What is OSPF (Open Short Path First)?

The OSPF (Open Shortest Path First) protocol is one of a family of IP Routing protocols, and is an Interior Gateway Protocol (IGP) for the Internet, used to distribute IP routing information throughout a single Autonomous System (AS) in an IP network.

Routing Protocols are the set of defined rules used by the routers to communicate between source & destination. They do not move the information from the source to a destination, but only update the routing table that contains the information.

Network Rouer protocols help you to specify the way routers communicate…


Amazon Simple Queue Service…

Amazon Simple Queue Service also known as the AWS SQS in AWS cloud. It is fully managed message queues for the serverless applications, micro-services and distributed systems. SQS eliminates the difficulties and burden of managing the message or notification produced by any middleware system.


A confusion matrix provides a summary of the predictive leads to a classification problem. Correct and incorrect predictions are summarized during a table with their values and weakened by each class.

Definition of the Terms:
True Positive: You predicted positive and it’s true.

True Negative: You predicted negative and it’s true.

False Positive: You predicted positive and it’s false.

False Negative: You predicted negative and it’s false.

For Example, let’s take a scenario

We have a total 10 of car and bus and our model predicts whether it is a car or not

Actual v alues = [‘bus’, ‘car’, ‘bus’…


Before going to see MongoDB case study of Wordnik ,let’s have a look on some basic and important information of MongoDB.

🔰 MongoDB


Continuous Integration & Continuous Delivery are integral parts of DevOps, as they are used for integrating multiple stages of the methodology. There are many CI/CD tools in the market but Jenkins; the Java-based open-source CI/CD tool tops the popularity list. A small survey conducted by us further escalates Jenkins’ popularity of, leading up to the occasional query of ‘What is Jenkins?’

💠 What Is Jenkins?


🎇 Task description -

We have to write an Ansible PlayBook that does the following operations in the managed nodes:

🔹 Configure Docker

🔹 Start and enable Docker services

🔹 Pull the httpd server image from the Docker Hub

🔹 Run the docker container and expose it to the public

🔹 Copy the html code in /var/www/html directory and start the web server

🔰 What is ansible ?


🌌Open shift

OpenShift is a family of containerization software products developed by Red Hat. Its flagship product is the OpenShift Container Platform — an on-premises platform as a service built around Docker containers orchestrated and managed by Kubernetes on a foundation of Red Hat Enterprise Linux.

The family’s other products provide this platform through different environments:

OKD serves as the community-driven upstream (akin to the way that Fedora is upstream of Red Hat Enterprise Linux), OpenShift Online is the platform offered as software as a service, and Openshift Dedicated is the platform offered as a managed service.

Priyanka Hajare

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