In this blog, We are going to learn how Terraform keeps tracks the state of your infrastructure and configuration. With the help of an example, we will learn how can we store state file to a remote location. We can create infrastructure on a cloud in various ways using CLI, directly using UI or any automation tool like terraform etc. Then how terraform would know Continue Reading
Helm is a powerful tool which can help you manage your most complex applications running on Kubernetes. It works as a wrapper on the top of Kubernetes to manage applications. This is the best possible way to find, use and share the application built to run over Kubernetes. Helm is one of the incubating projects in CNCF family The latest version of Helm is maintained by the CNCF – Continue Reading
Kubernetes is a portable, extensible open-source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. It has a large, rapidly growing ecosystem. Kubernetes builds upon a decade and a half of experience that Google has with running production workloads at scale, combined with best-of-breed ideas and practices from the community. Kubernetes services, support, and tools are widely available. A few months Continue Reading
Linux supports both POSIX reliable signals and POSIX real-time signals. Signal Dispositions: Each signal has a current disposition, which determines how the process behaves when it is delivered the signal. We have different types of signals in Linux The specified default disposition of few signals are below: Term : default action is to terminate the process.Ign : default action is to ignore the signal.Stop : Continue Reading
In this blog, we are going to create a source distribution and wheels of python package using Setuptools. Before moving towards how we can package. Let’s first understand what source distribution and wheel file are. Package means a usable unit or library which can be provided to solve a particular use case. For packaging, we have different build tools like in Scala we have SBT Continue Reading
Have you ever tried adding GitHub webhook in Jenkins?? In this blog, I will be demonstrating the easiest way to add a webhook in our pipeline. First, let’s see what is a webhook?? The concept of a WebHook is simple. A WebHook is an HTTP callback: an HTTP POST that occurs when something happens. GitHub webhooks in Jenkins is used to trigger our build whenever Continue Reading
In this blog, we will take a leap into the world of DevOps and learn some basic terms used in it. Let’s understand with the example.
Introduction Let’s talk about init processes, What are they and how they work? Init stands for initialization which implies that it is the first process that runs when we start our system. This process is the father to all the processes. There are some disadvantages due to which it has been replaced by Systemd. These disadvantages are as follows: Starts tasks serially. It waits for one Continue Reading
Kubernetes API is growing day by day and they are adding new features every day. The latest feature they added was DaemonSet. Although they had ReplicaSet, DaemonSet is the K8 object they added. Let’s see the difference. ReplicasSet will ensure that the number of pods (defined in our config file) is always running in our cluster. Does not matter in which worker node they are Continue Reading
Log Rotation through Ansible to compress log files and save disk space.
In this blog, we are going to deploy a sample load balanced app over DCOS and expose it to the outside of the cluster using Marathon-lb. Here we will be using a containerized application which serves a DCOS site. Here we are using Marathon-lb as an external load balancer. It is based on HAProxy which provides proxying and load balancing for TCP and HTTP based applications. Continue Reading
First, There was Waterfall model, software builds took a long time to develop and then deployment alone was time-consuming. Now, Agile, revolutionizing the way we follow the development cycle making it faster, deliverables have the same quality and they are delivered much faster. Bang! and Now we have Dev Ops.. Where the Agile methodology releases build annually, quarterly or monthly, Dev Ops speed up the Continue Reading
Jenkins is a cross-platform, continuous integration and continuous delivery application that can be used to build and test your software projects continuously making it easier for developers to integrate changes to the project, and making it easier for users to obtain a fresh build, which in turn increases your productivity. When you are working on a number of projects which get built on a regular Continue Reading
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