DevOps and Development

Vagrant is a software application that creates an operating system environment using virtualization technology. Vagrant uses a command line interface to load, prepare, and launch a virtual environment, called a Vagrant Box. There are many preconfigured Vagrant boxes available for download. You can also start with a basic box and add your own configuration. This guide will walk you thru how to install Vagrant on Ubuntu 18.04 (Bionic Beaver).

This article explores the basic principles of system calls, delves into their functions and features, and provides a list of common system calls in UNIX and Windows.

Overwriting a local Git branch with a remote one is useful when you need to synchronize the changes with the remote repo. This tutorial shows two different methods for overwriting a local branch in Git.

This tutorial shows several methods for comparing two Git branches. Comparing branches is important before merging to ensure all conflicts and bugs are eliminated before changing the main codebase.

Cluster maintenance and scaling events are among the biggest challenges for maintaining high availability in Kubernetes. This article will provide an overview of Pod Disruption Budget, a Kubernetes feature that addresses this problem.

There are many different ways to create a Python dictionary. This guide shows various methods to initialize a Python dictionary. Find a method best suited for your use case and programming style!

Kubernetes has been the most popular container orchestrator in the market for almost a decade. However, there are many other competing solutions that cater to the users who find Kubernetes unnecessarily complex and difficult to learn. This article will compare Kubernetes with HashiCorp's Nomad.

This article provides detailed instructions on how to install and test LAMP components on Debian 11.

Repeating a string in Python is a basic operation that applies to various programming use cases. This guide shows several different approaches to repeat a string in Python through hands-on examples.

Bash provides flexible and versatile ways of concatenating strings. This tutorial shows how to use the += operator, for loop, and other ways to concatenate strings in Bash.