Keycloak 26 Ubuntu 24.04

Keycloak 26 on Ubuntu 24.04 by cloudimg

Keycloak is the leading open-source Identity & Access Management platform — single sign-on (SSO), OAuth 2 / OpenID Connect, SAML 2.0, social login, multi-factor auth, fine-grained authorization. The cloudimg image installs Keycloak 26.6 (Quarkus distribution) from the official GitHub release tarball alongside OpenJDK 21.

Why Choose cloudimg?

• 24/7 Expert Support with guaranteed 24 hour response. support@cloudimg.co.uk
• Production Ready from Launch Pre-configured, security-patched, validated
• Azure Native Integration Azure Linux Agent, cloud-init, Gen2 Hyper-V, TrustedLaunch
• Per VM admin password Every deployed VM rotates the cloudimg admin password at first boot via kc.sh bootstrap-admin user

What is Included

• Keycloak 26.6.x from official GitHub release tarball at /opt/keycloak
• OpenJDK 21 JRE headless from Ubuntu 24.04 noble universe
• kc.sh build pre-compiled (Quarkus AOT) for fast startup
• keycloak.service running as keycloak:keycloak
• HTTP listener on TCP 8080, admin console at /admin/master/console/
• keycloak-firstboot.service rotating cloudimg admin password
• H2 file database at /opt/keycloak/data/h2 (single-VM dev/test scale)
• Ubuntu 24.04 LTS base with latest security patches
• 24/7 cloudimg support with guaranteed 24 hour response SLA

Recommended Virtual Machine Sizes

• Standard_B2s (2 vCPU, 4 GB RAM) — dev/test or small SSO deployments
• Standard_D4s_v5 (4 vCPU, 16 GB RAM) — production with PostgreSQL backend
• Standard_D8s_v5 (8 vCPU, 32 GB RAM) — high-traffic SSO with large user populations