Load Balancers Vs Api Gateway Vs Reverse Proxy

Load balancers, API gateways, and reverse proxies are all important components of web applications. They can be used to improve performance, security, and scalability. Load balancers distribute traffic across multiple…

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Introduction of Oauth 2.0

OAuth 2.0 is an open standard for authorization. It enables applications to obtain limited access to user accounts on HTTP services, such as Facebook, GitHub, and Google, without exposing the…

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List of Popular Design Pattern

A design pattern is a general reusable solution to a commonly occurring problem in software design. It is not a finished design that can be transformed directly into source or…

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Kubernetes in a Nutshell

1+ 4 Kubernetes, also known as K8s, is an open-source container orchestration platform. It automates many of the manual processes involved in deploying, managing, and scaling containerized applications. Kubernetes groups…

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RabbitMQ vs Kafka Vs ActiveMQ

RabbitMQ, Kafka, and ActiveMQ are all popular messaging brokers, but they have different strengths and weaknesses. RabbitMQ is a message queue that is known for its flexibility and performance. It…

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Jira Tutorials: How to create new Issues Types?

Creating new issue types in Jira allows you to customize the types of tasks or work items that your project can track. By defining your own issue types, you can…

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Jira Tutorials: How to add Custom Field

Adding custom fields in Jira is a powerful way to tailor your Jira projects to your team’s specific needs. Custom fields allow you to capture and track additional information beyond…

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Jira Tutorials: Working with Workflow

What is a Jira workflow? A Jira workflow is the path that an issue takes from creation to completion. It is made up of a series of statuses and transitions,…

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List of Popular Projects at Github for Sample Lab and Exercise

ASP.NET eShopOnWeb Sample ASP.NET Core 7.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.URL – https://github.com/devopsschool-projects/eShopOnWeb eShopOnContainers…

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Dynatrace Tutorials: Dynatrace Managed Cluster on the AWS Cloud

This Quick Start sets up a highly available, secure AWS environment, and automatically launches a Dynatrace Managed cluster into a new or existing Virtual Private Cloud (VPC). Dynatrace Managed is…

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Dynatrace Tutorials: How to Generate a Dynatrace API Token

To configure the SL1 system to monitor Dynatrace resources using the DynatracePowerPack, you must firstgenerate a Dynatrace API token.To do so: Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge…

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Kubernetes Tutorials: How to modify CHANGE-CAUSE in Deployment revision

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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Difference Between snowflake vs databricks

Snowflake and Databricks are two powerful cloud-based platforms, each offering a distinct approach to data processing and analytics. Here’s a comparison highlighting their differences: Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate…

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Types of API Testing

There are many different types of API testing, but some of the most common include: In addition to these general types of API testing, there are also a number of…

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List of Popular Secret Manager

AWS Secrets Manager AWS Secrets Manager is a managed service that helps you protect and manage secrets used in your applications. Secrets Manager provides a central location to store and…

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Introduction of External Secrets Operator

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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What is Tekton? With One Basic Tutorial

What is Tekton? Tekton is an open-source cloud-native framework for building continuous integration and delivery (CI/CD) systems. It lets you build, test, and deploy across multiple cloud providers or on-premises…

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Algorithms and Data Structures

Algorithms and data structures are two of the most important concepts in computer science. Algorithms are step-by-step procedures for solving problems, while data structures are ways of organizing data so…

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System Design BluePrint

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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Kubernetes: Workflow from Kubectl to Cri

When kubectl receives a create command, it performs the following steps: Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech…

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Terraform Tutorials: What is terraform.tfvars with example

What is terraform.tfvars? Terraform .tfvars files are used to store variable definitions. This allows you to externalize your variable definitions and makes it easier to manage them, especially if you…

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Terraform provisioners Tutorials and Complete Guide

Terraform provisioners are used to execute scripts or shell commands on a local or remote machine as part of resource creation/deletion. They are similar to “EC2 instance user data” scripts…

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Terrafrom – Example Code for remote-exec, local-exec & file provisioner

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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How to Seek technical Support from DevOpsSchool?

Step 1 – Enroll at www.Debug.School If you dont have account, please write an email to contact@devopsschoo.com Step 2 – Create an New POST with details of errors Step 3…

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Terraform Tutorials: How to comments in terraform code?

Terraform code supports three different syntaxes for comments: Comments can be placed anywhere in a Terraform configuration file, but they are typically placed at the beginning of a file or…

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What is terraform.tfstate and terraform.tfstate.backup file in terraform?

Here is a table that summarizes the key differences between terraform.tfstate and terraform.tfstate.backup: Feature terraform.tfstate terraform.tfstate.backup Purpose Current state file Backup of the state file When is it created? Created…

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Terraform Tutorials: Installation & Configurations

How to install terraform in windows? Step – 1 – Download a Terraform from https://developer.hashicorp.com/terraform/downloads Step – 2 – Extract it into C:\tools\hashicorp\terraform [ filename – terraform.exe ] Step –…

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List of 30 Questions and Answer for Appdynamics Certification

Question 1: What are the two main components of the AppDynamics platform? Answer: The AppDynamics platform consists of two main components: Question 2: What are the two main types of…

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How to denied or allowed any application permissions to access APIs websites using firewall?

If you mistakenly denied application permissions to access certain APIs or functionalities, you can usually grant those permissions again by following the steps based on your operating system: For macOS:…

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Datadog Log: Lab and Assignment

List of example of all search techniques in datadog for apache Datadog is a monitoring and analytics platform that provides various search techniques to help you analyze Apache web server…

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