Configure Jenkins First job of Java Code base with Maven Build tool

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Configure Ansible for Deployment of Datadog Agent in Multiple Linux Servers

Step 1 – Install Ansible tool in your workstation Step 2 – Write a Ansible playbook Step 3 – Create a Ansible inventory file consist of Multiple Linux Servers Step…

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How to install and configure nginx in Ubuntu?

Step 1: Update Software Repositories Step 2: Install Nginx From Ubuntu Repositories Step 3: Verify the Installation Step 4: Controlling the Nginx Service Step 5: Allow Nginx Traffic Step 6:…

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How to install and configure nginx in CentOS 7 / RHEL 7?

Step 1 – Configure Nginx repo for CentOS 7 Step 2 – Configure Nginx repo for RHEL 7 Step 3 – Install Nginx on CentOS 7 & RHEL 7 Step…

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How to install mod_status on your Apache servers and enable ExtendedStatus?

What is mod_status? mod_status is an Apache module that helps to monitor web server load and current httpd connections with an HTML interface that can be accessed via a web browser. Apache’s mod_status shows a plain HTML…

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How to install & Configure Datadog APM with PHP based application (WordPress) in linux?

Prerequisite How to Install & configure Xampp and WordPress in Linux? Step 1- Install DD Agent and Start it Step 2- Choose your language- Offcourse PHP Step 3- Install the…

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How to Install & configure Xampp and WordPress in Linux?

How to setup WAMP server in Linux? Referece: https://www.apachefriends.org/index.html How to create mysql user, database and grant a permission to a database in mysql? Reference https://www.digitalocean.com/community/tutorials/how-to-create-a-new-user-and-grant-permissions-in-mysql How to setup WordPress…

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How to Install WordPress and WAMP in Windows Server?

In this blog i am going to describe you the whole step and tell you how can you do more experiment on local rather than going live on server. if…

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How to Install WordPress in Windows using XAMPP?

In this article, I’m going to describe how to Install WordPress on your Local PC.  Follow this some easy step, and learn how to install WordPress on LocalHost Step- 1:-…

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How to install and Configure XAMPP on Ubuntu?

Steps to install XAMPP on Ubuntu Server: 1. Login to Ubuntu machine using any ssh client (like putty) or it’s great if you have a direct access to the Ubuntu…

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List of Datadog Agent – APM – Log Intergrations with various tools Step by Step Guide

Datadog Infra Intergrations How to install datadog agent in centos? How to install datadog agent in ubuntu? Enable Apache Tomcat monitoring in Datadog Agent? How to enable Docker Container monitoring…

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What is StorageOs and How StorageOs works?

What is StorageOs? StorageOS is a cloud native storage for Kubernetes solution. It can be used for provisioning PVs and when deployed: Aggregates storage across all nodes in a cluster…

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How to get SSL certificates and Enabled HTTPS for any domain and websites in Apache?

Friends, I am still writing this post and its under process. This is just for creating a skeleton for this post. It might help you. Step 1 – Generate PRIVATE…

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Professnow business model give advantage over UrbanClap

Cotocus has introduced its new app in playstore and that’s Professnow and Professnow Professional. You can find following professonals at their apps such as Accountant, Actor, Architect, Artist, Aviator, Baker,…

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What is kops?

Kops stands for “Kubernetes Operations”. Kops is the easiest way to get a production grade Kubernetes cluster up and running. kops helps you in the following for production-grade, highly available,…

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EKS error: You must be logged in to the server (Unauthorized)

You should not create the cluster with root account. Instead create a user or if you want to install EKS with aws cli create IAM role for the EC2 instance…

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Setting and Configuring Amazon EKS using AWS Management Console and AWS CLI

Prerequisites AWS CLIA command line tool for working with AWS services, including Amazon EKS. This guide requires that you use version 2.1.26 or later or 1.19.7 or later. How to…

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How to install and Configure kubectl?

To install kubectl on macOS Download the latest release: To install kubectl on Linux Download the latest release with the command: To install kubectl on Windows Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud…

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Free SSL Certificates using Letsencrypt.org and acme.sh on XMAPP in Linux

Referencehttps://github.com/acmesh-official/acme.sh Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock…

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“Key is already in use” of How to use 2 public key in github

Error 1: Solution 1 – https://stackoverflow.com/questions/17846529/could-not-open-a-connection-to-your-authentication-agent Error – 2 Solution – 2 eval ssh-agent -sssh-add ~/.ssh/id_rsa_rajesh.cotocus Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked…

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Top Sites for Corporate Training, Online Tutoring and Digital Education

Online Training Also known as computer based training (CBT), distance online learning, or e-learning, online training is a form of instruction that takes place completely on the internet. It involves…

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DevOps Interview Questions and Answer – Part 5

DevOps Interview Questions: Programming What is your favorite scripting/programming language(s)? Why ? General CS, algorithms Q&A: 5 minutes Data structures – discuss possible implementations and applications: Binary tree Hash map…

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Front End Developer Interview Questions

CSS Interview Questions What is CSS selector specificity and how does it work? What’s the difference between “resetting” and “normalizing” CSS? Which would you choose, and why? Describe Floats and…

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How to cope with a 7-page essay faster

Being a student is not as easy as you might wish it to be. You have many responsibilities that make your life complicated from time to time. Being obligated to…

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4 Recommendations on Starting that Terrifying Research Project

How to Start a Research Paper that You Dread the Thought of? If you’re a college or university student, academic writing assignments are an indispensable part of the process. For…

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Deep Dive into Git Internal with SHA1 and Hash

Questions What is SHA1? What if 2 hash collision while using git? Process of sign a commit or tag in git? Why sing a commit or tag is required? How…

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What is Jira Advanced Roadmaps (formerly Portfolio)?

Advanced Roadmaps aka Portfolio is a tool that enables teams to build plans and track progress in Jira Software. Being an add-on for Jira, it provides seamless integration with all…

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What is Large Scale Scrum (LeSS)?

Large-Scale Scrum ( LeSS ) is a way of scaling agile and scaling scrum to large and big product development groups. It has been used since 2005 in different software…

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Site Reliability Engineering – SRE – Free Ebooks and Handbook Collection

https://s905060.gitbooks.io/site-reliability-engineer-handbook/content/ https://github.com/s905060/site-reliability-engineer-handbook https://github.com/captn3m0/google-sre-ebook https://github.com/euclid1990/google-sre-book https://github.com/dastergon/awesome-sre https://github.com/sysbooks/site-reliability-engineering https://github.com/captn3m0/google-sre-ebook/releases https://github.com/vorozhko/site-reliability-engineer-guide https://github.com/andrealmar/sre-university https://github.com/mxssl/sre-interview-prep-guide https://github.com/chiaen/sre-book-in-audio https://free-for.dev/ Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…

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List of IP Address of Microsoft Bingbot and Googlebot

GooglebotGooglebot is the generic name for Google’s web crawler. Googlebot is the general name for two different types of crawlers: a desktop crawler that simulates a user on desktop, and…

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