Use hcitool to get Bluetooth device information

Below commands are shown for communication between Linux Laptop and Samsung Mobile to get Mobile bluetooth device … Read more

Monitor Memory, CPU usage, processes i.e. system resources on Linux


System administrators need to monitor their server to ensure proper functioning. The practice enables administrators to detect … Read more

How to Check Memory Usage in Linux using SMEM ?


smem is a tool that can give numerous reports on memory usage on Linux systems. Unlike existing tools, … Read more

Online tools for Software Developers from ExtendsClass

The ExtendsClass website provides a wealth of free online tools that make work-life easier for developers. No … Read more

How to record and replay Linux terminal commands ?

If you want to capture something like commands when you are installing some software, compiling some opensource … Read more

Meaning of “CONTENTS, ALLOC, LOAD, READONLY, CODE” in ELF sections

Once we disassembled the ELF to check the sections using “objdump” command, we can see the lines … Read more

How to check sections and its memory map of Binary / ELF using GDB ?

In this post, we hope you already have GDB debugging setup already done for your development or … Read more

How to use mtrace to detect memory leaks in executable in Linux ?

The mtrace() function installs hook functions for the memory- allocation functions malloc, realloc, memalign, free. These hook … Read more

HTML Tag formatter, CSS Minifier, CSS Formatter, JSON Validator tools

Recently, I was trying to edit some HTML code which someone else has written and got lost … Read more