What is JSON and Understanding JSON syntax with simple example
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and … Read more
How to add search box in websites google search results using “Sitelinks Searchbox” ?
Have you ever seen, for some websites we seen a search box appearing inside google search results … Read more
How to Send Email from Linux Command Line using SSMTP ( Ubuntu, Gmail, Amazon AWS ) ?
SSMTP is a program which delivers email from a local computer to a configured mailhost (mailhub). It … Read more
Create multiple threads, identify thread id of the current thread using pthread C library
The pthread_self() function returns the ID of the calling thread. This is the same value that is returned … Read more
Memory layout / Address space of variables in C program
Following is the program which details the simple memory layout of the c program. As we can … Read more
Linux Kernel module to reboot the system using emergency_restart API
The following kernel module calls emergency_restart function from linux kernel to reboot the device / platform. This … Read more
Identify all devices in a network using nmap and ARP scan
To identify which all devices are connected to your Router in Wireless network, we can use nmap … Read more
C program memory layout and understanding text, data, code, heap and stack segments
.bss segment .data segment The .data segment contains any global or static variables which have a pre-defined … Read more
Framework for registering Linux kernel driver as class device / How to add new class to Linux kernel
Following simple driver code shows, how to add a new class with name “hello_as_class” can be added … Read more
How to resolve : “Undefined variable: crumb” error with openclassifieds
Recently on our website which uses openclassifieds scripts for classifieds, we started getting following errors, When we … Read more
