Learn how to set up a VPC peering connection so that two virtual private clouds can communicate with each other over the internal AWS network.
My personal BASH script for configuring a fresh desktop running Debian 12 KDE.
Learn how to use logrotate to rotate your log files, and prevent them filling up your system.
Learn how to adjust a server's thresholds so that you don't get alerts when unnecessary, or possibly lower the threshold in case you need to be alerted sooner.
Learn how to configure Zabbix to send alerts to you via email (SMTP).
A diagram showing how the configuration and settings files override each other in PHP FPM, which may answer your question about why your setting/config file may not be having any effect.
Learn how to disable particular email alerts from Wordfence.