Monitoring performance with time
The time command is an excellent tool for analyzing the performance of a shell script or command. Simply type time followed by the command that you wish to time. Three re…
Watch your BIOS settings with dmdeicode and biosdecode
The Desktop Management Interface (DMI) generates a standard framework for managing and tracking components in a desktop, notebook or server components , by abstracting these components from the software that manages them. Modern mot…
What is your favorite command on terminal ?
I am an avid terminal user and try to work directly on $ prompt as far as possible. If you are a command line geek, the following command can display the 10 commands that you use most often.
$ history | awk ‘{pri…
Manipulate images with ImageMagick
Images can be easily manipulated from terminal with image magic package. On ubuntu systems , imagemagick can be installed as below.sudo apt-get install imagemagick
Here are some tricks that I use wit…
Head and Tail Commands
Today we will discuss two commands that we be very helpful when working with large files based on text. These are the commands head and tail.
Sometimes we have to open text files with a considerable size when in fact we see a few l…How to eject a stuck CD/DVD
Some times CD/DVD drives get stuck and will not eject even if you press the eject button on the front panel. The is especially true when any application that was using the CD drive has gone astray. You can try the f…
How to spoof MAC id
Here we go, assuming you want to change the MAC id for eth0.
sudo ifconfig eth0 down
sudo ifconfig eth0 hw ether 00:00:00:00:00:00 (choose your mac here)
sudo ifconfig eth0 upHow to play DVD Movies in Ubuntu Linux 10.10
See How to play DVD Movies in Your Ubuntu Box Ubuntu 9.04, 9.10, 10.04 (i386, amd64) and 10.10Install the libdvdread4 package (no need to add third party repositories) via Synaptic or command line:…
Install the libdvdread4 package (no n…Play wormux on Ubuntu
Wormix is a clone of classic arcade game worm. It is under active development under a free licence. Recently, wormix project has released version 0.9.1 of this beautiful game. It is available for ubuntu on a PPA. You can try out wormix installing it from PPA.
sudo add-apt-repository ppa:wormux/ppa sudo apt-add-ppa repository: wormux / ppaThen update the packages and install wormix.
$sudo apt-get update & & sudo apt-get install wormux
A demo of wormix can be seen on the following video.
Monitoring System Usage with systat
An overburdened CPU is another obvious place to look for performance problems
on your system. Similarly io can be a bottleneck in proper system performance. You can watch various parameters if you install sysstat package.
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