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Node guides
Hands-on guides that cover Node. Every command is run and verified on a live server before it is published.
GuideMetrics from Your Server
node_exporter reads your Ubuntu server's CPU, memory, disk, and load, then publishes them as Prometheus metrics. Install it and read the raw numbers yourself.
GuideKeep It Running with systemd
An app started in a terminal dies when you close it. Write a systemd service so your Node app starts on boot, restarts on crash, and logs to the journal.
GuideBuilding Your App's Image
Package a Node app into a small, non-root Docker image. Build it with a Dockerfile and learn why layer caching and COPY order decide rebuild speed.