March 2017Monthly Archives

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

Introduction One of the most common challenges when deploying applications behind a load balancer is enforcing HTTPS redirection. In many environments, SSL/TLS termination happens at the load balancer level, and requests are forwarded to backend Nginx servers over HTTP. In this scenario, traditional HTTP-to-HTTPS redirection methods may fail or create… Continue Reading Redirect http to https on nginx behind load balancers

Introduction When starting or restarting the network service on a Linux VM, you may encounter the following error: This issue commonly occurs when the network interface configuration does not match the network adapter available on the VM. It can happen after changing the VM’s network adapter or when the configured… Continue Reading How to Fix “Device eth0 Does Not Seem to Be Present” Error in Linux?