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10 Books Every DevOps Engineer Should Read

Introduction:

DevOps is a set of practices that combines software development (Dev) and IT operations (Ops) to shorten the systems development life cycle and provide continuous delivery with high quality. DevOps engineers are responsible for implementing and maintaining these practices.

There are many great books available on DevOps. Here are 10 of the best books that every DevOps engineer should read:

  1. The DevOps Handbook: How to Create World-Class Agility, Reliability, and Security in Technology Organizations by Gene Kim, Jez Humble, Patrick Debois, John Allspaw, and John Willis. This book is considered to be the "DevOps bible" and is a comprehensive guide to the principles and practices of DevOps.
  2. The Phoenix Project: A Novel about IT, DevOps, and Helping Your Business Win by Gene Kim, Kevin Behr, and George Spafford. This book is a fictional story that illustrates the benefits of DevOps through the eyes of a fictional IT manager.

Kubernetes Workloads (Deployments, Jobs, CronJobs, etc.)

 

Deployments

In Kubernetes, Deployments provides updates for pod and replica sets. It is basically a tool to manage how the pod will behave inside the cluster.

Once we declare the desired state in the YAML file, the deployment controller makes sure the actual state to desired

Linux Services KodeKloud Engineer Task Success

 As per details shared by the development team, the new application release has some dependencies on the back end. There are some packages/services that need to be installed on all app servers under Stratos Datacenter. As per requirements please perform the following steps:


a. Install cups package on all the application servers.

b. Once installed, make sure it is enabled to start during boot.





ssh tony@stapp01. (then enter password)


sudo su - 


sudo yum install cups -y


sudo systemctl start cups 


sudo systemctl enable cups 


sudo systemctl status cups 


repeat for all servers with the same commands



Notes

Karpenter Vs Kubernetes Cluster Autoscaler

 

What is Karpenter?

Karpenter is open source, high-performance Kubernetes cluster auto scaler which can basically schedule the right kind of compute resources to your cluster in response to changing application load.

With the usage of Karpenter in your cluster you can improve efficiency and cost of running workload.