Author: Hitesh Jethva

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.

Read More

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.

Read More

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.

Read More

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.

Read More

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.

Read More

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.

Read More