Shell script to Enable ssh password authentication in Linux
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…
Vagrant: vagrantfile example for creating 3 linux vms
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…
What is Jacoco and How it works? An Overview and Its Use Cases
What is Jacoco? JaCoCo is an open-source toolkit for measuring code coverage in a code base and reporting it via visual reports. It is quite popular among…
What is Junit and How it works? An Overview and Its Use Cases
History & Origin of Junit JUnit was born on a flight from Zurich to Atlanta in 1997 for OOPSLA. Kent Erich was flying with Gamma, and what…
SRE: SLO Checklist
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…
SRE Performance Checklist
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…
SRE Design Review Checklist
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…
SRE Template Example & Checklist
Example Postmortem Example Postmortem from sre.google A standard template used for postmortems at PagerDuty postmortem templates at github postmortems at Atlassian Example Availability Table Availability Table from…
How to Migrate Sonarqube from H2 to Postgresql?
Step 1 – Run Postgresql using docker command Step 2 – Modify sonar.properties Step 3 – Do this Step 4 – Do this Step 5 – Start…
Demo: Master in DevOps Engineering Tutorials
Master in DevOps Engineering (MDE) 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…
Demo: Kubernetes Video Tutorial
Certified Kubernetes Administrator (CKA) Certification Training Course Kubernetes Courses and Training Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus….
Complete Digital Marketing Certification Guide & tutorials
What is Digital Marketing? This is the most trending, hot and job related topic. After the coronavirus pendamic we have all seen how a situation can top…
7 Tips Every Up-and-Coming Engineer Must Know in 2022
Source Are you a newbie engineer looking to expand your knowledge and experience in the field? We feel you. If that’s the case, keep reading. We’ll go…
6 Ways to Make Money in College
When you’re in college, you’re probably living on a limited budget. And let’s say, if you’ve enlisted the help of an essay help service Essay Assistant and…
Complete Android App Developer Certification Guide & tutorials
What is Android App Developer? Since few decades market is being dominated by android company. That’s why the demand of android developers are still on top. let’s…
Nexus Integration with Jenkins to Upload/Download Package
This post is pictorial representations of Nexus Integration with Jenkins to Upload/Download Package. Step 1 – Install PluginsStep 2 – Config pluginsStep 3 – Use Plugins Step…
Complete Servicenow Certification Guide & tutorials
What is Servicenow? ServiceNow was initiated as Glidesoft, Inc. in 2003 by Fred Luddy, and later included in California in 2004. ServiceNow is a cloud-based software platform…
Vagrant Installation & Configuration
Step 1 – Download Vagrant URL – https://www.vagrantup.com/downloads Step 2 – Install Vagarnt in Windows Step 3 – Verify Vagrant Step 4 – Basic Workflow in Vagrant…
Install & configure VirtualBox & Access Linux VMs using putty
Step 1 – Download and Install VirtualBox https://www.virtualbox.org/wiki/Downloads Step 2 – Download Centos 7 VM ISO file or Ubuntu 20.X VM ISO file https://www.centos.org/download/ https://ubuntu.com/download/desktop https://ubuntu.com/download/server Step…
How to add Windows Node in Rundeck?
Rundeck allows users to execute jobs to remote Windows nodes to manage and automate tasks using Rundeck workflows. This article shows how to add a Windows node…
How to add Linux Node in Rundeck?
Step 1 – Add authentication keys/password in Key Storage Add authentication keys/password of the linux node in Rundeck’s built-in Key Storage. Step 2 – Create a Project…
Rundeck Database Migration From H2 to MySql and postgresql
Rundeck Database Migration From H2 to MySql Step 1 – Install mySql Server Step 2 – Create rundeck db and rundeckuser and set their permissing Step 3…
Linux Tutorials: Commands for Linux User
ls – List directory contents. cd – Change the current directory pwd – Print the name of the current working directory. touch – Create an empty file…
Linux Tutorials: Types of Linux File System
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…
Linux Tutorials: root file systems in linux
The root filesystem should generally be small, since it contains very critical files and a small, infrequently modified filesystem has a better chance of not getting corrupted….
Linux Tutorials: Understanding absolute and relative path
When specifying a directory to change to, you can use either absolute or relative path names. The absolute or full path starts from the system root /,…
Linux Tutorials: How to enable EPEL repository in redhat/Centos?
Extra Packages for Enterprise Linux (or EPEL) is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise…