Final Reminder about Ubuntu 18.04

We recently posted about Ubuntu 18.04 support:
https://blog.securityonion.net/2023/02/ubuntu-1804-reaches-end-of-ubuntu.html

This is one final reminder that if you're still running Security Onion on Ubuntu 18.04, you'll need to upgrade or replace it:
https://docs.securityonion.net/en/2.3/appendix-b.html