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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

1 post matching “bad-gateway” in Troubleshooting · Clear

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Troubleshooting 502 Bad Gateway Error: Causes and How to Fix It

Seeing a 502 Bad Gateway error on your site? Learn what's really failing behind the scenes - PHP-FPM, LiteSpeed, Cloudflare - and fix it step by step.

16 July 2026 · 6 min · 35 views