Screen Command

Run Shell Scripts in Background Using Screen Command in Linux

In Linux, long-running shell scripts or commands can get interrupted if you close the terminal or lose … Read more

Array of structures in C

Array of Structures in C: Complete Guide with Examples & Use Cases

In C programming, structures let you group related variables under a single data type. But what if … Read more

Initialization in C

Structure Initialization in C: A Complete Guide with Examples

Structures are essential for organizing related data in C. Whether you’re building linked lists, parsing hardware registers, … Read more

Bitfields in C

Bitfields in C: Master Efficient Memory Usage with Practical Examples

In low-level programming—especially embedded systems—every bit of memory counts. C’s bitfield feature allows you to pack data … Read more

TFTP

How to Load Kernel, Bootloader & Filesystem Images via TFTP on Embedded Targets

TFTP (Trivial File Transfer Protocol) is a lightweight file transfer protocol ideal for embedded systems. It’s commonly … Read more

ARP

What is ARP? Understanding Address Resolution Protocol Basics (Simple Guide)

When two devices on a local network need to communicate, they don’t rely solely on IP addresses—they … Read more

Check Internet Connectivity

Check Internet Connection Using Bash Script (Simple & Effective Guide)

In many scenarios—like automation, cron jobs, or IoT devices—you need to verify internet connectivity before continuing a … Read more

Fix Git Error “fatal: unknown index entry format 0x16700000” (Quick Solution)

You’re trying to run a basic Git command—like git status, git add, or git commit—but Git suddenly … Read more

Interrupt Handler

How to Implement an IRQ Interrupt Handler in a Linux Kernel Driver (Full Guide)

Interrupts are vital for real-time responsiveness in Linux kernel modules. Whether you’re writing drivers for GPIOs, network … Read more

GDB Breakpoints

Master Breakpoints in GDB: Set, Manage, and Use Like a Pro (Linux Debug Guide)

GDB (GNU Debugger) is the go-to tool for debugging C and C++ programs on Linux. One of … Read more

Exit

undefined reference to _exit” Error in ARM Toolchain (Easy Guide)

When compiling C code for embedded systems using the ARM GCC toolchain, you might encounter the following … Read more

Using GDB

How to Use GDB to Debug C Functions in Separate Files

C projects often span across multiple files for better code organization. But debugging across them—especially when a … Read more