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Diego Gil Serrano

Building SIEM Compliance (self-hosted SIEM for NIS2, ENS & ISO 27001) and HighAvailabilityData (free HA console for PostgreSQL & more). Writing about logging, failover and Patroni.

Spain Joined on Oct 25, 2026 https://www.siemcompliance.com

Work

NUTRADELIS S.L. (SIEM Compliance, HighAvailabilityData)

Diego Gil Serrano

Oct 25

What NIS2 Article 21 actually asks you to log, and how to do it with a self-hosted SIEM

#security #devops #sysadmin #linux

5 min read

Diego Gil Serrano

Oct 25

Why Patroni failover takes 26–49 seconds with default settings (and how to make it faster)

#postgres #database #devops #sre

5 min read

Diego Gil Serrano

Oct 25

PostgreSQL high availability with only 2 servers: where the third vote comes from

#postgres #database #devops #sre

5 min read

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