DevOps Blog (Page 7)

Mastering AWS S3: A Comprehensive Course on Data Management

Mastering AWS S3: A Comprehensive Course on Data Management

Managing large amounts of data can be overwhelming, but with the right tools and knowledge, it doesn't have to be. Amazon Simple Storage Service (S3), an object storage service from Amazon, provides industry-leading scalability, data availability, security, and performance. It's one of Amazon's most

Kubernetes and Cloud-Native Associate (KCNA) Course: Your Certification Guide

Kubernetes and Cloud-Native Associate (KCNA) Course: Your Certification Guide

Over the past few years, there has been a surge in demand for Kubernetes and cloud-native architecture skills. This is largely due to the increased adoption of microservice architecture by organizations seeking greater application agility, scalability, and resilience. One sure way of gaining a competitive advantage for opportunities in this

How to Use Bash Getopts With Examples

How to Use Bash Getopts With Examples

Getopts is a powerful shell command used to parse command line options and arguments. It provides a structured way to handle complex input patterns, thereby making your scripts more readable and maintainable. In this blog post, we’ll start with an understanding of what positional parameters are and their inherent

Get Up to 25% off at Linux Foundation with KodeKloud.

Get Up to 25% off at Linux Foundation with KodeKloud.

The impact of open-source on DevOps is immense and far-reaching. It has made tools such as Kubernetes, Linux, Helm, and Prometheus, among others, available for free to DevOps enthusiasts. One of the most important players in the Open-Source domain is The Linux Foundation. That’s why we are excited to

How To Use Terraform depends_on Meta-Argument

How To Use Terraform depends_on Meta-Argument

Terraform is widely known for its ability to efficiently create, manage and update infrastructure resources across cloud providers and on-premises environments. It provides the ability to create resources that depend on each other, and the depends_on meta-argument is a helpful feature for implementing such relationships in a systematic way.

Terraform vs. CloudFormation: A Side-by-Side Comparison

Terraform vs. CloudFormation: A Side-by-Side Comparison

Infrastructure as Code (IaC) has emerged as a critical tenet in cloud computing, making efficient resource management possible across cloud environments. Terraform and AWS CloudFormation are two leading tools in IaC that facilitate the provisioning and management of infrastructure resources. While both offer similar functionalities, their fundamental differences make each

How to Return Value From a Bash Function

How to Return Value From a Bash Function

Bash, one of the most popular shell scripting languages, handles functions a little differently from what you might expect if you're coming from other programming languages. In particular, returning values from Bash functions can be a bit tricky to understand for newcomers. In this blog post, we’ll

CNCF Tool Interviews Series: gRPC

CNCF Tool Interviews Series: gRPC

In our journey to demystify the CNCF landscape, we've had the privilege to "sit down" with some of the most influential tools and technologies that are shaping the cloud-native world. Today, we're thrilled to welcome a technology that has become synonymous with efficient and

How to Extract Bash Substring

How to Extract Bash Substring

Extracting substrings from a larger string is a fundamental operation in text manipulation, which is an essential skill in Bash scripting. In this blog post, we'll explore three methods that you can use to extract substrings in Bash. We will first look at using Bash's built-in

Mastering Azure Kubernetes Service: A Comprehensive Guide to Cloud-Native Application Deployment

Mastering Azure Kubernetes Service: A Comprehensive Guide to Cloud-Native Application Deployment

In the era of cloud-native application deployments, mastering Azure Kubernetes Service (AKS) - Microsoft’s managed Kubernetes Service - can be a game-changer for your career. AKS simplifies containerized applications' deployment, management, and scaling, making it a crucial tool for DevOps engineers This blog post, based on the course

What is Argo CD? Concepts & Practical Examples

What is Argo CD? Concepts & Practical Examples

If you are looking for a way to manage your Kubernetes applications using GitOps principles, you definitely should check out Argo CD. In this article, I will show you what Argo CD is, how it works, and how you can use it to deploy and manage your applications in a

Exploring the Wasm Landscape: Key Takeaways from CNCF's Introduction

Exploring the Wasm Landscape: Key Takeaways from CNCF's Introduction

WebAssembly, commonly known as Wasm, has been making waves in the tech industry. Originally designed for web browsers, it's now finding its place in server-side applications, cloud computing, and even edge devices. The Cloud Native Computing Foundation (CNCF) recently unveiled a comprehensive overview of the Wasm landscape. Here,

How to Use Kubectl Scale on Deployment

How to Use Kubectl Scale on Deployment

Kubernetes is a powerful platform for managing containerized applications. One of the key features of Kubernetes is the ability to scale the pods up or down to optimize performance and resource consumption. In this tutorial, you will learn how to use the `kubectl scale` command to adjust the number of

Kubernetes 1.28 Release

kubernetes release

Kubernetes V1.28 Release

Hey there! Kubernetes has just rolled out its new version, 1.28. It's packed with cool new stuff, better features, and some fixes here and there. But what's really special about this update? It's the story behind it. They've named this release

Terraform Template: Concepts, Use Cases and Examples

Terraform Template: Concepts, Use Cases and Examples

Terraform is an open-source infrastructure as code (IAC) software tool used to manage cloud infrastructure resources. It enables developers to define and provision infrastructure for their applications using a declarative language. Terraform uses configuration files to describe the desired state of the infrastructure and automatically creates, updates, and deletes resources

Ansible Lineinfile Module Tutorial With Examples

Ansible Lineinfile Module Tutorial With Examples

When working with Ansible, you’ll sometimes be required to add, remove, or update a line within files stored in the hosts. Such a task requires one to search for a line in the file that matches a specified regular expression and then perform the specified action on that line.

AWS Cloud Practitioner Course: Your Gateway to the Cloud

AWS Cloud Practitioner

AWS Cloud Practitioner Course: Your Gateway to the Cloud

Are you ready to take your first step into the vast, transformative world of cloud computing? If so, why not start with the most popular cloud service provider, AWS? We have the perfect starting point for you: a comprehensive AWS Cloud Practitioner course from KodeKloud. AWS Cloud Practitioner Certification | KodeKloudTransform

Learn How to Execute Remote Commands With Ansible Shell Module

Learn How to Execute Remote Commands With Ansible Shell Module

Ansible is a popular automation platform that allows you to manage many f nodes simultaneously. One of the most useful features of Ansible is its ability to run ad-hoc commands on remote computers with the Ansible shell module. Using this module, we can run complex commands and shell scripts on

How to Use Kubectl Config Set-Context

How to Use Kubectl Config Set-Context

If you are a Kubernetes user, you probably know how to use kubectl, the command-line tool for interacting with your cluster. But did you know that kubectl has a powerful feature that can make your life easier when working with multiple clusters, users, and namespaces? It’s called kubectl config

4 Commands to Check File Size in Linux

4 Commands to Check File Size in Linux

Whether you need to manage disk space, transfer files over the network, or optimize system performance, knowing the file sizes in a Linux system plays a critical role. In this blog post, we’ll explore four different methods you can use to determine a file's size in Linux.

3 Best Ways to Run Docker in Docker Container

3 Best Ways to Run Docker in Docker Container

Docker is a popular tool for building, running, and managing containers. But what if you want to run Docker inside a Docker container, for instance, in a CI pipeline? How can you achieve that? In this article, I will demonstrate three different methods for running Docker in a Docker container

Eof Bash: What Is It and How Does It Work?

Eof Bash: What Is It and How Does It Work?

Have you ever encountered the term EOF in a Bash script and wondered what it means or how to utilize this feature effectively? If so, you're in the right place. In this blog post, we’ll dive deep into the concept of EOF in Bash, explaining what it

How to Convert Bash String to Lowercase

How to Convert Bash String to Lowercase

String manipulation is a fundamental aspect of scripting in any programming language, and Bash is no exception. One common task is converting the case of strings, which is particularly useful in text processing and analysis. In this blog post, we’ll explore two methods of converting Bash string to lowercase