In this article I will take you through 5 practical steps to create and use ReplicaSet in kubernetes with examples. ReplicaSet is an important concept brought up in Kubernetes to make sure that the required resources(pods) are always available. It is known to be the successor of Replication Controller. Without ReplicaSet if you have to ... Read more
In this tutorial, we will look into 3 methods to horizontal scale up/down the pods based on CPU utilization in Kubernetes. Scaling is a feature which is used extensively in Kubernetes technology where resources can be increased or decreased depending upon the current Server workload. There are basically two types of scaling - Horizontal and ... Read more
In this tutorial, I will take you through 3 easy ways to deploy/create pods in Kubernetes. If you are using docker from long time then you might be aware that docker uses containers to deploy applications in a Server which is very specific to that Server and cannot be shared or migrate to another Server. ... Read more
In this tutorial, we will go through polymorphism concepts in python with examples. Polymorphism is made up of two words: poly means many and morphism means several different forms. Like many other Object Oriented Programming Languages python also has the polymorphism concept. In this concept same object can perform in variety of ways based on ... Read more
In this tutorial I will take you through Inheritance concepts in Python with Best Working Examples. If we talk about a real life example, Inheritance is when a child inherits some of the properties from their parents. It can be the eye color, skin color or any other gene characteristics. In a similar way if ... Read more
In this tutorial, I will guide you through the steps to create new custom namespaces in Kubernetes. Namespaces are one of the key features in Kubernetes frequently used to divide the physical cluster into multiple virtual clusters. Each virtual cluster acts as a namespace under which multiple resources can be created. What is Namespace in ... Read more
In this article, we will look into how StringBuffer class is different from StringBuilder Class in Java. A StringBuffer Class is same as String Class with only exceptions that it is mutable which means it can be changed while String Class is Immutable as it cannot be changed. On the other hand if we talk ... Read more
In this tutorial I will take you through the best steps to Install growpart command and Resize root partition in Linux (RHEL/CentOS 7/8). You might have faced a scenario where after installing Linux OS in your Server you needed more space in root partition to install more packages and libraries. While you can increase the ... Read more
In this article, I will guide you through 50 Useful Zypper Command Examples to Manage Packages on OpenSUSE Linux. You might have heard about yum utility for managing packages on RHEL/CentOS Based Servers and apt-get utility on Ubuntu/Debian Based Servers. Similarly we have zypper utility available for OpenSUSE/SUSE based Servers. Zypper is a very useful ... Read more
In this article, I will show you how to start and enable sshd service in OpenSUSE Linux. Sometimes when you try to connect your Server through ssh protocol on Port 22, you won't be able to connect because sshd service is not yet started or not running. Even if you start the sshd service and ... Read more