Identify / Test file types in Linux using C program stat API
The file mode, stored in the st_mode field of the file attributes, contains two kinds of information: … Read more
Linux, OS Concepts and Networking
Simple wifi packet sniffer to capture every packet received on wlan0 interface
This program captures the network packets received on wifi interface. If you don’t know which interface to … Read more
C program to monitor and notify changes in a directory / file using inotify
Sometime we need to monitor some directory or file for some changes in it and based on … 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 … Read more
Capture and analyze network packets using tcpdump and tshark
We can use tcpdump to capture the packets whereas tshark to analyse the packets. Using above help, … 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 … Read more
Shell script for switching wifi channel using hopping
Using the below script we tries to connect to different wifi channels of hotspot using iwconfig command. … Read more
Turn Your Linux PC Into Bluetooth Speakers For Your Mobile Phone
This post shows steps to Play Songs from mobile and listen on laptop/desktop speaker over Bluetooth. The … Read more
Configure Ubuntu 16.04 as Bluetooth A2DP Sink
This post shows steps configure Ubuntu 16.04 as Bluetooth A2DP Sink. When Ubuntu is acting as A2DP … Read more
Network throughput measurement using netperf
Netperf is a benchmark that can be used to measure various aspects of networking performance. Its primary … Read more