How to remove linkwithin from your blog

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Check the Expand Widget Template.

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var linkwithin_site_id = xxxxxx;

Hack id by placing another 0 at the back or whatever.
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It's gone.

How to check hardware specification in Linux

You may at times need to know about the hardware information of you computer for many reasons, such as to find a correct driver or to check everything when you want to buy a used computer. In Windows, the only tool I know is Speccy but in Linux, I'm quite familiar to some different tools. In this article, I will introduce the tools that are used with the command line only, so you wont find any tool with a graphic interface here. Also, I assume that these tools are not preinstalled in your distro by default (since I'm using Arch Linux) so just skip the installation part if you already have these tools in your system.

1 - check the /proc/ folder

The /proc/ folder has many useful files to check hardware info. The most popular files are /proc/cpuinfo (about processor info), /proc/meminfo (about RAM memory) and /proc/partitions (a full list about all disk partitions). To check these files, you can go directly to the folder and open these files with the default text editor. You can also run the "cat" command to display these files on the terminal. For example, you can run the following command to display processor info on the terminal:

 cat /proc/cpuinfo  

2 - lshw

lshw is a small tool (just about 1MB) to extract detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, mainboard configuration, CPU version and speed, cache configuration, bus speed, etc. Last time I checked, lshw is preinstalled in Ubuntu by default so you can skip the installation part (but I'm not so sure about that). To install lshw in Ubuntu and other Debian based distros, run this command:

 sudo apt-get install lshw  

If you use Arch Linux, run the following command to install it.

 sudo pacman -S lshw  

If you want lshw to give a full list of hardware info in details, just run this command (the list is quite long so it may take a little time to scan and display the info )

 sudo lshw  

If you just need a short list about hardware, you can use the following command

 sudo lshw -short  

The image below is the hardware info of my laptop after I run the short lshw command: how to find hardware info

To find the info of one specific class with lshw, say the processor, you can run the following command

 sudo lshw -class processor how to check hardware info

3 - hwinfo

Hwinfo is another useful tool to get hardware info. It is used to probe for the hardware present in the system and can be used to generate a system log. Hwinfo is my favorite tool so far – it gives more detaiks about the system hardware specification than lshw and the report is very well organized and easily accessible through command line switches.

To install hwinfo in Ubuntu and other Debian based distros, run this command:

 sudo apt-get install hwinfo  

If you use Arch Linux, use the following command:

 sudo pacman -S hwinfo  

The way you use hwinfo is quite analogous to that of lshw (however, you dont need to use the command as root for hwinfo). To get a complete report in details about all hardware components, serial number, model number, device class, descriptions, vendor, features ..., you can run this command:


If you just want the info about a particular class of hardware such as memory, processor or bios you can run a command like this:

 hwinfo --bios how to get hardware info

4 - dmidecode

Dmidecode is a very small tool (only 0.05MB) used for displaying table contents of a computer's DMI in an easy-to-read format. This table contains a description of the system’s hardware components, as well as other useful pieces of information such as serial numbers and BIOS revision.

To install dmidecode in Ubuntu and other Debian based distros, run the following command:

 sudo apt-get install dmidecode  

To install dmidecode in Arch Linux, run the following command:

 sudo pacman -S dmidecode  

To use dmidecode, just like lshw, you need to run the command as root. To get a full report about hardware info, you can run the following command:

 sudo dmidecode  

To get details about particular hardware classes you can run the commands like the example below tools to find hardware info

Resolve slow connexion when using wifi in ubuntu 11.04, 11.10 and LinuxMint 11

After installing or upgrading to Ubuntu 11.04 or 11.10 Oneiric Ocelot  you noticed that the connexion is too slow when using the wifi, this is a simple solution. This solution works also for LinuxMint.

1- First method : You need to disactivate IPv6, to do that, open terminal and enter the following commands:

echo "#disable ipv6" | sudo tee -a /etc/sysctl.conf
echo "net.ipv6.conf.all.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf
echo "net.ipv6.conf.default.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf
echo "net.ipv6.conf.lo.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf

Then restart your system.

If you still have the issue, follow also instructions on step 2.

2- Second method :  A second solution for this issue can be by using the following :

Open terminal and enter the following command:

sudo -s
gksu gedit /etc/modprobe.d/ath9k.conf

at the end of the file add this:

options ath9k nohwcrypt=1

Save an restart your OS. 

MediaDownloader – Search and Download Google Image & Youtube Videos

Mediadownloader is an opensource software that lets you search, watch and download items with Google Image and YouTube. It grabs video streams while browsing with firefox (only linux). Videos can be converted automatically using ffmpeg.

There are deb packages provide in its homepage for Ubuntu installation: 

You may get a dependence error while installing, for me it was missing libqt4-webkit and can be easily fixed by apt-get install command:

sudo apt-get install libqt4-webkit
After installation, found it under Applications -> Internet m

How to install ClipGrab on ubuntu 11.10

ClipGrab is a free software for downloading and converting online videos from many sites like YouTube or Vimeo.

ClipGrab can download from the following sites: YouTube, Clipfish, Collegehumor, Dailymotion, MyVideo, MySpass, Sevenload, Tudou, Vimeo.
Downloaded videos can be converted to the following file formats: WMV, MPEG4, OGG Theora, MP3 (audio only), OGG Vorbis (audio only).

ClipGrab isn’t limited to the sites listed above, because many more sites are supported “unofficially” through the automatic site-recognition of ClipGrab - just try it!
By the way, ClipGrab can also download HD videos from sites that have support for high definition (e.g. YouTube or Vimeo).

Install clipgrab on ubuntu 11.10 

Open the terminal and run the following commands
sudo add-apt-repository ppa:clipgrab-team/ppa
sudo apt-get update
sudo apt-get install clipgrab

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