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.
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 ...
Looking at the Android Operating System
The Android operating system is actually an offshoot of the Linux operating system. Since its inception, however, Android has developed into a robust, independent operating system designed for mobile devices. 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 ...
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 ...
Linux Display Settings
Linux uses a free version of the X Window System called Xfree86 to control your display. Xfree86 supports VGA, Super VGA, and some accelerated video adapters. If you have a new video card, or new motherboard with on-board video, you may want to download the latest version of Xfree86. More ...
Tips for top: Monitoring CPU load on Linux
The top program provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or threads currently being managed by the Linux kernel. You can open the Terminal either through the system Dash or the Ctrl+Alt+T shortcut. 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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
