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11 pages

Security

Restricting Secure Boot to openSUSE keys only

How to safely dispose a Yubikey

Nepenthes tarpit

Suspicious UPS scam SMS are suspicious

ssh authentication via Yubikeys

My matrix server had 2626 accounts ...

Update your stuff NOW

Blocking a whole country by IP addresses on a Linux server

Five laws of cybersecurity

openSUSE (Leap), Yubikey and Firefox