Found 2 books

Practical Apache, PHP-FPM & Nginx Reverse Proxy · How to Build a Secure, Fast and Powerful Webserver from scratch (Practical Guide Series Book 3)

[en] Practical Apache, PHP-FPM & Nginx Reverse Proxy · How to Build a Secure, Fast and Powerful Webserver from scratch (Practical Guide Series Book 3)

Ling, Adrian

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Virtualmin Tips & Hacks · How to Setup, Integrate and Automate PHP-FPM & Nginx Reverse Proxy in Virtualmin (Practical Guide Series Book 2)

[en] Virtualmin Tips & Hacks · How to Setup, Integrate and Automate PHP-FPM & Nginx Reverse Proxy in Virtualmin (Practical Guide Series Book 2)

Ling, Adrian

download read it!