authd: cloud logins on your Ubuntu server
How Canonical's authd logs Ubuntu server users in with Google or Entra ID, what the broker snaps cost you, and the break-glass account to build first.
#identity
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Self-host Zitadel on a VPS with Docker
Zitadel wants 4 cores and 8GB. Set up Postgres, the masterkey, TLS, SMTP and backups on one VPS, and learn what an upgrade does to your database.
Central Linux logins: LDAP or SSH CA
Centralize Linux logins so one change reaches every server. Compare a directory with SSSD, an SSH certificate authority, and Ansible-managed keys.
Keycloak vs Authentik vs Zitadel on one VPS
Three self-hosted SSO servers, one small VPS. The RAM floor each one really needs, which handles apps that speak no SSO, and where each one loses.