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Guides from the NOC

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

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VPS Install Elasticsearch on a VPS: Setup, Security & Fixes

Install Elasticsearch on a VPS the right way: fix the vm.max_map_count bootstrap error, size the JVM heap correctly, and lock down access before going live.

28 July 2026 · 7 min · 5 views