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Development, Debugging and Performance Tools

Effective Debugging Techniques for Embedded Linux Development

Debugging is an essential skill for any developer, especially when working with embedded Linux systems. These systems … Read more

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 CPU, Memory, I/O and Processes on Linux

A high load average, low “free” memory, or busy disk is a clue—not a root cause. Use interval-based Linux tools to separate CPU saturation, memory reclaim, swap, storage latency, network load, process behavior, and cgroup pressure before restarting or killing anything.

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

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

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

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

Format and Validate HTML, CSS, and JSON Safely

Formatting makes code consistent; linting catches suspicious patterns; validation checks a grammar or schema; minification optimizes delivery. Build a pinned local workflow for HTML, CSS, and JSON without pasting private source into an unknown website.

Run OpenGrok Code Search on Ubuntu

The old Java 8, Tomcat 8, and Snap ctags recipe no longer matches OpenGrok’s requirements. This deployment uses the maintained official container, pins a release, keeps source read-only, persists index data, binds locally, and explains indexing and upgrades.