Applications

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LibreNMS: What is it and how does it work?

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LibreNMS gUIDE

This article covers the LibreNMS network monitoring tool, from installation and configuration to features and usage. Introduction to LibreNMS LibreNMS is a powerful open-source network monitoring solution that can be used to monitor devices and services on your network. It offers a wide range of features, including support for a variety of protocols, performance monitoring, alerts, and more. LibreNMS is easy to install and configure, and it can be used on a variety of platforms. In this guide, we will cover the basics of LibreNMS, … Read more

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GB Studio Linux Mini Review + Screenshots

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GB Studio Linux screenshots mini review

GB Studio is an easy to use game development tool that lets you make make games in a simple drag-and-drop interface.  Here’s a short review including screenshots of GB Studio running in Linux. In this article, I’ve taken some screenshots and made some notes as I installed and got up and running with GB Studio – it serves as a quick guide/review so you know what to expect if you decide to check it out. What is GB Studio? GB Studio is probably one of … Read more

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How to Install and Use Netstat on Linux (CentOS/RHEL, Debian/Ubuntu, OpenSuse & Arch Linux)

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How to Install and Use Netstat on Linux

This article provides a tutorial on how to install and use Netstat, a command-line network tool, on Linux. Netstat is a command-line utility that can be used to view network connections, routing tables, and a variety of other network-related information on Linux systems. While Netstat is typically used to troubleshoot network issues, it can also be used for tasks such as monitoring server traffic or checking which ports are open on a system. Why Use Netstat? Netstat is a network monitoring tool that can be … Read more

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How to Configure vsftpd an Anonymous FTP Server

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Anonymous vsftpd server

This article will show you how to configure vsftpd as an anonymous FTP server which does not require authentication. vsftpd is an FTP file server which can run on Linux. FTP is is the file transfer protocol. It’s been around forever (since the 1970’s!), so it works with just about everything. I run vsftp on an openwrt router as a quick and dirty file sharing solution that will work with even the oldest of my devices (including Windows 3.1 and old Macintosh computers). The software for these old machines … Read more

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Snowflake/Muon: the Best GUI SSH Connection Manager on Linux

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Muon Snowflake SSH Connection Manager

Secure, powerful remote access is one of the cornerstones of Linux’s functionality. The SSH protocol powers this, and Snowflake/Muon is an excellent tool for managing SSH connections. The flexibility and security of SSH are part of why Linux is so popular as a server OS. This article is part-introduction to SSH and part-review of the Snowflake (now known as Muon, but still referred to as Snowflake in many places). I’ve been using it for a while, and the project deserves attention! What is SSH? SSH is a secure network protocol. … Read more

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Office Software for Linux/Ubuntu – What are the Options?

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Office For Linux

This article will cover some options for office productivity software for Linux. Microsoft Office dominates the office productivity space – it’s the industry standard. If you’re in business, other businesses probably expect to be able to send you an Excel or Word file and for you to be able to view or edit it. Microsoft Office, of course, does not run on Linux (unless you want to run an ancient version under emulation). It’s also not open-source or free. Here are some of the best alternatives … Read more

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How to Install PowerShell in Linux/Ubuntu

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Install Powershell in Linux

This easy-to-follow tutorial shows you how to install PowerShell on a variety of Linux systems. What is PowerShell? Like Linux has Bash, Zsh, and other interactive shells for issuing commands to the system via the terminal, Windows has PowerShell. It’s the successor to the Windows Command Prompt. It allows the user to type commands for execution and provides features for automation and scripting. And now, it runs on Linux. This is useful if you administer Windows servers remotely or interact with Microsoft’s Azure Cloud services. Certain tasks in Office 365 … Read more

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Creating and Writing Floppy Disk Images in Linux with dd

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Linux dd read write floppy images

This article will show you how to read and write images to floppy disks in Linux – Perfect for vintage computing (MS-DOS, Macintosh, etc.) I dabble a bit in vintage computing – finding old computers, fixing them up, and getting them back into action – usually for playing games on era-appropriate hardware. Part of this usually involves re-installing the operating system and loading up software. This used to be pretty simple – when Windows computers came with floppy disk drives and included the required tools, it … Read more

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Running Ubuntu in VirtualBox on Windows/Mac [Tutorial]

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Running Ubuntu In VirtualBox

Here’s a straightforward set of instructions (with lots of screenshots) on how to set up Ubuntu Linux in VirtualBox for running Ubuntu in a Virtual Machine on Windows 10 and macOS. VirtualBox allows you to set up and run virtual machines on your computer easily.  A virtual machine is a whole computer, virtualized running on top of your current operating system – allowing you to try out and experiment with new operating systems and tools without reformatting your computer. Download and Install Virtualbox The first … Read more

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Using the ‘sed’ Command in Bash/Linux, With Examples

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Bash sed command

The sed (Stream EDitor) command in Bash/Linux reads text from a stream or file and performs line-by-line operations on it based on a set of supplied criteria.  Here’s how to use it. sed is an automated way to process text. One simple example of where sed can be used is doing a simple find-and-replace for a word in a text document – the text with the words replaced can then be saved to a new file or overwrite the original. Why? Being able to modify text – either from a … Read more