I will do sso setup with lemonldap for saml, oidc and cas on linux

France

I speak English, French

Systems Engineer

I am a passionate Systems Engineer with extensive experience in managing IT infrastructures, including Windows and Linux servers, virtualization with VMware and ESXi, and storage solutions. I speciali...
About this Gig

Looking for a powerful open-source SSO alternative to Keycloak or commercial solutions? LemonLDAP::NG is the enterprise-grade SSO used by French universities, government agencies, and public administrations free, self-hosted, and multi-protocol.

I've been running LemonLDAP::NG in production for years across Debian 11, 12, and 13 migrations. I'll install and configure it properly on your server, with all the edge cases handled.

What you get:

  • Clean LemonLDAP::NG installation on Debian 12/13 or Ubuntu (latest stable, currently 2.23.0)
  • Nginx reverse proxy setup with proper SSL/TLS termination
  • Portal, Manager and Handler configured on your custom domain(s)
  • Backend of your choice: LDAP / Active Directory / SQL / OIDC federation
  • Session storage: file / Redis / SQL
  • One or more auth protocols configured: SAML 2.0, OpenID Connect, CAS, Kerberos/SPNEGO
  • Working debug logging setup (lemonldap-ng.ini properly configured)

Common protocols I've integrated:

  • SAML 2.0 as IdP for apps like Zabbix, GLPI, Nextcloud, custom apps
  • OIDC for Grafana, modern web apps
  • CAS for legacy apps and academic-style deployment
  • Kerberos / SPNEGO for transparent Windows domain authentication

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