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Items tagged with: homelab


If you are using a Zen 2 desktop Ryzen CPU in a server or #homelab know that a critical hardware/microcode vulnerability “#Zenbleed” has been published that works across all sandboxing boundaries (process, sandbox, container or VM) and can exfiltrate data through non-privileged execution. :this_is_fine:

AMD has only currently released patches for their EPYC server CPUs — patches for desktop CPUs only coming in *months*, Oct-Dec depending on CPU :blobcatdisapproval:

https://www.tomshardware.com/news/zenbleed-bug-allows-data-theft-from-amds-zen-2-processors-patches-released



Learn the "cd" command! Lil' Linux Lesson!


The "cd" command, "change directory", is a critical part of navigating in a Linux or UNIX based system.

In today's Lil' Linux Lesson, we'll dive into the cd command, some intermediate usage bits, and then speculate about some POSIX reasons why certain choices were made. We'll span the gamut from beginner to advanced in one video. I hope you enjoy!

This video was not sponsored - if you want to help me do more videos like this one, please help support the channel!

Buy my shirt directly from my merch store: https://vkc.sh/merch
Become a member and support the channel: https://support.linux.mom

Chapters and whatnot:
0:00 How well do YOU know the cd command?
0:14 What does the cd command actually do?
0:51 Basic usage of the cd command on Linux
2:01 Going up the directory tree with the cd command
2:34 Going to a previous directory with the cd command
2:51 Navigating back to the home directory using cd
3:05 Navigating to absolute paths with the cd command
3:31 Want to know more about the cd command? Use the man builtins page!
3:42 Why isn't there a manpage for cd?