Author: Rahul

Navigating through the world of websites and the internet, sometimes web pages need to move to a new address, just like people do. When this happens, visitors going to the old address need to be sent to the new one so they don’t get lost. This process is called URL redirection. Nginx is a tool that helps websites manage these moves smoothly, ensuring that people find the page they’re looking for, whether the move is just for a little while (temporary) or for good (permanent). Understanding how to do this well is important for anyone running a website to keep…

Recently one of repository on my SVN server is got corrupted. After checking we found that there was issue with svnrepo/db/current file was got corrupted due to bad sectors in my hardisk. I tried to checkout this repository but failed. How to Recover Corrupted SVN Repository – Before start recovery we should know about this file. This file contains the latest revision number of your repository. On each commit svn server increase this value by +1 and keep this on last revision. Now If you remember the version of your repository, Just recreate new file and put that number in…

In Linux, file permissions are an important aspect of system security. These permissions control who can read, write or execute a file or directory. Sometimes, you may need to change permissions recursively, meaning to apply the same permission changes to all files and subdirectories within a directory. In this article, we will discuss how to recursively change file permissions in Linux using the “chmod” command. Syntax of chmod command The syntax for chmod command is as follows:

Here are some commonly used options with chmod: -R: Recursively changes permissions on all files and directories within the specified directory. -v:…

To configure your system on network and access internet. You also need to configure dns server. It is necessary to access websites by their name. When we visit a website, system first search for dns server we provided in configuration file. Then query to that DNS server for providing ip address corresponding to that domain. Setup DNS Servers Edit network configuration file (/etc/network/interfaces) on your system and add dns servers to specific network interface. In my system network interface is named as eth1. It may change in your system, So use name accordingly. $ sudo vi /etc/network/interfaces auto lo iface…

Most operating systems provide commands or options to setup network interface using the command line. On Linux systems, we can directly edit network configuration files and make changes as per our requirements. This tutorial will help you to How to Setup Network Interface on Ubuntu, Debian, and LinuxMint systems. 1. Setup System Hostname You can use ‘hostname’ command to check current set hostname or to set new hostname of system. Type hostname on command prompt and press enter to check current hostname of system. hostname Type new hostname with hostname command to set it. This will not persist after system…

JavaScript is one of the core programming language used on the websites. JavaScript enables interactive web pages and is an essential part of web applications. Most of the modern websites relies on JavaScript to handle client side application behavior. All the web browsers have a dedicated JavaScript engine to execute it. In this tutorial you will learn, how to call a JavaScript function on various page events like: On click , on form submission, or other various HTML controls. Create a JavaScript Function First of all, create a JavaScript function to use further in this tutorial. Add this JavaScript code…

MySQL is an open-source relational database management system. This tutorial will help you to install MySQL server on your Ubuntu and Debian systems. This version has various security improvements than the previous versions. Step 1 – Configure Apt Repository Download the MySQL apt configuration Debian package officially provided by the MySQL team and install it on your system. For Ubuntu 16.04 and later version’s MySQL 5.7 is available under default apt repositories, so you don’t need to enable additional repository that. wget http://repo.mysql.com/mysql-apt-config_0.8.9-1_all.deb sudo dpkg -i mysql-apt-config_0.8.9-1_all.deb This will prompt you to select MySQL version to be install. So that…

In the dynamic landscape of web development, staying current with the latest versions of Node.js is crucial for performance, security, and compatibility. Node Version Manager (NVM) is an essential tool for simplifying this process. This article provides a comprehensive guide on using NVM to upgrade Node.js, ensuring a smooth and efficient workflow for developers. How to Install Multiple Node.js Versions via NVM Understanding NVM Node Version Manager (NVM) is a command-line utility that enables you to manage multiple Node.js versions. It’s especially useful in environments where different projects require different Node.js versions, allowing you to switch between them effortlessly. Why…

OpenSSH is a set of tools that lets you have secure, encrypted communication over a network using SSH. It includes features for secure remote login, file transfer, and tunneling of applications. OpenSSH is commonly used on Linux systems for secure remote access and file transfers. It is highly reliable and trusted by many users around the world for its strong security measures. In this guide, we will show you how to install or update the OpenSSH server on Ubuntu, Linux Mint, and other Debian-based systems. This will allow you to manage your servers remotely with confidence and ensure your data…

As internet security becomes increasingly important, implementing SSL (Secure Sockets Layer) or HTTPS (Hyper Text Transfer Protocol Secure) on your website is becoming essential. These protocols help secure communication between the client (web browser) and the server (your website) by encrypting data transmitted between the two. In this beginner’s guide, we will cover the steps to implement SSL/HTTPS using .htaccess on an Apache web server. Step 1: Obtain an SSL Certificate The first step in implementing SSL/HTTPS is to obtain an SSL certificate. You can obtain a certificate from a trusted certificate authority (CA) such as Let’s Encrypt, which offers…