Two commonly used open-source Python web frameworks are Django and Flask. Django is a robust Python framework that allows users to rapidly develop and deploy their web applications by providing an MVC framework that aims at simplifying web app development with less code along with reusable components. Meanwhile, Flask is a microframework that is lean
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How to Setup CentOS Stream from AWS Marketplace
In the current trend of IT Infrastructure, Cloud Computing occupies a tremendous role. Most of the top companies are looking for Cloud Providers to have their Infrastructure. As per our requirement, we can provision our servers at any time. According to the server configuration, we will be charged per usage. Amazon Marketplace is the place
How to Create a KVM Virtual Machine Template
A virtual machine template is essentially a copy of the installed virtual machine that comes in handy when you want to deploy multiple instances of virtual machines. Creating a template is a 3 step process that involves creating a virtual machine, installing all the requisites packages that you want to be installed, and finally cleaning
How to Install Different PHP (5.6, 7.x and 8.0) Versions in Ubuntu
PHP (recursive acronym for PHP: Hypertext Preprocessor) is an open-source, popular general-purpose scripting language that is widely-used and best suited for developing websites and web-based applications. It is a server-side scripting language that can be embedded in HTML. Currently, there are three supported versions of PHP, i.e PHP 5.6, 7.0, and 8.0. Meaning PHP 5.3,
Find and Replace in Vim / Vi
This article describes how to find and replace text in Vim / Vi. Vim is the most popular command-line text editor. It comes preinstalled on macOS and most Linux distributions. Finding and replacing text in Vim is quick and easy. Basic Find and Replace # In Vim, you can find and replace text using the
How to Set Up High Availability for Resource Manager – Part 6
YARN is the Processing Layer of Hadoop, which consists of the Master (Resource Manager) and Slave (Node Manager) services to process the data. Resource Manager (RM) is the critical component that is responsible for resource allocation and management among all the jobs running in Hadoop Cluster. It is always recommended and best practice to have
How to Create Virtual Machines in KVM Using Virt-Manager
As you get started, ensure that the KVM hypervisor is installed on your system. An acronym for Kernel-based Virtual Machine, KVM is a combination of kernel modules & utilities needed to run virtual machines on a host system. These include QEMU, virt-install, libvirtd daemon, virt-manager and so many more. We have elaborate articles on: How
How to Manage Virtual Machines in KVM Using Virt-Manager
The virt-manager application provides an easy-to-use interface that allows users to perform a wide range of tasks including creating guest machines and assigning critical virtual resources such as CPU, memory, and disk space. Users can also configure networking, pause, and resume the guest machines as well as monitor performance. As you get started, make sure
How to Install Apache CouchDB in Ubuntu 20.04
Implemented in Erlang, Apache CouchDB, simply referred to as CouchDB, is an open-source NoSQL database that focuses on data storage in JSON format. CouchDB is a perfect choice for operation teams and businesses looking for a high-performance NoSQL database solution. Unlike relational databases such as MySQL, CouchDB uses a schema-free data model, simplifying records management
How to Install Apache Kafka in CentOS/RHEL 7
Apache Kafka is a powerful messaging engine, which is widely used in BigData projects and the Data Analytics life cycle. It is an Open-source platform to build real-time data streaming pipelines. It is a distributed publish-subscribe platform with Reliability, Scalability, and Durability. We can have Kafka as a standalone or as a cluster. Kafka stores