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 see how to trigger a cronjob manually in Kubernetes Cluster. Cronjob in kubernetes is used for scheduling job to perform certain task such as backups, report generation, migration, data sync etc. Cronjob object is like a one line of crontab file used in Linux/Unix systems. A job can create one ... Read more
In this article, we will see how to delete a kubernetes pod stuck in terminating state for quite sometime. It is often observed that whenever we try to deploy a new release of our application in kubernetes cluster, new pod gets created using the latest image but the older pods get stuck in terminating state ... Read more
In this article, we will see how to solve terraform error - "error acquiring the state lock". You might notice this error always comes with an error message "ConditionalCheckFailedException: The conditional request failed". Before going into the error, let's first understand what is state locking in Terraform? Whenever you perform any terraform operations then it ... Read more
In this article, we will see how to remove application access to your GitHub Account. Now a days, many of the applications such as new relic, synk, ngrok, pwk etc provide an option to sign in to their portal using GitHub Account in case you don't want to sign up and create a separate account ... Read more
In this article, we will see the steps to install Black Duck Using Synopsysctl on Kubernetes Cluster. When it comes to managing security and code risks in your applications and containers then there is no better solution than using Black duck for comprehensively scanning and managing all vulnerabilities. Black duck is a complete open source ... Read more
In this article, we will see how to rename a tag in git using 10 easy Steps. Sometimes you might face a scenario where after tagging a commit with the release version, immediately a bugfix or hotfix will also come under the same release for which there was another commit done and that also needs ... Read more
In this article, we will see how to tag a Git commit Using 6 Simple Steps. If you are using Git based version control system then you might be aware that tagging a commit is like marking or labelling your work as you progress in your project release and deployment activities so that in future ... Read more
In this article, we will see how to solve Kubectl error: You must logged in to the Server (Unauthorized). It is not very uncommon that whenever you try to switch your context or namespace and use kubectl get pods command to check the status of pods then all you get on the output is this ... Read more
In this article, we will see how to rollback deployment in Kubernetes Using 4 Easy Steps. In a prod environment, sometimes it does happen that you do a specific deployment in your Kubernetes cluster and even after doing all the testing in lower environments, it fails due to certain reasons resulting in downtime of your ... Read more
In this article, we will try to understand how you can determine the maximum number of kafka consumers that you can scale up to in a kubernetes cluster at any point of time. To understand this problem, you need to have an understanding on Kafka Architecture. You can always check Popular Apache Kafka Architecture Explained ... Read more