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.
How to Partition a Drive for Linux and Microsoft Windows
If you only have a single hard drive available in your PC, you need to create separate areas (called partitions) on the hard drive for Windows and Linux. This article walks through the process of how to do that, but first, you need to understand how partitions work. 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 ...
The Linux Directory Structure
The Filesystem Hierarchy Standard (FHS), maintained by the Linux Foundation, defines the directory structure and directory contents in Linux operating systems. The main difference between the Windows operating system and Linux is that Linux does not use drive letters. More ...
Installing Software on Fedora
With windows, you execute the applications setup program (by double-clicking on setup.exe) and, 99 percent of the time, the application will install succesfully. Compare that to installing software on Linux, where you're supposed to search internet repositories and gather all the components required for the program. 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 ...
Linux Security Basics: How to Encrypt and Sign Files with GnuPG
Linux comes with the GNU Privacy Guard (GnuPG or GPG) encryption and authentication utility. With GnuPG, you can create your public and private key pair on your Linux system, encrypt files with your key, and digitally sign a message. 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 ...
Configuration of Conky System Monitor for Linux
For those who work with computer resources conky universal system monitor will rouse some interest. The main peculiarity of this program is the usage of X Window System functionality to display data on the desktop, be it XFCE, IceWM, KDE, or any other. More ...
What is Bash?
A shell is a terminal application used to interface with an operating system using written commands. Bash is a shell for and has been ported to Windows. Bash an acronym for Bourne Again Shell because it is an enhanced version of the Bourne shell distributed with Linux. Bash is released under the GNU General Public License (GPL). 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 ...
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 ...
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 ...
An introduction to the Linux Boot and Startup Processes
Ever wondered what it takes to get your system ready to run applications? Here's what is going on under the hood. 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 ...
