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Introduction Managing multiple versions of Node.js on a single Linux server is a common requirement for developers and DevOps teams. Different applications often depend on different Node.js versions, making it essential to switch between versions without affecting existing deployments. Whether you’re maintaining legacy applications, testing new features, or supporting multiple… Continue Reading Install Multiple version of node on linux

Introduction A dependent dropdown list is a common feature used in web applications where the options in one dropdown depend on the value selected in another dropdown. For example, when a user selects a country from the first dropdown, the second dropdown can automatically display the states or regions belonging… Continue Reading Dynamic dependent drop-down list using HTML, PHP, MySQL, and AJAX

Introduction A dropdown list is a common form element used to allow users to select one option from a predefined list. In many web applications, the dropdown values need to be retrieved dynamically from a database instead of being manually added to the HTML code. In this post, we will… Continue Reading How to Create a Dynamic Dropdown List Using PHP and MySQL

Introduction If you use an SSH key protected by a passphrase to access your servers, you’ve probably run into the same annoyance: typing that passphrase every single time you connect gets old fast — and it gets in the way when you need to do something like clone a private… Continue Reading How to use SSH Key with passpharse for SSH forwarding

Introduction Website security is a critical aspect of server administration. Regular vulnerability assessments help identify potential security risks before they can be exploited. One of the most popular open-source tools for web server security auditing is Nikto, a powerful web server scanner that performs comprehensive tests against web servers to… Continue Reading Nikto vulnerability scan for domains|Shell script to scan cPanel accounts

Introduction When hosting PHP applications with Apache and PHP-FPM/FastCGI, you may encounter 500 Internal Server Error responses when a PHP request takes longer than the configured FastCGI idle timeout. A common indication of this issue is the following error in the Apache error log: This typically occurs when the PHP… Continue Reading FastCGI: Communication with Server Aborted Due to Idle Timeout

Introduction Password-based SSH logins carry an inherent risk: if a password is guessed, leaked, or brute-forced, an attacker gets straight in. Key-based authentication solves this by replacing the password with a cryptographic key pair a private key that stays on your local machine, and a public key placed on the… Continue Reading Create User and login without password(passwordless authentication)

Introduction PHP-FPM (FastCGI Process Manager) is an alternative to running PHP through the traditional mod_php Apache module. It provides better process management and can improve PHP application performance, especially on servers handling multiple PHP requests. In this guide, we will explain how to install and configure Apache with PHP-FPM on… Continue Reading Install Apache with php-fpm on Ubuntu 16

Introduction Vagrant is an open-source tool used to create, configure, and manage virtual development environments using a simple command-line interface. It works with virtualization providers such as VirtualBox, VMware, Hyper-V, and Docker. Vagrant allows developers and system administrators to create reproducible and portable virtual environments with predefined configurations. Instead of… Continue Reading Simple guide to start using Vagrant with VirtualBox

Introduction Data backup is a critical part of any IT infrastructure. Whether you are managing personal files, application data, or business documents, maintaining regular backups helps protect against accidental deletion, hardware failures, ransomware attacks, and other unexpected incidents. Amazon S3 (Simple Storage Service) is a highly durable, secure, and scalable… Continue Reading Python Script to take backup of folder on amazon s3 – Windows