Author: Hitesh Jethva

How to Install Apache Solr on Oracle Linux 8

Apache Solr is an open-source, REST API-based search platform built on Apache Lucene Framework. It is also called “Searching On Lucene w/Replication.” Written in Java Language, Apache Solr is designed for scalability and fault tolerance. Solr is enterprise-ready, fast, and highly scalable, making it ideal for use in search-based and big data analytics applications. In simple terms, Solr is a ready-to-deploy search engine that is optimized to search large volumes of text-centric data.

In this post, we will show you how to install Apache Solr on Oracle Linux 8.

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How to Install Apache Cassandra on Oracle Linux 8

Apache Cassandra is an open-source, wide-column store NoSQL database management system designed to handle large amounts of data. Cassandra can be distributed across many servers to achieve high availability with no single point of failure. Generally, it is used to serve as a real-time operational data store for online transactional applications and as a read-intensive database for large-scale systems. Currently, it is used by many organizations including Netflix, Digg, Adobe, Twitter, HP, IBM, Rackspace, Cisco, and Reddit.

In this guide, we will explain how to install Apache Cassandra on Oracle Linux 8.

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How to Install Yarn NPM Package Manager on Oracle Linux 8

Yarn is a JavaScript package manager used to automate the installation, configuration, update, and removal of npm packages. Yarn stands for “Yet Another Resource Navigator.” It was developed by Facebook and is very similar to the npm package manager, with a focus on speed, security, and consistency. Yarn replaces the existing workflow of the npm client or other package managers while remaining compatible with the npm registry.

In this post, we will explain the following:

  • How to install Yarn using NPM
  • How to install Yarn from repository NPM
  • How to install Yarn using a script

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How to Install Apache Spark on Oracle Linux 8

Apache Spark is open-source distributed processing system used to handle big data workloads in cluster computing environments. It is designed for speed, ease of use, and sophisticated analytics, with APIs available in Java, Scala, Python, R, and SQL. It supports several programming languages including Java, Scala, Python, and R. It can run programs up to 100x faster than Hadoop MapReduce in memory, or 10x faster on disk. It is used by data scientists and engineers for executing data engineering, data science, and machine learning on single-node machines or clusters.

In this post, we will show you how to install Apache Spark on Oracle Linux 8.

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How to Install Docker and Docker Compose on Oracle Linux 8

Docker is a free and open-source containerization platform that allows developers to package applications into containers. Docker uses OS-level virtualization to deliver software in packages called containers. It allows you to create, build and run lightweight and portable application images for any platform.

Docker Compose is a free and open-source tool that helps you to define and share multi-container applications in a single YAML file. With Docker Compose, you can run and connect multiple containers as a single service.

In this post, we will show you how to install Docker and Docker Compose in Oracle Linux 8.

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How to Install Gitea Code Hosting Service on Oracle Linux 8

Gitea is an open-source, self-hosted code hosting platform written in Go. It is very similar to other version control software solutions like GitHub and GitLab with features including issue tracking, pull requests, user management, notifications, and more. It can be installed on all major operating systems including Linux, macOS, Windows, and ARM. With Gitea, you can create a central repository where developers merge and track their code changes in the repository.

If you are looking for an open-source, lightweight, and self-hosted code hosting platform, then Gitea is the best choice for you.

In this post, we will show you how to install Gitea on Oracle Linux 8.

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How to Create and Delete a User in MySQL

Databases are used to store and manage large amounts of information on computers and servers. They are an essential component to running web-based applications, content management systems, and online eCommerce shops. When working with a MySQL database, you may often need to create and delete users. Creating and removing users in MySQL is an essential skill for any database administrator.

In this post, you will learn how to create and delete a user in MySQL.

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How to Check and Repair MySQL Databases and Tables

You may need to check or repair a database or table in MySQL when your website is corrupt or not accessible due to a database error. In this case, you can use the mysqlcheck tool to check and fix the corrupted table or database. mysqlcheck is a maintenance tool that allows you to check, repair, analyze and optimize MySQL tables via a command-line interface. One of the best features of using mysqlcheck is that you can perform database maintenance on a live website without stopping the MySQL service.

In this post, we will explain how to check/repair MySQL databases and tables.

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How to Use Zip and Unzip Commands in Linux

Compressing and uncompressing files and directories is a common task for any system administrator. It is an essential skill when you are working on a headless remote server. There are a lot of tools available to compress and uncompress files and directories. Among them, Zip is a popular and cross-platform command-line tool used to compress and archive data in Linux. It allows you to combine multiple files and directories into a single archive file. The Unzip command is used to decompress or extract the content from the compressed archive.

In this post, we will show you how to use the Zip and Unzip commands in Linux.

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How to Connect to MySQL Using PHP

Free and open-source MySQL is one of the most popular relational database management systems. It is used to store the content of websites and web applications. If you want to integrate a PHP-based web application with MySQL, you will need to test whether PHP is able to connect to MySQL and execute database queries. To retrieve data from MySQL, you must establish a connection between the database and a PHP script. There are two ways to establish a connection between the database and a PHP script.

In this post, we will explain:

  • How to Connect to MySQL Using PHP MySQLi Extension
  • How to Connect to MySQL Using PHP Data Objects (PDO)

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