DevOps Blog (Page 8)

How To Break a Single String Over Multi Lines in Yaml?

How To Break a Single String Over Multi Lines in Yaml

In DevOps, you’ll often find yourself creating configuration files that define the behavior of an application, deployment, or system. When working with Kubernetes or Ansible, those configuration files will mostly be in YAML format. If the configurations you are defining in YAML are complex, you might be required to

Kube-Proxy: What Is It and How It Works

Kube-Proxy: What Is It and How It Works

Networking is a crucial part of Kubernetes. Understanding how different network components work will help you configure your cluster to meet your application’s needs. Behind a Kubernetes network, there is a component that works under the hood, translating your Services into usable networking rules. This component is called Kube-Proxy.

How to Add YAML Comments with Examples

How to Add YAML Comments with Examples

Comments are an essential part of code because they help explain what the code is doing. They also help make the code clean, organized, and easily understandable. In this article, we’ll look at how to add comments in YAML and the different use cases. Additionally, we’ll discuss the

SRE vs Devops: Understanding The Key Differences

SRE vs. DevOps: Understanding The Key Differences

If you are interested in software development and IT operations, you may have heard of two popular terms: SRE and DevOps. But what do they mean, and how do they differ? Key Takeaway * SRE and DevOps are two approaches that aim to improve the reliability and speed of software development

Salaries for Kubernetes jobs in Q1 2023

Salaries for Kubernetes jobs in Q1 2023

How much are Kubernetes Engineers getting paid? What's a good salary to expect for a Kubernetes position? Have the salaries increased with time? And if so, by how much? The best way to get answers to the above questions (and more) is by using reliable data. Recently, Kube

How to Pass Environment Variables to Docker Containers?

How to Pass Environment Variables to Docker Containers?

Containerized applications can run seamlessly across a variety of environments, including development, testing, and production. As these applications move from one environment to another, they often require some configurations to be adjusted to meet each environment's unique needs. For example, in a development environment, enabling verbose debugging can

Kubernetes Update 1.27: Chill Vibes Edition - Exploring the Latest Enhancements

Kubernetes Update 1.27: Chill Vibes Edition - Exploring the Latest Enhancements

Today, our focus will be on delving into the most recent developments and alterations within the Kubernetes platform. We will specifically concentrate on Version 1.27, the latest release that has been made available. This update is packed with new features, API changes, improved documentation, cleanups, and deprecations that can

How to deploy postgres on Kubernetes for scalable web application

How to Deploy Postgres on Kubernetes for a Scalable Web Application

Postgres is a popular open-source relational database that offers many features and benefits for web applications. However, managing and scaling Postgres can be challenging, especially when you have to deal with high availability, backups, migrations, and security. In this article, we will show you how to deploy Postgres on Kubernetes

How to Restart a Pod in Kubernetes

How to Restart a Pod in Kubernetes

Restarting a Pod is a common operation in Kubernetes. There are several reasons why you might want to restart a Pod. For example, you might want to update the container image to a newer version or modify the environment variables to adjust how your application works. In this blog post,

Git Switch vs. Checkout: What’s the Difference?

Git Switch vs. Checkout: What’s the Difference?

One of the most important features of git is the ability to create and work on different branches. Branches are like parallel timelines of your project, where you can work on different features or experiments without affecting the stable code. We navigate between branches using either git switch or git

YAML vs. JSON: Breaking Down the Key Differences

YAML vs. JSON: Breaking Down the Key Differences

In software development, YAML and JSON are often used for configuring applications, setting up infrastructure, and interacting with web application interfaces (Web APIs). While both can be used interchangeably in some cases, they are very different. This article discusses the features they bring to the table and their key differences.

Explaining IAM roles in Google Cloud Platform (GCP): Basic, Custom, and Predefined

Explaining IAM roles in Google Cloud Platform (GCP): Basic, Custom, and Predefined

From storage solutions to application development, Google Cloud Platform (GCP) offers a wide variety of services to meet the needs of its users. But with these opportunities comes several security risks. This is where Identity and Access Management (IAM) roles come in, providing an extra layer of security for your

Top 5 Tips to Prepare for the CKA Exam in 2023: A Comprehensive Guide

Top 5 Tips to Prepare for the CKA Exam in 2023: A Comprehensive Guide

This blog post offers valuable insights and tips to enhance your performance in the CKA (Certified Kubernetes Administrator) exam

Docker-Compose Logs: How to View Log Output?

Docker-Compose Logs: How to View Log Output?

As you deploy containerized applications using Docker, you may occasionally encounter issues that prevent your applications from running as expected. This is where effective troubleshooting becomes essential, and logs serve as your best tool for this purpose. Logs are detailed records of the events that occur within an application. They

Kubectl Rollout Restart: What Is It and How to Use It?

Kubectl Rollout Restart: What Is It and How to Use It?

In Kubernetes, kubectl rollout restart is a command used to start a new rollout process for three specific Kubernetes objects: Deployment, DaemonSet, and StatefulSet. A rollout process essentially means a gradual, step-by-step recreation of Pods — The old Pods are not removed entirely until the new Pods are running successfully. This

Git detached head: What is it & How to fix it

Git detached head: What is it & How to fix it?

Have you ever paused for a few seconds, staring at your screen with bewilderment, trying to figure out the informational message Git wrote to the console? And how you got to the state Git says you are in? You are not alone! We have been there, and that’s exactly

How to Debug CrashLoopBackOff in a Container or Pod

How to Debug CrashLoopBackOff in a Container or Pod

When trying to get your containerized application up and running in a Kubernetes cluster, you may run into errors that prevent the application from running. One such error is CrashLoopBackOff. In this blog post, we’ll learn how to debug the CrashLoopBackOff status of a Pod. Our approach? We’ll

How to delete local and remote branches in git

How to Delete Local and Remote Branches in Git

You may have been in a situation where you need to switch between tasks you are working on, which are on different branches. But you probably don’t remember the full branch name you want to switch to. So, you run the git branch command from your develop branch on

What is Ansible Playbook and How to Write it?

What is Ansible Playbook and How to Write it?

Infrastructure automation is an essential aspect of IT operations in the modern world. It allows organizations to easily achieve scalability, efficiency, and consistency. It also allows DevOps engineers to focus on higher-priority tasks instead of spending time on repetitive, mundane tasks. One of the most popular and powerful infrastructure automation

Vertical Pod Autoscaler (VPA)

Vertical Pod Autoscaler (VPA) in Kubernetes Explained through an Example

Kubernetes provides a shared pool of resources allocated based on how you configure your containerized application. The allocation process is handled by a Scheduler, which checks the resource requirements of each container and selects an appropriate node to deploy the container’s pod. You define a container’s resource requirements

How to delete tags locally and remotely in Git

How to delete tags locally and remotely in Git

It’s the 2nd quarter of the year, and you and your team have built lots of exciting features to be launched this quarter. You, as the release manager, are prepping for the next release by collaborating with other teams. You have to ensure a smooth and successful release process

kubectl logs: How to Get Pod Logs in Kubernetes (With Examples)?

Kubernetes Logs

kubectl logs: How to Get Pod Logs in Kubernetes (With Examples)

Kubernetes is a container orchestration tool used to deploy and manage containerized applications. Like any software, these applications can sometimes fail or not perform as expected due to various reasons. When such failures occur, it’s important to identify and rectify the issue quickly. One key aspect of troubleshooting involves