Network and security specialist focused on VPN protocols, proxies and server hardening. Cooper spends his days breaking and fixing tunneling setups (WireGuard, V2Ray, Xray) so readers can follow battle-tested configurations instead of guesswork.
582 posts
Idempotent deployment means a deployment script or process produces the same end result no matter how many times it's run on a VPS, whether that's the first run or the fiftieth. Running it again doesn't create duplicates, break existing configuration, or fail simply because something was already set up correctly.
Rotating app secrets without downtime means replacing a database password, API key, or token while the old one still works, so your application never hits a moment where every credential it's using is suddenly invalid. This guide walks through doing that safely on a VPS, using the dual-secret method.
Testing a database restore before upgrading your VPS confirms that your backups actually work, before you're relying on them in a real emergency. Upgrading a VPS, whether that means more resources, a new OS version, or a full server migration, is exactly the kind of change that can go wrong, which makes this the right moment to verify recovery works.
Litestream is a free, open-source tool that continuously replicates a SQLite database to remote storage, such as S3-compatible object storage, in real time. This guide walks through installing Litestream on a VPS and setting it up to replicate a SQLite database.
Query queueing happens when an application sends more database requests than its connection pool or database server can handle at once, forcing the extra requests to wait in line instead of running immediately. On a VPS, where CPU, RAM, and connection limits are fixed, this is one of the most common causes of sudden slowdowns under load.
Learn what RTO and RPO mean for VPS backups, how they shape your backup schedule, and how to set realistic recovery targets for your server.
Learn how to install Watchtower on a VPS to automatically update Docker containers and get real-time notifications when updates happen. Step-by-step guide.
Install SoftEther VPN Server on Windows Server in 2026. Download the official installer, pick the right component, and verify the service is running.
Listmonk is an open-source, self-hosted newsletter and mailing list manager written in Go. It handles subscribers, lists, segmentation, campaigns, templates, and analytics from a single binary backed by PostgreSQL.
