Rajesh Kumar

Know how to use Amazon ElastiCache.Improve the performance of your application by deploying Amazon ElastiCache cluster as part of your application and offloading read requests for frequently…

Understand what DNS is.DNS is the methodology that computers use to convert human-friendly domain names (for example, amazon.com) into IP addresses (such as 192 .0.2.1). Know how…

Know how to use Amazon SQS.Amazon SQS is unique service designed by Amazon to help you to decouple your infrastructure. Using Amazon SQS, you can store messages…

Know what a relational database is.A relational database consists of one or more tables, Communication to and from relational databases usually involves simple SQL queries, such as…

Know the different principals in IAM.The three principals that can authenticate and interact with AWS resources are the root user, IAM users, and roles. The root user…

Understand what a VPC is and its core and optional components.An Amazon VPC is a logically isolated network in the AWS Cloud. An Amazon VPC is made…

Understand what the Elastic Load Balancing service provides.Elastic Load Balancing is a highly available service that distribute traffic across Amazon EC2 instances and includes options that provide…

Know the basics of launching an Amazon EC2 instance.To launch an instance, you must specify an, AMI, which defines the software on the instance at launch, and…

Know what Amazon S3 is and what it is commonly used for.Amazon S3 is secure, durable, and highly scalable cloud storage that can be used to store…

Understand the global infrastructure.AWS provides a highly available technology infrastructure platform with multiple locations worldwide. These locations are composed of regions and Availability Zones. Each region is…

What is Configuration Management? List a few available configuration management tools. What is Ansible? List some of major advantages of using Ansible. Write down the data flow…

Before going further deep into Ansible, it is time to get familiar with some important Ansible commands: ansible: It is an extra – simple root / framework…

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…

Continuous Integration is not an all-or-nothing affair. In fact, introducing CI into an organization takes you on a path that progresses through several distinct phases. Each of…

There should be one person assigned to Continuous Approval process which can do the tasks to control over the milestone and scope of software development and link…

Code coverage is a measure of how much code is executed during testing & Test coverage is a measure of how many test cases have been executed…

Continuous testing as a practice is actually what you do when you’re doing test-driven development properly. It provides tool support for automatically detecting when you save a…

This is NOT a Continuous Deployment which is normally happening in production server. Here I am trying to depict the environment where we need to automate the…

Application packages are a program or group of programs that is designed for the end user. Application packages make application installation/uninstall process to Modular approach, Encapsulation/hiding of…

Continuous Inspection is a process to detect the possible bugs in the source code which may occur due to bad code quality and lack of effective peer…

Unit testing is a relatively old practice and what has become the definition of a good unit test through decades of practice is the following: It’s automated…

The benefit is that you know – immediately – when someone has broken the build. This means either They committed code that prevents compilation, which would screw…

Software engineers must continuously learn and integrate. Software engineers must continuously learn and integrate. You learn more and more about what works and what doesn’t. If you’re…

Continuous Integration is a Good Configuration Management Practice. Developing software requires planning for change, continuously observing the results, and incrementally course-correcting based on the results. This is…

Frequent delivery means being able to work efficiently in small batches. The role of a (continuous) integration specialist / test automation specialist is to enable the DevOps…

Coordinate with teams and resolve all complex application and system issues. Design and maintain expertise in flow of application process and systems related to company. Administer and…

Of all the job posts we see out there, this seems to be the most common. The role of a DevOps Automation Engineer is to analyze, design,…

Release managers are a relatively new but rapidly growing discipline within software engineering that address the need of managing software released from development stage to software release….

There is following roles and responsibilities of Install Engineer aka Application Packaging Engineer Responsible for efficient and timely assembly, integration, testing and installation of all projects Must…

The Build and Release Engineer will play a main role in the software development life cycle, some of them includes as below; Work with Engineering, Operations, Quality…