Configure Keycloak Email with Zoho Mail on AWS EC2
When running Keycloak on an AWS EC2 instance, like my own deployment at keycloak.maksonlee.com, you’ll likely want to enable features […]
AWS EC2, Email Hosting, Keycloak
Hands-On DevOps & Homelab Experiments
From Kubernetes and Ceph to Proxmox, Kafka, Jenkins, Vault, Android, and CI/CD, every guide here is a tested, step-by-step walkthrough from my lab.
Jenkins
How to Enable Role-Based Security in Jenkins
By default, Jenkins allows all logged-in users full access, convenient for testing, but dangerous for real teams. Even matrix-based security
Jenkins, Keycloak
Map Keycloak Client Roles to Jenkins Groups
In a previous post, we integrated Jenkins with Keycloak using OpenID Connect (OIDC). Now let’s go one step further: map
Keycloak, OpenDJ
Sync OpenDJ Nested Groups to Keycloak
When integrating OpenDJ with Keycloak, syncing LDAP groups, especially nested groups, as Keycloak groups is essential for centralized, scalable access control across applications. Unlike OpenLDAP, OpenDJ
OpenDJ
Install OpenDJ on Ubuntu 24.04 with LDAPS via OPNsense HAProxy
Why Switch to OpenDJ OpenLDAP is a reliable and widely used directory server, but it lacks modern features without complex
Keycloak
Restrict Keycloak Client Login by Role
By default, Keycloak allows any authenticated user to access any client in a realm. In production, we often want to
Keycloak, OpenLDAP
How to Connect OpenLDAP to Keycloak
If you’re running your own OpenLDAP server and using Keycloak for identity and access management, you can integrate them so
OpenLDAP, PostgreSQL, Python
How to Sync Employee Data from an HR System to OpenLDAP
In most organizations, your HR system is the source of truth for employee identity data. Meanwhile, OpenLDAP is often used
Email Hosting
How to Set Up Free Email with Zoho Mail and Your Custom Domain Using Cloudflare DNS
Want a professional email like you@your_domain without paying for Gmail or Outlook? With Zoho Mail’s Forever Free Plan, you can
OpenLDAP
Install OpenLDAP on Ubuntu 24.04 with LDAPS via OPNsense HAProxy
In this guide, you’ll learn how to install and configure OpenLDAP on Ubuntu 24.04, and expose it securely using HAProxy