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System Architecture
Sep 21, 2026 • 3 min read

Production Linux VPS Hardening: The Pragmatic Checklist Before Going Live

An actionable, command-by-command guide to transforming a raw Ubuntu/Debian server into an enterprise-ready bastion: SSH hardening, UFW firewalling, Fail2ban, and systemd isolation.

#DevOps #Linux #Nginx #Security
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System Architecture
Sep 21, 2026 • 3 min read

Zero-Downtime Django Deployments: From Gunicorn Reloads to Atomic Releases

Running systemctl restart gunicorn drops active HTTP requests and spikes 502 Bad Gateway errors. Here is how to achieve true zero-downtime deployments on a Linux VPS using graceful worker reloads and atomic symlink directory releases.

#DevOps #Django #Nginx #Performance
Read Publication devManue
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