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.
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 ...
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 ...
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 ...
Set Up a Minimal Server on a Raspberry Pi
The Raspberry Pi is a small, single-board computer that is perfect for computer projects, but a Raspberry Pi can also be used as a web server on your main local network or the internet. This step-by-step guide shows you how. 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 ...
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 ...
Dual-Boot Windows and Ubuntu
with your dual-boot Windows and Ubuntu configuration you can see what Ubuntu can do when installed to your hard disk running at full speed, and you can still run Windows when you need to use legacy applications that don't come in a Linux version. 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 ...
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 ...
Ubuntu for Non-Geeks: A Pain-Free, Get-Things-Done Guide
If you are new to Ubuntu, or even new to Linux, this book is a great introduction to Ubuntu Linux. However, it goes beyond that. When you finish the book, you will have a lot of knowledge about Ubuntu, and you will be much more comfortable with this excellent operating system. 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 ...
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 ...
Protect Your Android Device From Malware
The growth rate of mobile devices continues to soar. Android is the leading operating system for mobile devices. Cybercriminals have intensified their efforts to hack into Android devices. 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 ...
