Hey Jo, Sorry I’m late
If you’re currently versed in Firearms and are able to start a chapter, or if you are lucky enough to live in an area with a local chapter the SRA is a good organization. However they are apparently fractured and their politics may not align. https://socialistra.org/
https://www.blazingsword.org/ is better for LGBTQ+ anarchists that tend to not get along with Tankies.
A more decentralized option could be a John Brown Gun Club https://www.counterextremism.com/supremacy/john-brown-gun-club
Good basis of organized tactics. The guide below is more about organized movement than direct fire. Below will NOT help you in a firefight as it relies on a much larger trained force than you are likely to have. Good to know what the bastards study though. https://www.trngcmd.marines.mil/Portals/207/Docs/TBS/B2F2837 Rifle Squad Tactics.pdf?ver=2015-05-27-100939-710
How to avoid getting balled up and kettled. https://theanarchistlibrary.org/library/anarch-ish-how-to-win-at-kettling-a-guide-for-non-policemen
Sabotage guide from WW2 https://www.gutenberg.org/ebooks/26184.txt.utf-8
General armed defense https://theanarchistlibrary.org/library/organizing-armed-defense-in-america
How to organize a rapid response from a very high level with further detailed resources. https://southerncoalition.org/resources/rapid-response-101/
Good general advice on organizing, also a good resource to find groups near you that are likely aligned. https://www.fiftyfifty.one/organizer-resources
Feel free to reach out for any other resources.
Is the underlying file system you’re hosting the VM on encrypted as well? If so, that might be your problem.
What does sudo qm <vmid> terminal get you?