DevOps is known as Development Operations which has a large extent of applicability in Automation, Continuous Integration and Continuous Deployment. I will cover the most popular tools like Ansible, Puppet, Helm Charts, Salt, Docker, Kubernetes, Terraform, Git etc under this Category.
In this article, we will how to setup opsgenie account for free. Atlassian Opsgenie is a very famous alerting and On-call management management tool. It is a modern incident management tool that ensures the generation and handling of critical alerts in shortest period of time. It employs an excellent automation process that takes care of ... Read more
In this article, we will see how to solve unable to index file Permission denied error which comes up during when we add the changes using git add command. It is not very often that when I run git add command then I would end up in getting an error but last night when I ... Read more
In this article, we will see how to setup passwordless authentication for git push in GitHub. If you are using GitHub hosting service to keep and manage your project source code then you might have noticed that during every git push, it will ask you to provide user name and password to authenticate. As a ... Read more
In this article, we will see how to lock master branch in GitHub repo and prevents users from pushing any changes to the branch. I am pretty sure whenever you plan your branching strategy, the first priority is always given to protect the master branch from any mishap as this branch is usually used for ... Read more
In this article we will see how to solve Multi-Attach error for Volume pvc-xx Volume is already used by pod xx. This error basically means that the PVC volume which the pod is trying to attach during initialization is already attached to another pod. While in few of the cases, it is easy to understand ... Read more
![Using Arithmetic Operators in Ansible [Best Examples] 25](https://www.cyberithub.com/wp-content/uploads/2022/12/arithm.jpg)
In this article, we will see different arithmetic operators in Ansible with the help of best examples. While writing ansible playbooks, many times you might have faced a scenario where you have to write some logic to perform certain types of operations by using different operators. In ansible, there are many different types of operators ... Read more
Kubernetes, also known as K8S, is an open-source system for programming deployment, scaling, and operating containerized applications. Kubernetes helps you deploy containers across a pool of computing resources, such as servers. The core feature of Kubernetes is that it makes it easy to deploy and manage containers. Through Kubernetes, you can quickly deploy your container ... Read more
In this article, we will see how to solve "error: failed to push some refs to remote" if you are also getting this error. Last night when I was trying to push my release branch changes to the remote master, I noticed that it was failing with the "error: failed to push some refs to ... Read more
In this article, we will look into an open source tool called Dive which is used for analyzing docker image and layering its contents. This tool has the capability to show docker image contents broken down into layers. Dive with another tool called Jib is ideal for a situation where you have bunch of applications ... Read more
In this article, we will see how to fix Harbor Auth Mode which sometimes shows in disabled mode. This is a very common scenario with all those users who has been using Harbor in default Database Auth Mode. The problem comes when you need to change the Authentication mode to anything but Database mode. Currently ... Read more