Tag Archives: tool

tool, tools, applications and softwares

Working with node.js and nodemon – part 001

Node.js is a platform for easily building fast, scalable network applications. Download the archive from here. Unarchive and you can use it.

The nodemon can be used during the development of a node.js based application. How? will watch the files in the directory that nodemon was started. Also, it will automatically restart your node… Read More »

Using pdfimages – extracting images from pdf file

We can use the Linux command tool pdfimages to extract the images from the pdf file pages. To extract all image we can use this:

The your_input.pdf is your pdf file. The images-out it’s the output name of the images. The images will be saved with the name image-out like :

We can… Read More »

Record your desktop screen with ffmpeg.

This can be done with the next command:

Explanation of this command is shown below.

The frame rate in which you want to record, in this example 50 frames per seconds is used.

The screen resolution that you want to record. Do not try to use a larger screen size than your… Read More »

Testing your disks using dd utility and time.

You can execute copies a large block of data to and from disk. This will minimize disk caching. Next is one example if our test system has 1GB of RAM. It is easy ( 1GB = 250,000 blocks ).

It’s very hard to argue with this dd test.