Today, one of the ubuntu 20.04 servers was swapping a crazy amount of RAM to …
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Uninstall cups from Ubuntu server VM and gain 137MB of memory
Articles in the Blog category
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Telegram (and some others) have a weird TCP timeout during the TLS handshake over IPv6
For the last two months telegram and some others have showed a weird behaviour:
- DNS responds …
Optimise sqlite3 1.4 million rows access
I am running a small python3 service that checks some TLS certificates with a systemd timer …
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How to secure a hardened, minimal QNAP installation with letsencrypt
There is a simple rule for hardening a system: You can not hack what is not …
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Disable qnap App Center auto updates and do them yourself with a schedule
Qnap has decided to enable automatic updates for apps as well. This caused the admin interface …
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Proposing a new key recovery algorithm for multiple decryption keys
This is part of my master thesis that I'm about to finish currently.
The algorithm
I …
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