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What's New

What’s New

Here is a list of new and updated guides. Please check back often and be sure to tell a friend!

June 2026

How to use grep

Learn how to use grep to search files, filter command output, and match text patterns with regular expressions on Linux systems.

May 2026

"DirtyFrag" (CVE-2026-43500, CVE-2026-43284) Mitigations

Mitigating the 'DirtyFrag' privilege escalation vulnerability in Linux.

CVE-2026-31431: Copy Fail Mitigation

CVE-2026-31431 ("Copy Fail") is a Linux vulnerability publicly disclosed on April 29, 2026. This article shows how to identify vulnerable systems and apply …

February 2026

Deploy Zot as a Pull Through OCI Cache for Docker Hub

Zot is a vendor-neutral Open Container Initiative (OCI) Native Registry. Learn how to deploy Zot and configure it as a cache for images from Docker Hub.

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