PostgreSQL Backups on a VPS with pg_dump and cron: 18 Steps with Restore Testing
Learn how to automate PostgreSQL backups on a VPS using pg_dump, cron, checksums, retention, offsite copies, and scheduled restore tests.
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Practical production deployment guides
Hands-on articles about Linux, Docker, Nginx, VPS operations, and CI/CD.
How to Deploy Docker to a VPS with GitHub Actions
Build a Docker image with GitHub Actions, publish it to GHCR, and deploy a tested release to an Ubuntu VPS with a safe rollback path.
Read guide →GitHub Actions CI/CD: Automatically Deploy Node.js to a VPS
Create a secure GitHub Actions pipeline that builds, tests, and deploys Node.js to a VPS over SSH with secrets, health checks, concurrency, and rollback.
Read guide →Docker Compose Ignores .env and PostgreSQL Says Password Authentication Failed
Understand .env, env_file, and environment in Docker Compose, inspect variables inside a container, and fix PostgreSQL passwords when a volume already exists.
Read guide →Production VPS Monitoring: Logs, CPU, RAM, Disk, and Health Checks
Monitor a production VPS with journald, Nginx logs, PM2, Docker health checks, CPU, RAM, disk, uptime, and actionable alerts.
Read guide →Safely Fix SSH Permission Denied and Host Key Changed Errors
Check the correct SSH user, private key, authorized_keys, file permissions, and server fingerprint before repairing publickey or known_hosts errors.
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