Electron – Framework to Develop Cross-Platform Desktop Apps

Electron is a platform for writing cross-platform Desktop applications using Web technologies — this means, instead of writing your desktop app in languages like C# or Objective C, and using frameworks like Cocoa or WPF, you write your app once in HTML, CSS, and JavaScript. Traditionally, this approach has had some significant limitations — if your app wanted to … Read more

How to compile elfutils for x86 based platforms ?

elfutils is a collection of utilities and libraries to read, create and modify ELF binary files, find and handle DWARF debug data, symbols, thread state and stacktraces for processes and core files on GNU/Linux. [ Also READ : What is the difference between elfutils and binutils ? ] Note: During the compilation of elfutils, 0.176 … Read more

How to resolve : undefined reference to `pcap_lookupdev’

If you are trying to compile any network packet capturing related program, there are higher chances you may see an errors like, This error is because, you either doesn’t have libpcap installed or its not being linked from the command line. Lets say you are trying to compile simple wifi packet sinffer based on libpcap, … Read more

C program to interact with frame buffer devices

Screen information are queried by applications using the FBIOGET_FSCREENINFO and FBIOGET_VSCREENINFO ioctls. Those ioctls take a pointer to a fb_fix_screeninfo and fb_var_screeninfo structure respectively. struct fb_fix_screeninfo stores device independent unchangeable information about the frame buffer device and the current format. Those information can’t be directly modified by applications, but can be changed by the driver … Read more

Linux test case for framebuffer driver

Screen information are queried by applications using the FBIOGET_FSCREENINFO and FBIOGET_VSCREENINFO ioctls. Those ioctls take a pointer to a fb_fix_screeninfo and fb_var_screeninfo structure respectively. struct fb_fix_screeninfo stores device independent unchangeable information about the frame buffer device and the current format. Those information can’t be directly modified by applications, but can be changed by the driver … Read more

C program to verify the integrity of a file with md5 checksum

Most of the times we downloaded some files from the internet, and we also see people provides md5sum along with the link to download. the md5sum provided is given for us to make sure, once we download the complete files, and do md5sum on our downloaded file, it should match with the md5sum provided for … Read more

sniffex – C program to Capture wifi packets using libpcap

libpcap provides functions for user-level packet capture, used in low-level network monitoring. Following program captures the packets from the wireless interface of the device on which the compiled binary will be running. We have compiled this on ubuntu 16.04, and run it on laptop with wifi interface as wlan0, hence it will capture the wifi … Read more

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