Codingtricks-Technology for Innovators

In today's article, I will show you how to deploy Cluster AutoScalar on AWS EKS cluster. Cluster Autoscaler is a tool that automatically adjusts the size of a Kubernetes cluster in response to workload demand. It works by periodically evaluating the resource utilization of the pods running on the cluster and comparing it to the target utilization set by the user. If the actual utilization exceeds the target, Cluster Autoscaler will spin up additional nodes in the cluster to accommodate the...

In today's article, I will talk about how to set up a GitHub webhook for Jenkins. This is really useful when you need to trigger a Jenkins job when a new commit has been pushed to your GitHub repository. Tgithub webhook secret, his method is really useful to automate your CI/CD pipeline and enhance the efficiency of building, testing, and deploying your code. Let's get started. Prerequisites Jenkins Server If you don't have a Jenkins server, you can follow this article to set up your own...

In today's article, I will talk about how to install Nexus repository manager on Ubuntu. Nexus, helps you to to collect, retrieve, manage our artifacts. Let's get started. Install Java First, we need to install Java. If you already have Java installed, you can skip this step. You can install Java by running the following command: 1sudo apt install openjdk-8-jre-headles You can check the Java version by running the following command: 1java -version Now we have finished installing Java....

In today's article, I will show you how to install AWS LoadBalancer Controller on EKS cluster along with fixing some common issues. This controller help to manage Elastic Load Balancers for a Kubernetes cluster. Let's get started. Prerequisites Before you start, we need following things: An existing Amazon EKS cluster eksctl installed kubectl installed Create IAM OIDC provider Firstly, you need to create an IAM OIDC provider for your cluster, this helps to verify the identity of the...

In this article, I will show you how to hide a particular user from Ubuntu login screen. If your system uses AccountService, you cannot hide user from greeter screen by editing lightdm. So do it, there is a very simple process and you can do it in a few minutes. Let's get started. Check AccountService is exists Before you start, you need to check whether your user is exists in AccountService or not. To do this, you need to run the following command: 1ls...

Once you’ve deployed an EKS cluster, and try to view this in the AWS Console, sometimes you may see the following message in your console: "Your current user or role does not have access to Kubernetes objects on this EKS Cluster" This happen because your AWS user account doesn't have access to the Kubernetes control plane. This because of when you create an Amazon EKS cluster, the IAM user or role who is created the the cluster is automatically granted system:masters permissions in the...

Git is a distributed version control system that’s widely used by most software teams today. Git allows you to set a global and per-project username and email address. In this article we are going to see how to configure git username and email address. Set the username/email gloablly The global git username and email address are associated with commits on all repositories on your system that don’t have repository-specific values. To configure the global username and email address, run the...

Jenkins is a continuous integration tool which used to build and deploy applications. SonarQube is a Java based, open-source static code analysis tool. So, in this tutorial we are going to integrate SonarQube with Jenkins. Prerequisites SoanrQube up and running You need a SonarQube server up and running. If you haven't SonarQube server, you can follow this tutorial and set up your SonarQube Jenkins up and running You need a Jenkins server up and running. If you haven't Jenkins server,...

SonarQube is an Open-Source, Java based Code Analysis Tool. It is used to detect bugs, security vulnerabilities, and other code quality issues. It uses database like MS SQL, Oracle or PostgreSQ for storing analysis results. So, in this tutorial we will use open-source database PostgreSQL. Pre-requistes Instance with at least 2 GB RAM Install Java To configure the SonarQube server, you need to install Java. To install Java, follow the command below: 1sudo apt-get update && sudo...

Jenkins is a continuous integration tool. It is used to build and deploy applications. Normally, there are number of build projects preconfigured in a Jenkins Server. However by default, all builds will be executed on the same instance that Jenkins is server up & running. This results to reduce your performance of the Jenkins Server. To avoid above problems, Jenkins provides the capability to execute builds on external hosts (called build agents). To fulfill above requiremnt, we are going...