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.
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 ...
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 ...
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 ...
Linux su vs sudo: What's the Difference?
A comparison of the su and sudo Linux commands for escalating privileges for non-root users. 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 ...
How Linux Works
To master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does. Brian Ward makes the concepts behind Linux internals accessible to anyone curious about the inner workings of the operating system. More ...
What is Linux?
Linux is an operating system that was not created by a corporation or by someone out to make money. The Linux core was created by Linus Torvalds who wanted to create a Unix-like system that would work on home computers. More ...
CFS: Completely Fair Process Scheduling in Linux
A scheduling class specifies which scheduling policy applies to which type of process. Completely fair scheduling (CFS), which became part of the Linux 2.6.23 kernel in 2007, gives every task a fair share of processor resources in a low-fuss but highly efficient way. 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 ...
Easy Way to Install Linux
Windows, Apple MAC OS, and Chrome are operating systems designed primarily to be marketing devices that wrestle you to their stores. May people are getting fed up with this, that's why Linux is becoming so popular. 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 ...
7 Steps to Securing Your Linux Server
This primer will introduce you to basic Linux server security. While it focuses on Debian/Ubuntu, you can apply everything presented here to other Linux distributions. More ...
How to Switch to Ubuntu
Ubuntu is a free alternative to Windows which is fast and easy to use. You may want to switch to Ubuntu because of its robust security, speed, freedom, ease of use, low maintenance, and no price. This article will show you step by step how to switch from Windows to Ubuntu. More ...
Understanding Linux Filesystems: Ext4 and Beyond
Learn the history of ext4, including what's different from ext3 and the other filesystems that came before it. More ...