F.A.Q
The mail() function is built into PHP and is used to send emails directly from a web server. It’s a simple way to send notifications, contact form messages, order confirmations, and other types of messages. Suitable for basic email functionality without using external libraries. How mail() Works When you call the mail() function, PHP passes […]
If a website suddenly stops opening on your computer — but works fine for others — your system may be using outdated connection data.This usually happens when your computer is still trying to connect to an old server address stored in the DNS cache — a temporary record of domain-to-IP mappings.In this article, you’ll learn […]
How to Find a Specific File by Content in Linux Whether you’re auditing source code, debugging config issues, or searching logs, Linux offers powerful tools to search files by their content—not just by name. With the right command-line utilities, you can find exact strings, patterns, or even multiline matches across thousands of files in seconds. […]
Secure Shell (SSH) provides a secure and encrypted way to access and manage remote servers. One of the most common tasks that system administrators and developers perform over SSH is creating and editing files. This article will guide you through the basic steps of file management over SSH using built-in command line editors. Connecting to […]
If your website suddenly stops loading, don’t panic.Unexpected downtime can happen for many reasons — from issues in the server environment to DNS misconfigurations, faulty scripts, or even browser-level caching. Fortunately, most of these issues can be identified and resolved in just a few minutes if you follow a clear troubleshooting process.This guide explains what […]
Creating a Custom Cron Job on Linux Automating routine tasks is essential in any robust system administration or web development workflow. Cron jobs provide a powerful, time-based job scheduler in Unix-like operating systems, allowing you to run scripts or commands automatically at scheduled intervals. What Is a Cron Job? A cron job is a scheduled […]
Whether you’re launching your first website or managing an existing one, accessing the WordPress admin dashboard is your starting point for editing content, installing plugins, and customizing your design.This guide walks you through how to log in, what to do if you forget your password, and how to protect your admin area from unauthorized access. […]
Changing your email account password regularly is one of the simplest and most effective ways to protect your data, ensure secure communication with your mail server — whether you’re using shared hosting, a virtual private server , or a dedicated server — and prevent unauthorized access to your email services. Here’s how you can change the […]
By default, PHP sets a memory limit to prevent inefficient scripts from using up all available server resources. While this helps maintain server stability, it can also cause problems for modern websites and CMS platforms like WordPress, Joomla, or custom-built applications that require more memory to run smoothly. If you’ve encountered errors such as “Allowed […]
Whether you’re running your site on shared infrastructure, a virtual machine or a dedicated server ,installing an SSL certificate enables both HTTP and HTTPS access. Only HTTPS encrypts the data exchanged between the server and your visitors. To ensure full security and SEO compliance, you should enforce HTTPS site-wide using .htaccess. Prerequisites Before proceeding, make […]