Introduction Apache Spark is a widely used distributed computing framework for big data processing. It provides a flexible and scalable solution for processing large amounts of data in a timely manner. However, deploying and managing a Spark cluster can be a challenging task, especially for those who are new to ... Read More

Introduction Red Hat Enterprise Linux 7 (RHEL 7) is a popular operating system used in many enterprise environments. As a system administrator, automating installation process of RHEL 7 can be very beneficial. Automating installation process saves time and reduces risk of human error. Kickstart is a tool that can be ... Read More

As a Linux user, you probably find yourself navigating through your file system on a regular basis. Whether you're moving between directories to run commands or searching for specific files, you may have found that using "cd" command can become cumbersome and time-consuming, especially if you have to navigate through ... Read More

Introduction When using a Linux shell, it's essential to ensure that user is logged out when they are not actively using system to ensure security and efficiency. This can be achieved by setting an automatic logout timer using TMOUT shell variable. In this article, we will explore how to set ... Read More

Atom is an open-source text and source code editor that was first released in 2014. It is created by GitHub and built on Electron framework, which makes it easily extensible and customizable. Atom is designed to be a hack able editor, which means that it can be modified and configured ... Read More

RAID (Redundant Array of Independent Disks) is a technology that helps in storing and protecting data across multiple hard drives. It is a powerful tool for ensuring data availability and system reliability, and is commonly used in enterprise-level applications. RAID technology offers different levels, each with its own pros and ... Read More

Creating a Q&A forum can be a great way to build a community and connect people who share common interests. With popularity of platforms like Stack Overflow, many developers and enthusiasts are looking to create their own Q&A forums. In this article, we will explore how to create a Q&A ... Read More

As a system administrator, it is crucial to keep an eye on network activity in order to ensure security and detect any anomalies. In Linux, one useful tool for monitoring Ethernet activity is Arpwatch. In this article, we will explore what Arpwatch is, how it works, and how to use ... Read More

Log files are a vital component of any computer system, they contain a detailed record of activities and events that occur on a system. These files can help you understand what happened in past, but in certain scenarios, you might want to monitor them in real-time to stay ahead of ... Read More

As an open-source operating system, Linux provides various tools and commands that allow users to manage their disk and partition configurations. Whether you're a system administrator or a casual user, you may need to view your disks and partitions at some point. In this article, we'll explore four ways to ... Read More