Found 1383 Articles for Open Source

Hive is an open-source data warehousing framework built on top of Apache Hadoop. It allows users to query large datasets stored in Hadoop using a SQL-like language called HiveQL. Hive provides an interface for data analysts and developers to work with Hadoop without having to write complex MapReduce jobs. In this article, we will discuss how to install and configure Hive with high availability. High availability (HA) is a critical requirement for any production system. HA ensures that system is always available, even in event of hardware or software failures. In context of Hive, HA means that Hive server is ... Read More

FTP (File Transfer Protocol) is a popular protocol used for transferring files between client and server machines. An FTP server allows clients to connect to server and access files stored on server. Ubuntu, a popular Linux distribution, comes with many FTP servers available for installation. In this article, we will discuss how to install and configure an FTP server in Ubuntu. Step 1: Install FTP Server The first step in setting up an FTP server in Ubuntu is to install FTP server package. There are several FTP server packages available for Ubuntu, including vsftpd, proftpd, and pure-ftpd. In this article, ... Read More

In today's era, use of clusters has become increasingly important in field of computing. A cluster is a group of interconnected computers that work together as a single entity. They are used for high-performance computing, data analysis, and other applications where a single computer is not sufficient to handle load. In this article, we will discuss how to install and configure a cluster with two nodes in Linux. Before we proceed, it's important to understand concept of a cluster. A cluster consists of two or more nodes that work together as a single system. Each node is a separate computer ... Read More

Cloudera Manager is an enterprise-level software solution for managing Apache Hadoop clusters. It provides a web-based interface for deploying, configuring, and monitoring Hadoop clusters. Cloudera Manager is available in both open-source and enterprise editions. In this article, we will discuss how to install and configure Cloudera Manager on CentOS/RHEL 8. Prerequisites Before we proceed with installation, make sure that following prerequisites are met − A fresh installation of CentOS/RHEL 8 A user with sudo privileges A stable internet connection Step 1: Install Java Cloudera Manager requires Java to be installed on system. CentOS/RHEL 8 comes with OpenJDK pre-installed, ... Read More

OpnSense is an open-source, easy-to-use firewall platform that provides robust network security solutions. It is based on FreeBSD and offers a user-friendly web interface for configuring and managing firewall. This article will guide you through process of installing and configuring a basic OpnSense firewall. Step 1: Download OpnSense ISO The first step in installing OpnSense is to download ISO image from official website. latest stable release can be found on OpnSense downloads page. You will need to select appropriate image for your hardware architecture (e.g., AMD64, ARM, etc.). Step 2: Create a Bootable USB Drive Once you have downloaded ISO ... Read More

Apache Tomcat is a popular open-source web server and servlet container that is widely used to deploy Java-based web applications. In this article, we will show you how to install and configure Apache Tomcat 9 on CentOS 8/7. Step 1: Install Java The first step to installing Apache Tomcat is to install Java. Tomcat requires a Java Development Kit (JDK) version 8 or later to be installed. You can check installed Java version on your system by running following command − java -version If Java is not installed on your system, you can install it by running following command ... Read More

Ansible is a popular open-source automation tool that allows system administrators to automate repetitive tasks and manage multiple servers simultaneously. It is widely used for configuration management, application deployment, and task automation. While Ansible is primarily designed for Linux and Unix-based systems, it can also be installed on Windows. In this article, we will guide you through process of installing and configuring Ansible on Windows. Requirements Before we begin, make sure your Windows machine meets following requirements − A Windows operating system (Windows 7, Windows 8, Windows 10, or Windows Server 2012 or later) A minimum of 4GB RAM ... Read More

Ansible is an open-source automation tool that is used to automate software provisioning, configuration management, and application deployment. It uses a simple syntax called YAML to describe tasks in a playbook. Ansible can be used to manage a large number of servers and can be run from a central location. In this article, we will discuss how to install and configure Ansible on Ubuntu 20.04. Step 1: Update System Packages Before installing Ansible, it is always a good practice to update system packages to latest version. Open your terminal and execute following commands − sudo apt update sudo apt upgrade ... Read More

NFS or Network File System is a widely used protocol that allows remote clients to access shared files over a network. Installing and configuring an NFS server on Ubuntu 18.04 is a straightforward process, but it requires some basic knowledge of Ubuntu commands and file systems. In this article, we will walk you through steps to install and configure an NFS server on Ubuntu 18.04. Step 1: Update System Before installing any software, it's always a good practice to update system. To do this, open terminal and run following command − sudo apt update && sudo apt upgrade This ... Read More

Ansible is an open-source automation tool that enables system administrators to automate IT tasks such as application deployment, configuration management, and infrastructure orchestration. Ansible uses a declarative language to describe system configurations and runs tasks in parallel on multiple machines at same time. One of key components of an Ansible deployment is control node, which manages deployment process. In this article, we'll guide you through process of installing and configuring an Ansible control node on a Linux machine. Prerequisites Before we begin, you will need following − A machine running a Linux distribution (such as Ubuntu, CentOS, or Debian) with ... Read More