DevopsCategory

Introduction Jenkins supports distributed builds by using agents (nodes). A Windows agent allows Jenkins to execute jobs on a Windows machine while the Jenkins controller manages the pipeline. This guide explains how to connect a Windows machine as a Jenkins agent using the Launch agent by connecting it to the… Continue Reading How to Connect a Windows Node (Agent) to Jenkins

Introduction While setting up Container1 inside an OpenVZ container, I encountered the following error: ls: cannot access /dev/net/tun: No such file or directory This occurs when the TUN/TAP device is not enabled for the container. Since many networking applications rely on /dev/net/tun to create virtual network interfaces, its absence can… Continue Reading Fixing the /dev/net/tun Error in an OpenVZ Container

INTRODUCTION: Kops is an open-source tool designed to simplify the process of creating, managing, and maintaining Kubernetes clusters on AWS. It automates the entire lifecycle of a Kubernetes cluster, from initial setup to upgrades and ongoing maintenance. we will walk you through the step-by-step process of installing Kubernetes using Kops… Continue Reading HOW TO INSTALL KUBERNETES USING KOPS ON AWS

Introduction This document provides a step-by-step guide on creating a new user in Jenkins and configuring permissions for that user using the Matrix-based Authorization Strategy. As an admin, you have the authority to add and manage users in Jenkins, ensuring secure access and control over various aspects of the CI/CD… Continue Reading Jenkins User Creation and Permission Management Guide

IntroductionJenkins is an open-source automation server. It helps automate the parts of software development related to building, testing, and deploying, facilitating continuous integration and continuous delivery Prerequisite1. A user with sudo privileges2. Jenkins console logins Implementation Step 1: Stop Jenkins service $ sudo service jenkins stop Step 2: Take Jenkins… Continue Reading How to upgrade Jenkins to 2.414

To overcome the deprecation notice error while logging into PHPMyAdmin follow the below steps: Step 1: Log in to the server and check for the PHP version Step 2: Edit the file config.inc.php.It will be located in /etc/phpmyadmin/config.inc.php or in /usr/share/phpmyadmin/config.inc.php Step 3: Add below command to the config.inc.php file and save… Continue Reading “Deprecation Notice” error in PhpMyAdmin with ubuntu 20.04, php7.4

If you get the above error when you setup Jenkins job, please follow the below steps. There may be several reasons behind this error. One the reason may be if you don’t have git installed where you have jenkins server. To avoid this you can use the below given command.… Continue Reading Failed to connect to repository Error performing git command git ls-remote -h https github com jenikis hook git HEAD

Please follow the below steps when you get the above error. I got this error in KAFKA and everytime its getting down due to this. In Kafka, every topic is (optionally) split into many partitions. For each partition some files are maintained by brokers (for index and actual data). kafka-topics… Continue Reading ERROR Error while accepting connection (kafka.network.Acceptor) java.io.IOException: Too many open files

If you want to schedule and run a job at a particular time then you can follow the below steps 1) Login to Jenkins 2) Goto the job you want schedule and click on configure. 3) Go down to the section of “build triggers” 4) Check Build periodically, you get… Continue Reading Schedule Job in Jenkins

1)To achieve the above, first we need to install docker. Please follow the below link to install docker.https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository 2) Create a sample application. Create a directory called “helloapp”. Create file index.js.mkdir helloappcd helloappvi index.js 3) Copy and paste the below content. const express = require(“express”);const app = express();app.get(“/”, (req, res)… Continue Reading Deploy a sample app with Docker over SSL