux and Fedora. This tutorial is applicable for their derivatives like CentOS and Scientific Linux also. This tutorial empowers you to fix the bugs or missing features in installer without waiting for Red Hat. The update image you generated is used while installing. Anaconda update image…
Tata Photon+ USB Modem (12d1:1446) configuration in Red Hat Enterprise Linux 5 and Legacy Fedora
by Black God • • 0 Comments
This post details out the usage of Tata Photon+ USB Broadband Modems in Red Hat Enterprise Linux 5.X and legacy Fedora Linux. It should be applicable for other derivatives of Red Hat like CentOS and Scientific Linux also. This USB Modem is not supported out of box in the above said OS. We need a…
HOWTO: Damn simple backup script in Linux based on rsync and NFS share
by Black God • • 1 Comment
M Home network setup is like this: A small NAS Box from QNAP (TS-110) powered by Debian (Here is how I setup this server) connected with network along with my laptop and Home PC. Laptop is powered by Linux Mint and Home PC by Ubuntu 11.10. I need to take backup of both the machines…
How to get rid of “Enter password to unlock your login keyring” in Linux Mint Debian Edition (LMDE)
by Black God • • 7 Comments
Recently I switched over to Linux Mint Debian Edition (LMDE). Here is my review on LMDE. There are some minor glitches I found while working on this system. I encounter Enter password to unlock your login keyring prompt dialog box once I logged in. In Ubuntu this dialog I have encountered after changing the user password.…
Review: Linux Mint Debian Edition (LMDE)
by Black God • • 11 Comments
I always see the Debian as distro born for Linux, with its top class package management, stable system performance, huge repository, less customization of applications and easier configuration. Once it was my main development system at home. When Ubuntu was introduced I switched over to Ubuntu, seeing it as “user friendly Debian”, with the features…
How to fix GRUB rescue prompt without Live CD? (For GRUB2)
by Black God • • 55 Comments
Recently most of the leading Linux distributions have moved to GRUB2 Boot loader. It has a long list of features. Given that it has some learning curve also. Since it is a boot loader, not an user space application, we don’t care about it till it puts us in rescue prompt :-). As usual today…
DIY: Damn cheap laptop cooling pad out of waste materials.
by Black God • • 0 Comments
Here is how I got a damn simple and cheap laptop cooling pad. In market, you can find hell lot of cooling pads in wide range of price. I just thought of trying to make a cooling pad with the materials available at home, so ultimately at the price of zero. This model does not…
How to get a productive desktop based on xmonad and xmobar?
by Black God • • 3 Comments
I am very poor in handling multiple windows in a desktop. And also my logic in getting a useful windows layout is pathetically low. Linux allows us to experiment with different window managers. So I experimented different window managers and settled with xmonad. This is a tiling window manager – i.e., windows are not overlapped,…
How to find a PCI device in linux kernel module?
by Black God • • 2 Comments
Last few days I am reading about PCI system. A part of this, I thought of getting my hand dirty by experimenting with PCI device specific code in linux kernel module. I expect the reader should have some fundamental knowledge about PCI devices and linux kernel module. Here is a damn simple kernel module developed,…
wget example tips and tricks for command line download
by Black God • • 3 Comments
Some times before I was looking for command line download tool which can download in background. Going through the man page of wget, a lot of interesting features I noticed, which we are not familiar much. Now a days I am using those features in my day to day linux life. wget is a highly…
How to make selective focus photo with point and shoot camera?
by Black God • • 2 Comments
First let me admit that I am a noob in Photography, here is my first attempt in learning something on photography. My camera is Canon Powershot SD880 IS. It is a point and shoot camera for layman like me. I like the selective focus shots very much. I know that SLR camera is the right…
Review: Knoppix 6.4.3 Live
by Black God • • 9 Comments
It is long since I tested a Linux Distribution for Review. Here I am going to share with you my opinion on Knoppix Linux Live CD operating system. Just a short introduction on what is Live CD. Basically we install operating system in hard drive, the installation process is nothing but copying the binaries from…