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 else were the…
Read more »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 Landmark, stock market…
Read more »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 Landmark, stock market…
Read more »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 Landmark, stock market…
Read more »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 sre.google Launch Coordination…
Read more »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 SonarQube Step 6…
Read more »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 School, travel stories…
Read more »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. I share tech…
Read more »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 you going outside…
Read more »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 through seven tips…
Read more »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 you need to…
Read more »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 know who is…
Read more »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 1 – Install…
Read more »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 which is used…
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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 Rajesh KumarI’m a…
Read more »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 3 – Create…
Read more »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 and execute Rundeck…
Read more »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 Step 3 –…
Read more »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 – Configuring Rundeck…
Read more »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 or update the…
Read more »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 Landmark, stock market…
Read more »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. A corrupted root…
Read more »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 /, and the relative…
Read more »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 Linux, including, but…
Read more »Complete Salesforce Certification Guide & tutorials
What is Salesforce? Salesforce, Inc. is a well-known American cloud-based software company that provides CRM services. Salesforce is a famous CRM tool for support, sales, and marketing groups worldwide. Salesforce…
Read more »5 Tips to Protect Your Windows from Cyber-Attacks
The largest percentage of malware roaming the Internet has been developed to attack Windows-based systems. This reality means that protecting your computer is not an option but an obligation. Protecting…
Read more »Complete AIOps Certification Guide & tutorials
What is AIOps? The term AIOps was initially authored by Gartner in 2017. Traditional IT management techniques were were seen as unfit to adapt to advanced business change. artner anticipated…
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