DanubeData Blog
Stay updated with the latest news, tutorials, and insights about cloud infrastructure.
Self-Host Authentik or Keycloak: Open-Source Auth0 Alternatives for SSO (2026)
Tired of per-MAU pricing from Auth0, Okta, or Clerk? Self-host Authentik or Keycloak for full-featured SSO, SAML, OIDC, LDAP, and SCIM on your own infrastructure. Complete Docker deployment guide with cost comparison, feature breakdown, and production-ready configuration on DanubeData.
Self-Host Vaultwarden: Free Bitwarden Alternative for Your Team (2026)
Stop paying €3-5/user/month for a password manager. Self-host Vaultwarden — the lightweight, Rust-based Bitwarden-compatible server — on a €4.49/mo DanubeData VPS and run your entire team or family vault for the cost of a coffee. Full Docker walkthrough, SMTP, Argon2, Fail2ban, S3 backups, and security hardening for 2026.
S3 Storage Security Best Practices: Protect Your Data (2026)
Learn how to secure your S3 object storage with proven best practices for 2026. Covers access key management, bucket policies, encryption, CORS, GDPR compliance, audit logging, and a complete security checklist to protect your data from breaches.
SSH Hardening Checklist: Secure Your VPS in 10 Steps
Complete SSH security checklist for VPS servers. Disable password auth, configure firewall, setup fail2ban, and implement best practices to prevent unauthorized access.
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