By default, if you run the command “yum install mysql-server” on CentOS 7, it will install you MariaDB server, a database system similar to MySQL. If you still want to use MySQL Server, please refer to this tutorial. I will guide you how to install… Read More
As I said in the previous tutorial, after creating the Deployment for our application, this application will only be accessible inside the Nodes of the cluster. For the outside of the cluster to be accessible, we need to use the Service object by running the… Read More
Mule 4 is new and there are many problems, it takes a lot of time for us to get familiar, so we know it at all. One of the problems that I’ve had recently with Mule 4 is how to change the default value of… Read More
In Kubernetes, the Deployment object is the main object responsible for deploying and managing our application. It allows us to deploy Pods, update Pods, rollback Pods, and ReplicaSets. How is it in detail? We will find out together in this tutorial! First thing, to create… Read More
When a Pod in the Kubernetes system encounters a problem, it cannot fix itself, which will make our application unstable if there is any problem with Pod. To solve this problem, we need to use ReplicaSet to ensure that the number of Pods required for… Read More
Labels are key:value pairs assigned to an object in Kubernetes such as Pod, which is used so that we can identify a Kubernetes object quickly. And Selector is used to filtering a set of Kubernetes objects that satisfy certain conditions. How is it in details?… Read More
As I said in the tutorial about Overview of Kubernetes components, Pod is a concept, where containers will run in Kubernetes. A Pod may contain one or more containers with the same context, the same node, shared network namespace and volume. When a Pod is… Read More
Kubernetes is built with three main components, Master, Node, and Addons, what is it in details. Let’s take a look at this tutorial, First of all, about the Master component. This component can be considered as the heart of Kubernetes, built to manage all operations,… Read More
In the previous tutorial, I showed you how to install OpenShift using Docker and oc tool on macOS, installing OpenShift using these two tools on CentOS has some differences. I will guide you in this tutorial! First, you need to install the Docker. For oc… Read More
I showed you how to install Docker on Ubuntu. Installing Docker on CentOS is much simpler, just open Terminal, then run the following command:
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sudo yum install docker |
to install Docker. After installation is complete, please start Docker up with the following command:
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sudo service docker start |
To test the results,… Read More
