Category: Linux

WebRTC TURNS Connection Failures? Why Let’s Encrypt Breaks Native Clients (and How to Fix It with ZeroSSL or Google Trust Services)

If you are running a WebRTC infrastructure setup (using platforms like LiveKit or custom STUN/TURN clusters) combined with modern reverse proxies like Caddy or Nginx, you might have recently hit a brick wall.

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Debian 13 openssl error “SSL routines::unexpected eof while reading”

I updated my main server yesterday to Debain 13 (Friday a 13th… yea I know) and some cron jobs failed with the following error:

OpenSSL SSL_read: OpenSSL/3.5.4: error:0A000126:SSL routines::unexpected eof while reading, errno 0

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Python script to automate apt update and send statistics to InfluxDB / Telegraf

I wanted to get an overview how many updates my servers are currently missing. I wrote a Python script to update the APT-cache and write the results into InfluxDB via API_v2.

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