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The Lustre Filesystem Dropped from the Linux 4.18 Kernel

It's now official: the latest RC1 pull request for the Linux 4.18 will not host the nearly 15-year-old Lustre filesystem. Greg Kroah-Hartman has been growing weary of the team developing its source code not pushing cleaner and fixed code to the staging tree. The removal was committed on June 5, 2018: with the following notes:
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Back Up GitHub and GitLab Repositories Using Golang

Want to learn Golang and build something useful? Learn how to write a tool to back up your GitHub and GitLab repositories. GitHub and GitLab are two popular Git repository hosting services that are used to host and manage open-source projects. They also have become an easy way for content creators to be able to invite others to share and collaborate without needing to have their own infrastructure setup.
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Randomly Switching Upper and Lowercase in a Shell Script

Dave wraps up the shell-script L33t generator Last time, I talked about what's known informally as l33t-speak, a series of letter and letter-pair substitutions that marks the jargon of the hacker elite (or some subset of hacker elite, because I'm pretty sure that real computer security experts don't need to substitute vowels with digits to sound cool and hip).
Kyle Rankin

So Long, and Thanks for All the Bash

It was the summer of 2007 and I was at Linux World Expo in San Francisco. I had just finished updating the second edition of Knoppix Hacks and in addition to attending the conference I was there to promote it and my other books at the O'Reilly booth. Somehow I got word that Linux Journal was looking for new authors and was holding an event at a nearby bar later that day.

Sysadmin 101: Leveling Up

This is the fourth in a series of articles on systems administrator fundamentals. These days, DevOps has made even the job title "systems administrator" seems a bit archaic like the "systems analyst" title it replaced.

Sysadmin 101: Automation

This is the second in a series of articles on systems administrator fundamentals. These days, DevOps has made even the job title "systems administrator" seem a bit archaic, much like the "systems analyst" title it replaced. These DevOps positions are rather different from sysadmin jobs in the past.

Mastering ATA over Ethernet

At one point in time, when you wanted to attach an external block storage device to a server, you mapped it as a Logical Unit (LU) across a Storage Area Network (SAN). In the early days, you would do this over the Fibre Channel (FC) protocol. More recently, iSCSI (SCSI over IP) has usurped FC in most data centers.

Android Browser Security--What You Haven't Been Told

This article focuses on flaws in Android's stock web libraries, while acknowledging related exploits. Some modern Android browsers have critically weak encryption and other dangerous flaws that cannot be patched or otherwise corrected. This weakness extends to multiple browsers and applications and is determined by the linkage to the system webcore on older OS versions.

Home Automation with Raspberry Pi

The Raspberry Pi has been very popular among hobbyists and educators ever since its launch in 2011. The Raspberry Pi is a credit-card-sized single-board computer with a Broadcom BCM 2835 SoC, 256MB to 512MB of RAM, USB ports, GPIO pins, Ethernet, HDMI out, camera header and an SD card slot.