The process to activate SAML SSO on Jenkins involves the following steps:
- Install the SAML Plugin on Jenkins.
- Configure the SAML Plugin with the correct settings including the SSO endpoint, the issuer ID, and the certificate.
- Modify the Jenkins security settings to use the SAML plugin as the authentication source.
- Create a SAML JAR file for the configuration.
- Restart Jenkins to activate the SAML SSO feature.
It is advisable to test the SAML SSO configuration by logging in with a test user account before making it available to users.