Posts tagged "troubleshooting"
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Debug a silent Symfony Messenger queue: fix missing tables, MySQL notify config, and timezone drift with a proven 5-step checklist.
Read more: Symfony Messenger Worker Stuck? 3 Silent Production Bugs
Fix sporadic LockConflictedException in Crunz with Symfony Lock. Learn why Redis locks fail 0.18% of the time — and the 3-line patch that stops it.
Read more: Hunting a 0.18% Bug: Redis Lock Expiration in Crunz
How a Caddy reverse proxy fix revealed a bug that had been hiding in our codebase for months. A detective story about assumptions, timelines, and the dangers of 'it works on my machine'.
Read more: Spooky Action at a Distance: When Fixing Your Proxy Breaks Your Application
A practical guide to setting up HP ProLiant hardware monitoring via iLO4 SNMP in OMD Labs with Naemon and PNP4Nagios. Including all the pitfalls and their solutions.
Read more: Setting Up HP iLO Hardware Monitoring with OMD Labs
How I traced a laggy GNOME desktop to extension memory leaks - not the GPU I was blaming
Read more: GNOME Memory Leak Debugging: When Your Desktop Eats 4GB of RAM
Redis doesn't lock sessions. This causes race conditions that corrupt session data, leading to random logouts, lost flash messages, and CSRF failures. Here's how to fix it.
Read more: Redis Session Locking Pitfalls in Symfony: Why Your Users Get Random Logouts
