Author: Rahul

Python is a widely used high-level, interpreted, dynamic programming language. Python supports object-oriented, imperative, and functional or procedural programming styles. This tutorial will help you to install Python 2.7 on the Windows system. Download Python Installer First you need to download Python 2.7 installer. Visit Python official download page and download required version of installer. Install Python 2.7 on Windows After completing download of Python run the installer by click on it and follow the installation wizard. Select the option install for all user or for current user only. Now select the destination directory to extract and install python on…

Are you familiar with the ‘ERROR 2006 (HY000) at line XXX: MySQL server has gone away’ error message? If you have been working with MySQL and have encountered this error, it can be frustrating and even daunting, particularly if you’re unsure how to resolve it. This comprehensive guide will provide you with an understanding of what this error is, why it happens, and most importantly, how to resolve it. What is ‘ERROR 2006 (HY000)? Before we can begin to troubleshoot and resolve this error, we need to understand what it is. ‘ERROR 2006 (HY000) at line XXX: MySQL server has…

As a database administrator, there are certain MySQL settings and configurations that need to be tweaked, enhanced, or adjusted to meet the specific requirements of your applications. The my.cnf file is a configuration file for MySQL and MariaDB databases that allows these customizations. If you’re wondering where this file resides in your system, you’ve come to the right place. This comprehensive guide will help you uncover the location of your MySQL my.cnf file. Understanding the MySQL my.cnf File Before we dive into finding the file, it’s crucial to understand what it is and what it does. The my.cnf file is…

In the rapidly evolving world of web development, the ability to send emails programmatically is a crucial skill. Today, we’re focusing on Node.js, a popular server-side JavaScript runtime, and demonstrating a practical approach to sending emails using this powerful tool. Sending Emails Using Node.js To send an email using Node.js, you would typically leverage a package like Nodemailer. Nodemailer is a module for Node.js applications that allows easy email sending. The brilliance of Nodemailer is that it encapsulates the complexity of SMTP (Simple Mail Transfer Protocol), the primary protocol behind email communication, into an easy-to-use API. 1. Getting Started: Installing…

Node.js is a platform built on Chrome’s JavaScript runtime for easily building fast, scalable network applications. Latest version node.js yum repository is maintaining by its official website. Use this tutorial to add yum repository and install Latest Nodejs to CentOS/RHEL 7 systems with simple commands. To install specific nodejs version, Visit our tutorial Install Specific Node.Js Version with NVM. Step 1 – Add Node.js Yum Repository First of all, You need to enable the node.js yum repository in your system provided by the Node.js official website. You also need development tools to build native add-ons to be installed on your…

Recently I had installed a new citrix xenserver 6.2 at my workplace. When I connect it through xencenter, I could not find template for CentOS 7 operating system. After googling I found below steps to add template for CentOS 7 in xenserver. How To Add CentOS 7 Template in XenServer 6.2 . Step 1 – Update pygrub in XenServer Edit /usr/lib/python2.4/site-packages/grub/GrubConf.py on the XenServer host machine. Got to line no 428 and change from: if arg.strip() == “${saved_entry}”: to: if arg.strip() == “${saved_entry}” or arg.strip() == “${next_entry}”: Let’s start with creating new vms. Step 2 – Create CentOS 7 Template…

Node.js is a version of Chrome’s V8 JavaScript runtime engine. It provides an option for programmers to run JavaScript on the server-side. Node.js is becoming more popular among developers due to its speed and efficiency. Developers can easily use JavaScript for the frontend and can contact backend web services. This tutorial helps you to install Node.js on the Windows system using installer files. You can also try another method to install multiple Node versions using nvm on the Windows system. How to Install Node.js on Windows Download Windows installer from Node.js official website. Run the installer by double-clicking on it…

Node.js is a popular, open-source server-side platform that runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.). It uses JavaScript on the server and is widely used for building efficient, scalable network applications. Node Version Manager (NVM), on the other hand, is a tool that allows developers to install and manage multiple Node.js versions. It’s incredibly useful for testing applications across different Node versions, ensuring compatibility and stability. This tutorial will help you to install and manage Node.js using NVM on Linxu systems. Pre-Installation Requirements Before diving into the installation process, ensure that your system meets the following…

Zabbix Agent is a tool that helps monitor remote systems using a Zabbix server. It collects data about how resources and applications are used on the client system and sends this information to the Zabbix server when asked. This guide will show you how to install the Zabbix Agent on a Windows system. If you need to install it on other systems like CentOS, RHEL, Ubuntu, or Debian, check out the provided links. How to Install Zabbix Agent on CentOS/RHEL How to Install Zabbix Agent on Ubuntu and Debian Systems. Step 1: Download Zabbix Agent First, you need to download…

Install Mattermost with MySQL on Ubuntu 14.04 & Debian 8. Mattermost is a best alternative of Slack messaging application. It provides you option for all communications at one place with easy to use interface. You can easily share messages, files over desktops and mobile devices. Step 1 – Setup MySQL Database Server First you need to install MySQL database server on your system. Use following command to install default available version of mysql or read this tutorial. $ sudo apt-get install mysql-server Now create a database for mattermost installation and a mysql user for authentication. $ mysql -u root -p…