Sandra Henry-Stocker

Unix Dweeb

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Sandra Henry-Stocker has been administering Unix systems for more than 30 years. She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She lives in the mountains in Virginia where, when not working with or writing about Unix, she's chasing the bears away from her bird feeders.

The opinions expressed in this blog are those of Sandra Henry-Stocker and do not necessarily represent those of IDG Communications, Inc., its parent, subsidiary or affiliated companies.

Using ss to examine network connections

Linux will seem to be everywhere in 2019

Linux will seem to be everywhere in 2019

Faster, more versatile and secure, Linux gets better every year. Let's take a look at some of the highlights expected in 2019.

Selectively deploying your superpowers on Linux

Selectively deploying your superpowers on Linux

The sudo command allows privileged users to run all or selected commands as root, but understanding how it works and doesn't work is a big help.

RHEL 8 Beta arrives with application streams and more

RHEL 8 Beta arrives with application streams and more

In the four years since the introduction of Red Hat Enterprise Linux (RHEL) 7, the IT world has evolved. RHEL 8 Beta brings innovation and dozens of new features.

The future of Red Hat: How will IBM's acquisition affect the company?

The future of Red Hat: How will IBM's acquisition affect the company?

IBM's purchase of Red Hat may be a good strategic fit for IBM, but the payback is anything but guaranteed.

Latest supercomputer runs Red Hat Enterprise Linux (RHEL)

Latest supercomputer runs Red Hat Enterprise Linux (RHEL)

Sierra -- the newest supercomputer and the second-fastest in the world -- runs Red Hat Enterprise Linux (RHEL), which isn't surprising given the role Linux plays in supercomputing in general.

IBM-Red Hat deal: What the companies say

IBM-Red Hat deal: What the companies say

IBM says Red Hat will continue to be a contributor to the open-source community and that Red Hat will continue its commitments with current partners even after IBM buys the company for 34 billion in the second half of 2019.

Ubuntu's Cosmic Cuttlefish brings performance improvements and more

Ubuntu's Cosmic Cuttlefish brings performance improvements and more

The latest and greatest release of Canonical's Ubuntu, nicknamed "Cosmic Cuttlefish" became available just recently. Images are available for all major public clouds. In addition, it provides improved gaming performance, a huge array...

Using nmap on your home network

Using nmap on your home network

While nmap is generally used to probe business networks and perform security reviews, the tool can also provide interesting details on your systems and devices at home.

Red Hat underpins the growing importance of Linux and open source

Red Hat underpins the growing importance of Linux and open source

Red Hat's new vice president and general manager of its RHEL Business Unit, Stefanie Chiras, enthusiastically embraces the growing importance of Linux.

Making better use of your Linux logs

Making better use of your Linux logs

Log files on Linux can provide a lot of useful information on what's happening on your system. These commands can help you sort through the data and pinpoint problems.

The future of networking: Open source networking is the 'new norm'

The future of networking: Open source networking is the 'new norm'

Open source networking has become the "new norm," and many at the recent Open Networking Summit Europe said they’re seeing it play out in the industry.

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