Hello readers, this blog will teach you about iptables and its use with some basic use cases. What is Iptable? Iptable is the built-in linux firewall which includes some conditions, known as rules, according to which the traffic is allowed on the machine. It monitors the incoming and outgoing traffic and filter it according to the … Continue reading Introduction to Iptables in Linux
Hello readers, in this blog I’ll tell you how you can setup Jenkins in a docker container. I’ll also cover how to start Jenkins container and what are the required setting and configurations you are required to have. So before getting started, let’s know some basics about docker and jenkins. Docker Docker is basically a … Continue reading Run Jenkins as Docker Container
Hello readers, I’ll be covering about the basic unit of execution in Kubernetes, which is Pod. What are pods? Pods are the atomic unit of scheduling in kubernetes. Its the smallest and the simplest unit in Kubernetes object model that you create and deploy. A pod consist of 1 or more containers which shares common storage and network namespaces. … Continue reading Kubernetes Pods: The Basic Deployable Unit
Hello readers, if you are new to this term ssh, then this is the blog for you. I’ll cover SSH from basic, laying down its importance and will show you how to configure SSH for remotely accessing a Linux server. What is SSH and why it is required? SSH stands for Secure Shell. It is a … Continue reading The Concept of Secure Shell (SSH)
Welcome readers, I’ll be covering various modules that are used for installing any package on different Linux distributions via Ansible. To know the basics of Ansible, you can go through this blog: Introduction to Ansible. What are Modules? Ansible includes small programs which are remotely executed on the server. They are included in playbooks which are … Continue reading Ansible Modules for installing packages
Hello readers, in this blog, I’ll be covering what Kubernetes is and will give you an overview of Kubernetes’ master-worker architecture and its components. So let’s get started. What is Kubernetes? Kubernetes is an open source container orchestration tool, or we can say it’s a container management tool. Here, I’ve used the term orchestration, which defines … Continue reading Overview of Kubernetes Architecture
This blog will provide you with the basics of maven, its importance and its life cycle. For installation, you can refer here and then continue with this blog. Why a Build tool? Initially, while learning and developing small projects, we compile limited classes and include specific JAR libraries on our own which are required to build our … Continue reading Maven Simplified
Hello readers, as you have visited here, you must be aware of Interfaces in Java. Before Java 8, all methods defined in an interface are public and abstract by default. After Java 8, there were certain enhancements in interfaces. Amongst all the enhancements in Java 8, one of them is “Functional Interface”. What are Functional Interfaces? … Continue reading Functional Interfaces In Java8
Hello readers, welcome to my blog on users and groups in Linux. As we know that Linux is a multi-user operating system, we'll see how to add and configure the users and groups in Linux. What does Multi-user mean? An operating system is considered as multi-user when it allows multiple users to access a computer. … Continue reading Users and Groups in Linux
Hello readers, in this blog, I'll be covering about the limitations of futures and how they were covered in Java 8's CompletableFuture. To know about threading and futures in java, you can refer to my blog: Threading and Futures in Java. Before CompletableFuture - Futures Future is used to hold the returned value from the … Continue reading What after Futures – CompletableFuture
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