Web & Proxy · Security
Configure an Nginx reverse proxy with TLS renewal
Proxy an HTTP application through Nginx, preserve client metadata, obtain a certificate, and test renewal.
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Databases & Data · Security
Install and secure MySQL on Ubuntu
Install MySQL, remove unsafe defaults, create a least-privilege application database, optionally allow restricted TLS network access, and prove backup readiness.
Databases & Data · Security
Install and configure PostgreSQL on Ubuntu
Install PostgreSQL, create a least-privilege role and database, optionally enable restricted TLS network access, validate authentication order, and prove recovery readiness.