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Tagged with mysql
- 8 min readwordpressoperationsinfrastructure
The corrupted WordPress db.php dropin nobody warned you of
WordPress says the DB connection is down but MySQL is fine, and only one site is affected. The cause is almost always a broken db.php dropin in wp-content.
- 12 min readinfrastructureoperations
cPanel disk full at 96 percent: the backup retention trap
A postmortem on a cPanel /home at 96 percent, why 7 backup sets ate 331GB, the safe-deletion order, and the WHM retention that stops the cascade.
- 12 min readdatabaseoperations
MySQL OOM on cPanel: diagnosing innodb_buffer_pool_size
A 2026 postmortem on MySQL OOM on cPanel: ChkServd alerts, the InnoDB buffer pool error, the math behind safe sizing, and the fix flow we ship.
- 2 min readdatabaseoperations
Sample incident: MariaDB OOM kill on a shared cPanel node
A walkthrough of one Saturday-morning MySQL crash on a cPanel server: what alerted, what we ran, and the InnoDB buffer-pool change that closed the ticket.
- 2 min readdatabaseoperations
MariaDB slow log permissions on cPanel: the quick reference
Fix MariaDB slow_log Permission denied on cPanel after a MariaDB updater run, plus a weekly cron that re-asserts ownership before the next reset.