this post was submitted on 04 Jun 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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I'm just being a bit paranoid with my attempts, and yes just KVM on Debian would work perfectly fine for my purposes but I'd like to take the more secure alternative if possible. Another comment about kernel hardening was a good one for KVM, and unfortunately AMD SEV is not available on most of their consumer chips (especially the older generations).
If I were to switch off multi-threading but assign vCPUs to my VM assuming multi-threaded capacity (I.e. assign 12 vCPUs to my lab cluster after switching of SMT for my 6 core CPU), would I face performance issues? I wonder
Is there an estimate of the loss in performance that I'm looking at, at full load?