Latest articles on Open Source
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Apple's Swift programming language: Cheat sheet
Apple's Swift has far-reaching effects on all platforms, not just iOS, OS X, watchOS and tvOS. Learn why Swift matters, how to use the programming language and how it differs from Objective-C.
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Data center admins: Learn how to run a basic vulnerability scan on your Linux servers with Nessus
Make sure the Linux servers in your data center are free from vulnerabilities by scanning them immediately using Nessus.
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Linux mount command: This is how to use it
In this installment of Jack Wallen's Linux 101 series, he explains how to use the mount command to mount an external drive to the internal file system.
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Sourcing a file in Linux: Here are the basics of this important concept
Open source expert Jack Wallen explains the Linux source command and offers an example.
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Linux 101: Learn how to use stopped jobs
Find out what to do you do when you see the "There are stopped jobs" warning in the Linux terminal.
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Canonical unveils Ubuntu 21.10
The goal is to enhance the developer experience wherever they work, the company said.
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How to get started with GitHub Desktop for a seamless Git workflow
If you need to work with GitHub, but don't have time to get up to speed with the git command line, Jack Wallen believes the GitHub Desktop app is the perfect tool for the job.
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Zombie processes: What Linux users need to know
If zombie processes are a problem on your system, watch this Linux 101 tutorial to learn how to take care of them.
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Learn to create a shared folder in VirtualBox
Jack Wallen shows you how to share folders between VirtualBox hosts and guests.
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Install and use the Megasync client on the Linux desktop: Here's how
Jack Wallen believes Megasync might be exactly what you need for yet another cloud storage provider, one that offers a Linux desktop app.
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Microsoft adds Windows Subsystem for Linux Preview to Windows 11 Microsoft App Store
It's now even easier to install Windows Subsystem for Linux on Windows 11. Jack Wallen lets you in on how it's done.
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You can configure Invoice Plane for in-app invoice mailing: Here's how
ack Wallen shows you how to add invoice emailing to Invoice Plane, a powerful open-source invoicing tool perfectly suited for small-business data centers.
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Learn the Linux and Git skills that will streamline your workflow and turbocharge your productivity
Getting more done in less time and with less effort is simply a matter of developing the right skills, and this training is far more effective than learning by trial and error.
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How to add directories to your $PATH in Linux
At some point, you'll want to run commands from non-standard directoriesm so you'll want to add those directories to your $PATH. Jack Wallen shows you how.
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The different types of sudo and su in Linux
Jack Wallen demystifies these two Linux admin tools because knowing which sudo or su command to run is important.
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