Override environment example

ini

[Service]
Environment=NODE_ENV=production
Environment=PORT=8080

Explanation

Drop-ins are the preferred way to add or change settings.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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Edit a unit override file.

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Clear old ExecStart then set new one.

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Print final unit and all overrides.

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Open a new service file under /etc/systemd/system.

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Use an external env file.

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Automatic restart policy.

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