Expert session Highlights.

Hello Guys, yesterday we had an exciting session on Industry Use cases on Automation using Ansible. This was one of the greatest session I had with LinuxWorld’s ARTH — The School Of Technologies platform.
We had Arun Eapen and Sreejith Anujan (Both from RedHat) with us for almost two and a half hour. I thank LinuxWorld team for arranging such an amazing session. This is the best session till date.

We have knowledge on Ansible(RH294 Level) but Sreejith Anujan helped to get to know about the Ansible Tower(GUI Based Ansible) platform. …

Kubernetes (K8s) Case study

Hello everyone, welcome to the blog on Kubernetes. Many of you are still thinking what Kubernetes is ! Lets see what Kubernetes is and what it does.


Kubernetes (K8s) is a famous open source container-orchestration system which is designed by Google. Kubernetes helps our application to divide into different containers in which particular container is meant for a particular purpose. It helps to maintain our application’s containers easily. We generally divide our application into micro-services(Services running on those containers), which makes the application best out of it.

Kubernetes Features

✴️ Automated rollouts and rollbacks

Kubernetes progressively rolls out changes…

You have been a big help during this pandemic.

Arranging such a great session with great personalities like Mr. Ramesh Padmanabhan, Anant Dhar, Abid Matoo is the still the complex yet you achieved.

I thank Ramesh Padmanabhan sir for his simplicity, kind heart, passion towards making India future ready.

I thank Anant Dhar which I consider him as IT Guru for his simple explanation on the industry use cases of Ansible. I get to know how Ansible helps in Platform Automation, DevOps, Network Automation, Security Automation, Patching, Configuration Drift, many.

I thank Abid Matoo for his words towards LinuxWorld and…

Hello everyone ! Welcome to the blog on configuring Hadoop Services using Ansible !

Lets start writing our playbook !!!

We know that Hadoop cluster typically consists of many number of slaves and a master. Lets start writing our playbook for the Master !!

Here in my case, IP of my master is We already knew that inorder to create clusters using Hadoop, we need jdk(Hadoop’s dependency) and hadoop packages. Here I have jdk rpm and hadoop rpm and stored its location using a variable(Helps while installing them). …

The Routing Table setup !

Hello everyone, welcome to an another exciting blog that demonstrates the use of Routing Table. Routing Table is the only thing that helps us to create, send, receive the internet packets.
Lets see the example that shows us one of the use case of a routing table.

Our Task would be :
We are going to setup our system that can be able to ping Google but not Facebook !

First lets see our default routing table which can be able to ping any website. Here in our default routing table we have one destination…

Hello everyone ! Today we are going to solve one of the use case or the task mentioned below :

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

For this, you need to know about the tools like Ansible, Docker and some basic concepts of Linux Systems.


Ansible is a Automation tool. What do I mean by automation ? It can be any one of…

Task 7.1

🔅Integrating LVM with Hadoop and providing Elasticity to DataNode Storage
🔅Increase or Decrease the Size of Static Partition in Linux.
🔅Automating LVM Partition using Python-Script.

What is LVM ?

LVM is a tool for logical volume management which includes allocating disks, striping, mirroring and resizing logical volumes.

On small systems (like a desktop), instead of having to estimate at installation time how big a partition might need to be, LVM allows filesystems to be easily resized as needed. (Basically it is called as Elasticity)

Using LVM is simple, you need to have multiple hard disks and and its all depends…

Hi everyone, welcome to the blog on knowing how, why and where we need Ansible.

What exactly is Ansible ?

As techies, we all know how to configure many services or clusters. What if we can do all the configurations mostly the intelligent configurations ( we don’t need to know how to do and where to do, we just need what to do ! ) in a single click ! Thats what Ansible is.

Ansible is a Automation tool. What do I mean by automation ? It can be any one of Infrastructure Automation, Cloud Automation, Security Automation, Application Automation, many other !! Ansible simplifies…

Hey everyone, in this blog we will see how to setup python interpreter in our docker container and how to run our python code on the top of docker container.

First run docker ps command to see all the images that are running. In my case I don’t have any containers running.

docker ps

Hello everyone, in this blog we will see how to configure a httpd service on the top of the docker container.

First, see all the images that are running using docker ps. In my case I dont have any containers running.

docker ps

Karthik Avula

Hi ! This is Karthik. I am a Computer Science Student from Rajiv Gandhi University of Knowledge Technologies.

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