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Linux a key player in the edge computing revolution

Edge computing is augmenting the role that Linux plays in our day-to-day lives. A conversation with Jaromir Coufal from Red Hat helps to define what the edge has become.

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How basic file permissions work: 2-Minute Linux Tips

In this Linux Tip, learn how to read and understand basic file permissions. Once you understand file permissions, you can analyze and reassign them.

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How to use the awk command: 2-Minute Linux Tips

In this Linux Tip, learn how to use the awk command. You can use it to select one or more pieces of text from lines of input.

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Undo releases Live Recorder 5.0 for Linux debugging

Debugging on multi-process systems just got significantly easier with the release of Live Recorder 5.0 from Undo.

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Tracking down library injections on Linux

Library injections are less common on Linux than they are on Windows, but they're still a problem. Here's a look at how they work and how to identify them.

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How to use the stat command: 2-Minute Linux Tips

In this Linux tip, Sandra will show you how to use the stat command. It provides a lot of the same information as ls -l, but in a very different format. It also includes some useful additional information.

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Exploring /run on Linux

There's been a small but significant change in how Linux systems work with respect to runtime data. Here's an overview of the change to /run.

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How to use /dev/null: 2-Minute Linux Tips

In this Linux tip, learn how to use the /dev/null tool. You can send your outputs to /dev/null and it simply disappears. This is helpful when a command’s output isn’t interesting and you don't need to see it.

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How to send email from the Linux command line

Linux offers several commands that allow you to send email from the command line. Here's look at some that offer interesting options.

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How Linux can help with your spelling

Whether you're struggling with one elusive word or checking a report before you send it off to your boss, Linux can help with your spelling.

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NVMe on Linux

In case you haven't yet noticed, some incredibly fast solid-state disk technology is as available for Linux as it is for other operating systems.

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A deeper dive into Linux permissions

Sometimes you see more than just the ordinary r, w, x and - designations when looking at file permissions on Linux. How can you get a clearer view of what the uncommon charactrers are trying to tell you and how do these permissions...

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How to use the nslookup command: 2-Minute Linux Tip

In this Linux tip, learn how to use the nslookup command. This command provides information on naming services and demonstrates how your system looks up hostnames prior to connecting to them.

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How to use the last command: 2-Minute Linux Tip

In this episode of 2-Minute Linux Tips, Sandra demonstrates the last command. It that shows recent logins – such as the last time you logged in but with the logins in reverse order.

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4 vulnerabilities and exposures affect Intel-based systems; Red Hat responds

Red Hat issued a security advisory on recently disclosed CVEs (common vulnerabilities and exposures) in Intel microprocessors.

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When to be concerned about memory levels on Linux

Memory management on Linux systems is complicated. Seeing high usage doesn’t necessarily mean there’s a problem. There are other things you should also consider.

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How to use the bc command: 2-Minute Linux Tip

In this Linux tip, learn how to use the bc command – it’s a command line calculator. You can use this command to easily solve equations.

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Red Hat Summit 2019: RHEL 8 arrives

At Red Hat Summit 2019, Red Hat announced the availability of Red Hat Enterprise Linux (RHEL) 8, with support for the Red Hat Container Toolkit, and the Universal Base Image.

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