- Apply systemd sandboxing by default to some services
- Non-Systemd (Preferable if Possible) - Development - Kicksecure Forums
- Securing systemd Services
- GitHub - alegrey91/systemd-service-hardening: Basic guide to harden systemd services
- How to harden a systemd service unit - Linux Audit
- The Debian system +/- systemd
- Systemd, Devuan, and Debian
- systemd feature thread