Devops

Jobs in Kubernetes

Reading Time: 4 minutes As we know, all the controllers have the responsibility of starting up pods and running them continuously, in fact, ensuring that they always stay online based on the type of controller that we’re working with, whether it be a deployment, a ReplicaSet, or a DaemonSet. But what if there is a need to run just a single task in the cluster, or a need to Continue Reading

AWS Transit Gateways – Learning made simple

Reading Time: 7 minutes A transit gateway is a network transit hub. It allows us to interconnect our virtual private clouds (VPCs) and the on-premises networks. The AWS transit gateway saves us the effort of creating multiple VPC peering connections between all the existing VPCs. And establishing VPN tunnels between the on-premise network and each individual VPC, in order to establish connectivity. Imagine a scenario with four VPCs, As Continue Reading

Jobs and CronJobs in Kubernetes

Reading Time: 3 minutes A Job creates one or more Pods and ensures that a specified number of them successfully terminate. Kubernetes Jobs are created to run pods for a short period of time which are running for completion as opposed to different objects in Kubernetes like Replicasets, Replication Controllers, Demonesets, which is run continuously. In Kubernetes , we have two types of jobs: Run to completion Cronjobs Run Continue Reading

How to use Docker Volume

Reading Time: 3 minutes Docker is an open platform for developing, shipping, and running applications. It enables you to separate your applications from your infrastructure so you can deliver software quickly. Docker provides the ability to package and run an application in a loosely isolated environment called a container.  As we know, that when we create any file and use it in any container so by default it is Continue Reading

Using CodeShip with CodeDeploy

Reading Time: 5 minutes What is CodeShip ? CodeShip is a hosted continuous delivery service that focuses on speed, simplicity and reliability. It is a fast and secure hosted CI service that scales as per user’s needs. CodeShip was founded in 2011, and pretty soon it became one amongst the Saas Continuous Integration and Continuous Delivery leader in the market. CodeShip is now backed by a larger company with Continue Reading

Playing with Jenkinsfile

Reading Time: 7 minutes Jenkins – Introduction Jenkins is an open-source automation server that is used to automate all sorts of tasks related to building, testing, and delivering, or even deploying software. CD pipelines refers to the process of getting the application / software from the source control and delivering it to end-users.Few of the features of Jenkins that make it the first choice for a user are : Continue Reading

How to Persist and Sharing Data in Docker

Reading Time: 4 minutes In this blog, we will look at various ways in which storage from the host machine can be mounted to containers. Also, it can be seen as a way of communication in case the networking is disabled for your containers. So let’s get started on how to persist and sharing data in Docker. A quick intro Docker is a popular containerization tool used for packaging, Continue Reading

DevOps Shorts: How to increase the replication factor for a Kafka topic

Reading Time: 2 minutes Have you ever faced a situation where you had to increase the replication factor for a topic? Turns out it’s really easy to do it. In this super short blog, let’s try to do just that. We’d start with creating a topic, one, with a replication factor of just 1 and then work on bits that include creating the increase.json file and then actually triggering the plan. Step 1: Create Continue Reading

Use of Init-Container in Kubernetes

Reading Time: 3 minutes This is the era of containerization and orchestration where the majority of the applications are following the trend of running on a container which is further deployed in a Kubernetes cluster. Init-container in Kubernetes is a special type of container that runs to completion before the main app’s container and the pod will repeatedly restart until all of them succeed. Why init-Containers ? It’s sometimes Continue Reading

Backup and Restoring In Jenkins

Reading Time: 4 minutes If you are using Jenkins for a while then you must be aware about the importance of jobs related data and what can happen when the data is lost. This blog provides some ways through which backup and restoring in Jenkins can be carried out. The data loss can be the result of hardware or software failure, data corruption, or a human-caused event, or accidental Continue Reading