How Blockchain Technology is Revolutionizing Supply Chain Management

Blockchain technology, best known for its role in cryptocurrencies like Bitcoin, is making waves in the world of supply chain management. Its ability to provide transparency, security, and efficiency has the potential to revolutionize how goods are produced, tracked, and delivered. In this blog post, we’ll explore how blockchain is transforming supply chain management, discuss … Continue reading How Blockchain Technology is Revolutionizing Supply Chain Management

How 5G is Revolutionizing the Internet of Things (IoT) and the Importance of Security

The advent of 5G technology is set to revolutionize the Internet of Things (IoT), bringing about unprecedented changes in how devices communicate and operate. As 5G networks roll out globally, they promise to deliver faster speeds, lower latency, and greater connectivity. This next-generation network will not only enhance our everyday mobile experiences but also unlock … Continue reading How 5G is Revolutionizing the Internet of Things (IoT) and the Importance of Security

Quantum Computing: The Next Frontier in Technology

As we forge ahead into the digital age, the limits of classical computing are becoming increasingly apparent. Enter quantum computing—a revolutionary paradigm that promises to solve problems previously deemed intractable by leveraging the strange and fascinating principles of quantum mechanics. Today, quantum computing stands on the brink of transforming industries from cryptography to pharmaceuticals, heralding … Continue reading Quantum Computing: The Next Frontier in Technology

The Rise of Artificial Intelligence in Healthcare: Revolutionizing Patient Care

In recent years, the integration of Artificial Intelligence (AI) in healthcare has sparked a revolution, transforming how patient care is delivered and managed. This cutting-edge technology, once relegated to science fiction, is now enhancing medical diagnostics, treatment plans, and operational efficiencies in hospitals worldwide. Understanding AI in Healthcare AI’s application in healthcare spans many areas, … Continue reading The Rise of Artificial Intelligence in Healthcare: Revolutionizing Patient Care

Parse URL in PHP using `parse_url` and add/modify query parameters

The parse_url function in PHP is used to parse a URL into its components such as scheme, host, path, query, and more. However, it doesn’t have a direct feature for modifying or adding parameters to a URL. To achieve that, you need to manually manipulate the parsed components and then reassemble the URL. Here’s how … Continue reading Parse URL in PHP using `parse_url` and add/modify query parameters

Preventing form re-submission on reload

Preventing form submission when a user reloads a page can be useful to avoid unintended data resubmission. You can achieve this using the Post/Redirect/Get (PRG) pattern along with JavaScript. Here’s how you can do it: Server-side Handling (Post/Redirect/Get Pattern): When the form is submitted, process the data on the server, perform the necessary actions, and … Continue reading Preventing form re-submission on reload

Add a background color to echo statements in a Bash script

To add a background color to your echo statements in a Bash script, you can use ANSI escape codes for text formatting, just like you did for text color. In this case, you’ll use codes for background colors. Here’s an example of how you can do it: #!/bin/bash # Text colors RED=’\033[0;31m’ GREEN=’\033[0;32m’ YELLOW=’\033[0;33m’ NC=’\033[0m’ … Continue reading Add a background color to echo statements in a Bash script

Identify security properties on Linux using checksec

Compiling source code produces a binary. During compilation, you can provide flags to the compiler to enable or disable certain properties on the binary. Some of these properties are relevant to security. Checksec is a nifty little tool (and shell script) that, among other functions, identifies the security properties that were built into a binary … Continue reading Identify security properties on Linux using checksec

Create and Manage Cron Jobs on Linux

Cron is one of Linux’s most useful tools and a developer favorite because it allows you to run automated commands at specific periods, dates, and intervals using both general-purpose and task-specific scripts. Given that description, you can imagine how system admins use it to automate backup tasks, directory cleaning, notifications, etc. Cron jobs run in … Continue reading Create and Manage Cron Jobs on Linux

Linux iptables Firewall

Today we will discuss in detail the Linux iptables firewall and how to secure your server traffic using that awesome firewall. Table of Contents– Iptables on CentOS 7 How Linux firewall works Firewall types iptables firewall tables Table chains Chain policy Adding iptables rules iptables rules order List iptables rules Deleting Rules Replacing Rules Listing Specific Table … Continue reading Linux iptables Firewall

How to Block IP Address with .htaccess

Quick post today showing some different ways to block visitors via their IP address. This can be useful for a variety of reasons, including stopping some stupid script kiddie from harassing your site or preventing some creepy stalker loser from lurking around your forums or even silencing the endless supply of angry trolls that never seem to … Continue reading How to Block IP Address with .htaccess

Managing PING through iptables

PING – ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software. Blocking PING on the server is helpful sometimes, if the server continues to face any type of DDoS … Continue reading Managing PING through iptables

Checking whether the underlying architecture is little-endian or big-endian using C

Big-endian and little-endian are two formats to store multibyte data types into a computer’s memory. These two formats are also called network byte order and host byte order respectively. In a multibyte data type such as int or long or any other multibyte data type the right most byte is called the least significant byte and the left most byte is called the most significant byte. … Continue reading Checking whether the underlying architecture is little-endian or big-endian using C

How to switch from root user to non-root user during execution using C on Linux

Setuid Program Example Here’s an example showing how to set up a program that changes its effective user ID. This is part of a game program called caber-toss that manipulates file scores that should be writable only by the game program itself. The program assumes that its executable file will be installed with the setuid bit set and … Continue reading How to switch from root user to non-root user during execution using C on Linux