Posts

How to Change the Hostname on an Ubuntu 22.04 Server

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A Python Server That Suddenly Stopped Working After Years — The Most Unusual .pyc Corruption I've Seen

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How a DDoS Attack Appeared to Corrupt PostgreSQL — But the Real Problem Was Somewhere Else

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Microsoft NDR, spamtrap reports en bounce-cleanup workflow

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Occasie bedrijfswagens verkopen via mail of WhatsApp: sneller, eenvoudiger en met minder rompslomp

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Peugeot 208 tweedehands: waar je op moet letten bij aankoop én verkoop

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Google is tightening enforcement on job spam and structured data

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Email Deliverability in 2026: Why Infrastructure Now Decides Whether Your Messages Arrive

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When Elasticsearch Is Not the Problem: How a Backup Mount Froze an Entire Cluster

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Fixing DKIM Signing Issues with OpenDKIM and Postfix

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