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Sagar

Petri Contributor

Sagar is a DevOps consultant and the founder of automateinfra.com. Sagar brings DevOps technology expertise to Petri.com, writing about Terraform, AWS Cloud, Microsoft Azure, Ansible, Kubernetes, Docker, Jenkins, Linux, and Windows.

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How to Create a Dockerfile Step by Step

Docker is a popular software platform that developers can use to run applications inside a lightweight environment known as a Docker container. You can run Docker containers using standard Docker images found on the Docker hub. However, you can also use a Dockerfile to create a Docker image with a specific configuration. In this article,…

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AWS (Amazon Web Services)

What is Amazon Kinesis Data Firehose?

Amazon Kinesis Data Firehose is a fully managed service for efficiently streaming data from virtually any data source to your AWS applications. It provides near-real-time ingestion capabilities for building real-time data applications. In this article, we’ll detail how Amazon Kinesis Data Firehose works and the best use cases for it. What is Amazon Kinesis Data…

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DevOps code

How to Install and Configure Docker on Ubuntu 22.04

In this tutorial, I’ll show you how to install Docker on Ubuntu 22.04 and detail what you need to get started with containers and images. How to Install Docker on Ubuntu 22.04 We’re going to install the latest stable version of Docker from the official repository. However, before we proceed, we need to update our…

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DevOps code

Linux File Permissions: Everything You Need to Know

This article explains how Linux file permissions work, including how to change file permissions and file ownership using the chmod and chown commands.

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DevOps code

How to List All Groups in Linux – An IT Pro’s Tips and Tricks

Last Update: Jul 03, 2024

Here’s how to list all groups on a Linux machine, how to list all users, and how to see the groups they belong to.

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Amazon AWS

Everything You Should Know About AWS EC2 Instances Types

Amazon Elastic Compute Cloud (Amazon EC2) is a service that provides scalable cloud capacity in the Amazon Web Services (AWS) cloud. With Amazon EC2, organizations can choose between a wide variety of instances that are optimized for different cloud computing use cases. In this tutorial, we’ll explain everything you need to know about the different…

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DevOps code

How to Install and Configure Apache Web Server on Ubuntu 22.04

Apache web server, also known as Apache HTTP server, is one of the most popular web servers for UNIX and Windows operating systems. In this tutorial, I’ll show you how to install and configure Apache web server on Ubuntu Linux 22.04. Apache web server allows you to serve web pages and deploy web applications. It…

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AWS (Amazon Web Services)

How to Create And Connect to an AWS RDS MySQL Database

In this guide, we’ll explain how to create and connect to an AWS RDS MySQL database. Amazon RDS is a service that lets you easily set up and configure relationship databases with various types of database instances in the Amazon Web Services cloud. With Amazon’s relational database service, you don’t have to manage databases on-premises….

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DevOps code

How to Install Git on Ubuntu 20.04

In this guide, we’ll explain how to install Git on Ubuntu 20.04 step by step so that you can manage your repositories quickly and easily from the command line! You can then go on to learn the Git commands, which will allow you to automate common tasks, like the ability to create, check out, and merge…

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AWS (Amazon Web Services)

How to Create an AWS Lambda Function

Last Update: Jun 23, 2023

In this guide, I’ll explain how AWS Lambda lets you run your code in a cloud-based ‘serverless’ infrastructure, and how you can create an AWS Lambda function to perform any type of computing task. There are four different ways to create an AWS Lambda function, but I’ll be using the web-based AWS Management Console to…

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