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.
Understanding the Linux Boot Process
In order to troubleshoot a Linux system that fails to boot, it is important to understand the boot process. Then we can identify at which stage of the booting sequence the failure occurred. More ...
Linux Server Step-by-Step Configuration Guide
This book contains no boring theory. Instead it's packed with 54 hands-on, step-by-step exercises and 185 graphics including screen captures showing you exactly what you should be seeing on your own screen. 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 ...
Ubuntu Quick Start
One of the biggest buzz words on the Internet today is "Ubunto". Why is Ubunto so popular? Is it really that much better than any other Linux? Is Ubunto a threat to Microsoft Windows? And how difficult is it to try Ubunto? More ...
12 Essential Linux Commands for Beginners
I recommend these commands to anyone who is getting started with Linux. More ...
Choosing a Printer for Linux
Most Linux distributions use the Common Unix Printing System (CUPS), which contains drivers for most printers available today. This means Linux offers much wider support for printers than Windows does. More ...
Setting Up a Linux Modem
Almost all modems manufactured today are software modems, usually referred to as winmodems. Even though we pay a lot for a winmodem, they are cheap to manufacture because they use very little electronics. More ...
Linux System Calls and Support
There are several kinds of kernel features available to user processes. For example, system calls (or syscalls) perform specific tasks that a user process alone cannot do well or at all. For example, the acts of opening, reading, and writing files. 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 ...
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 ...
You Can Switch to Linux!
Books have been written with solutions for all the potential pitfalls the Linux-switcher faces. Instead of just telling you what to do, I?m going to tell you how to do things and explain why you're doing them. I'm going to focus on the things that are truly a challenge (and poorly documented), but still give you a head start on the easy stuff. More ...
How to Use the VIM Text Editor in Linux
In 1988, an improved version of Vi, called vim (vi iMproved), was released. This article provides some examples that illustrate some basic operations with text as well as its extra features that make vim unique and useful. More ...
View Your Linux Server's Network Connections With Netstat
Netstat is a command-line network utility that displays network connections, routing tables, and a number of network interfaces, and network protocol statistics. This artilce shows how to view Your Linux Server's Network Connections With Netstat. More ...
Linux Process Management
On a modern operating system, many processes run simultaneously. For example, you might have a web browser and a spreadsheet open on a desktop computer at the same time. However, things are not as they appear: on a single-core CPU the processes do not run at exactly the same time. More ...
