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 used to automate installation process of RHEL 7. In this article, we will look at how to use Kickstart to automate RHEL 7 installations. What is Kickstart? Kickstart is a tool used to automate installation process of RHEL 7. With Kickstart, you can create a script that contains all configuration ... 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 multiple directories. Fortunately, there's a solution: Autojump. What is Autojump? Autojump is a tool that allows you to quickly and easily navigate through your file system by learning your most frequently used directories. It's an alternative to standard "cd" command, and it's especially useful for users who work with a ... 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 up auto logout in Linux shell using TMOUT shell variable, its benefits, and how to modify settings. What is TMOUT Shell Variable? TMOUT is an environment variable in Linux shell that defines number of seconds a shell session can be idle before it is automatically logged out. When this variable ... 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 to suit individual needs. In this article, we will explore Atom's features and capabilities, as well as how to use it for text and source code editing. What is Atom? Atom is a text and source code editor that was developed by GitHub, popular web-based code repository. It's designed to ... 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 cons, and these levels are implemented by assembling partitions as RAID devices. In this article, we will explore different RAID levels and how partitions are assembled as RAID devices. RAID Levels There are several RAID levels, each with its own advantages and disadvantages. most common RAID levels are − ... 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 forum like Stack Overflow using Askbot. What is Askbot? Askbot is an open-source Q&A forum software that is designed to be simple, fast, and user-friendly. It is written in Python and built on top of Django web framework. Askbot offers a similar user experience to Stack Overflow, with features like ... 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 it effectively. What is Arpwatch? Arpwatch is a tool that monitors Ethernet activity on a network. It is designed to keep track of Ethernet/IP address pairings (ARP activity) and alert system administrator when any changes occur. ARP (Address Resolution Protocol) is a protocol used to map an IP address to ... 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 issues and troubleshoot problems before they escalate. In this article, we'll explore 4 ways to watch or monitor log files in real-time. Tail Command The tail command is a popular utility used to display last few lines of a file. It's particularly useful when you want to monitor a log ... 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 view disks and partitions in Linux, along with some examples. Using fdisk Command fdisk is a command-line tool that allows you to view and manage disk partitions on Linux systems. To view disk partitions, you need to run fdisk command with disk device name as an argument. The following command ... Read More

If you use Linux for remote access to other servers or devices, you are likely familiar with SSH (Secure Shell) protocol. SSH is a network protocol that enables secure data communication over an unsecured network. However, sometimes SSH connections can be slow, and that can be frustrating. In this article, we will look at four ways to speed up SSH connections in Linux. Use Compression Compression is a method of reducing size of data transmitted over network. It can significantly improve speed of SSH connections, especially over slow or high-latency networks. To enable compression, you need to add following line ... Read More