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Introduction By default, Nginx may expose web server and operating system information through HTTP response headers. For example, a server may return a header such as Server: nginx/1.10.0 (Ubuntu). Exposing this information can help attackers identify the web server version and operating system, which may make it easier to target… Continue Reading Hide Web Server Information and Modify Server Header on Nginx.

Introduction Docker has become one of the most widely used tools in modern DevOps workflows, and for good reason. It lets developers package an application together with everything it needs code, runtime, libraries, and system tools into a single lightweight unit called a container. That container runs the same way… Continue Reading Docker for Beginners: A Complete Guide to Installation and Essential Commands

Introduction Normally, we may need multiple domain names or subdomains to point to the same website and document root. In Apache, we can use ServerAlias for this purpose. In Nginx, we can achieve the same functionality by adding multiple domain names to the server_name directive. In this article, we will… Continue Reading How to Configure Server Alias on Nginx Web Server

Introduction There are situations where you may not be able to access the WordPress admin dashboard due to forgotten credentials, plugin conflicts, a broken dashboard, or other issues. In such cases, you can change the active WordPress theme directly from the backend by updating the theme settings in the WordPress… Continue Reading How to change wordpress themes from backend?

Introduction Changing the WordPress Site URL is a common task when migrating a website to a new domain, moving from HTTP to HTTPS, restoring a backup, or deploying a site to a new server. While WordPress provides options to update the site address from the admin dashboard, there are situations… Continue Reading Change wordpress site URL on backend(Mysql, Mariadb)

Introduction EFS can be used in scenarios where multiple servers need access to the same files and directories. Similar to NFS, an EFS file system can be mounted on multiple instances within the same AWS Region. Prerequisites Limitations Implementation Step 1: Create an EFS File System Log in to the… Continue Reading Working with EFS (Elastic File System)

Introduction Ajenti is an open-source web-based control panel that can be used to manage Linux servers through a web interface. It provides a simple dashboard for managing server services and configurations. In this article, we will explain how to install Ajenti Control Panel on an Ubuntu server and access it… Continue Reading How to Install Ajenti Control Panel on Ubuntu

Introduction Redirecting non-www requests to www is a common web server configuration used to maintain a consistent website URL. Nginx can handle this redirection using a simple server block configuration. This helps ensure that visitors accessing the website without www are automatically redirected to the www version. A permanent 301… Continue Reading How to Configure Nginx to Redirect Non-WWW to WWW

Introduction Apache Benchmark (ab) is a simple command-line utility used to perform basic load and performance testing on web servers and websites. It sends multiple HTTP requests to a specified domain or IP address and measures the server’s response. It provides useful performance metrics such as response time, requests per… Continue Reading How to Perform Load Testing Using Apache Benchmark (ab)

Form validation is an essential part of web development. It helps ensure that users enter valid and complete information before submitting a form. By validating data on the client side, you can provide instant feedback to users and reduce unnecessary requests to the server. In this tutorial, you will learn… Continue Reading Simple form jquery validation in php