Service Metadata & Executable
Process Lifecycle & Restart Policy
Security Hardening Options
ProtectSystem:
Environment Variables
=
=
[Unit] Description=Production Application Service After=network.target network-online.target Wants=network-online.target [Service] Type=simple User=appuser Group=appuser WorkingDirectory=/var/www/my-app ExecStart=/usr/bin/node /var/www/my-app/index.js Restart=always RestartSec=5s Environment="NODE_ENV=production" Environment="PORT=3000" StandardOutput=journal StandardError=journal LimitNOFILE=65535 PrivateTmp=true ProtectSystem=full ProtectHome=true NoNewPrivileges=true [Install] WantedBy=multi-user.target
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How to create a Linux systemd service
- 1Enter service name, executable command path (ExecStart), and working directory.
- 2Select service type (simple, forking, oneshot) and restart policy.
- 3Configure security hardening (PrivateTmp, ProtectSystem, ProtectHome).
- 4Copy the unit file and use the generated systemctl commands to install and start.
Native Linux Daemon Management
Standardizes background service lifecycles across Ubuntu, Debian, CentOS, AlmaLinux, and Rocky Linux.
Frequently Asked Questions
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