A comprehensive guide for configuring NFS mounts to facilitate OpenSearch data migration across cluster nodes, including step-by-step instructions, troubleshooting tips, and security considerations.

A comprehensive guide to remotely monitoring and managing Windows systems from Linux using winexe, wmic, and WQL queries with practical examples and troubleshooting tips.

I wrote a Python script, [triggers.py](https://github.com/simonw/til/blob/main/sqlite/triggers.py), to help me understand what data is available to...

Today I added "related TILs" to this TIL website - so each TIL now shows five related TILs at the bottom of the page.

A comprehensive guide to setting up remote Windows monitoring using WMI and the check_wmi_plus plugin with Icinga, without requiring an agent on the Windows servers.

A comprehensive technical deep-dive into Wazuh's data analysis process, rule engine, and ruleset configuration, with detailed diagrams explaining how logs are collected, decoded, and matched against rules.

A comprehensive technical examination of how Wazuh collects, processes, compresses, and securely transmits logs from agents to the manager, including architecture diagrams and code-level insights.

A comprehensive guide for setting up, configuring, and managing an OpenSearch cluster that serves as a Wazuh indexer, including installation, backup procedures, performance tuning, and enterprise health monitoring.