Raspberry Pi 400 PC in a Keyboard Raspberry Pi 400 takes the same components as Raspberry Pi 4, including the system-on-chip and memory and puts them in a compact keyboard.
Fedora 3 Modem Installation
An external modem connects to your computer's USB or serial port. External modems have their own controller and DSP circuits. An external modem is the best choice if you have several computers because it be moved without opening the computer's case. More ...
What is Ubuntu?
Ubuntu is a completely free, easy-to-use, and popular Linux distribution that is geared toward the desktop user and is designed to be user friendly. More ...
Working With Files in Linux
With the availability of OpenOffice, a free Open Source version of Microsoft Office which includes a Word compatible word processor, an Excel compatible spreadsheet, and a PowerPoint compatible presentation application, you no longer need to use Microsoft Windows. More ...
The Linux File System
Linux uses a whole different file system philosophy than Windows. Windows automatically assigns a drive letter to every partition and drive it finds. But Linux makes every partition and drive a subdirectory of the root (/) partition. More ...
Levels and Layers of Abstraction in a Linux System
We can use abstraction to split computing systems into components to make things easier to understand, but it doesn't work without organization. We arrange components into layers or levels. A layer or level is a classification (or grouping) of a component according to where that component sits between the user and the hardware. More ...
How to Detect and Guard against Linux Security Vulnerabilities
You should scan your Linux-based systems to avoid hacks and gather information from both outside and inside your network. That way, you can see what the bad guys see from both directions. More ...
Linux Installation CDs vs. Linux "Live" CDs
You need to learn how to use Linux. And the best way to get Linux training is to work with it and get real, practical Linux experience. There are lots of different ways to get Linux, and lots of different versions of Linux to choose from! More ...
Basic Linux File and Directory Commands
This article explains the basic Linux file and directory commands used in their simple forms. How to determine you location in the directory hierarchy, create a directory, delete a directory, create a new file, move a file, copy a file, delete a file, and more. More ...
What is a Linux Distribution
An operating system consists of a lot of files and the files that make up Linux along with an installer for the files are called a distribution. More ...
Setting Up a Basic Ethernet LAN on a Linux PC
When you install most the Linux distributions on a PC connected with an Ethernet card, the Linux kernel automatically detects the Ethernet card and installs the appropriate drivers. The installer also lets you set up TCP/IP networking. More ...
Migrating to Linux: Installing Software
The typical approach to get software installed on your computer is to get it from a vendor and run the install program. With Linux there is a central repository of software. Just about any program you might want will be in a list of available packages that you can install. More ...
Check Used Disk Space on Linux With du Command
On most personal devices, drives get filled up with photos and videos and music, on servers, drives get filled up with data in user accounts and log files. You can check in on disk usage with the du command. More ...
Virtualization Technology an Emerging Technology
Virtualization involves a physical resource being shared amoung multiple virtual resources. For example multiple virtual machines can run on the same physical host, with each virtual machine sharing the resources of the host. Virtualization represents a huge monetary savings opportunity for business. More ...
What You Need to Know to Set Up a Simple Firewall in Linux
Like any other OS, Linux needs to be protected with a firewall. Essentially, a firewall is a protective fence that keeps unwanted external data and software out and sensitive internal data and software in. More ...
