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.

How the L1 Terminal Fault vulnerability affects Linux systems

Examining partitions on Linux systems

Examining partitions on Linux systems

Linux systems provide many ways to look at disk partitions. Here's a look at commands you can use to display useful information -- each providing a different format and with a different focus.

How to display data in a human-friendly way on Linux

How to display data in a human-friendly way on Linux

Many Linux commands now have options to make their output a little easier to digest. Here's a look at some that bring out the friendliness of our favorite operating system.

How to query your Linux system kernel

How to query your Linux system kernel

What can your Linux system tell you about the Linux kernel it's using? Let's do a little probing and see.

How to use the gpg command to encrypt Linux files

How to use the gpg command to encrypt Linux files

Encryption commands such as gpg can be used to secure your most sensitive files on Linux systems.

Is it time to start climbing the ladder to Kubernetes?

Is it time to start climbing the ladder to Kubernetes?

If you aren't using Kubernetes, it’s probably a good time to familiarize yourself with a technology that is dramatically changing the way applications are being deployed today.

Examining Linux system performance with dstat

Examining Linux system performance with dstat

Dstat provides valuable insights into Linux system performance, pretty much replacing older tools, such as vmstat, netstat, iostat, and ifstat.

Converting and manipulating image files on the Linux command line

Converting and manipulating image files on the Linux command line

Using the convert command, you can modify image files without having to open an image editor.

The aftermath of the Gentoo GitHub hack

The aftermath of the Gentoo GitHub hack

A password guess and five days offline have left not only Gentoo's GitHub admins, but all of us, with some things to think about.

Is implementing and managing Linux applications becoming a snap?

Is implementing and managing Linux applications becoming a snap?

Learn what "snaps" are and why are they making the development and installation of Linux applications so trouble-free.

Shredding files on Linux

Shredding files on Linux

On Linux, files can be erased but still be recoverable. Here's what to do when you really want them gone.

Linux control sequence tricks

Linux control sequence tricks

There are a lot of control sequences available on Linux systems -- maybe even some you've never used.

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