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 […]
OpenDJ
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
Apache Spark, Python
Analyze ThingsBoard IoT Data in JupyterLab Using PySpark
After filtering and transforming telemetry from ThingsBoard into a clean Delta Lake table, you can begin exploring the data interactively
Apache Spark, Python
Use JupyterLab to Query Delta Lake Tables on a Spark Node
If you’ve already followed my previous guide to install JupyterLab, you might wonder how to use it for working with
Apache Spark, IoT, ThingsBoard
Filter and Transform ThingsBoard IoT Data for Analysis Using Spark SQL
Introduction Once you’ve synced ThingsBoard data into Delta Lake, including both entity data from PostgreSQL and time-series data from Cassandra,
Apache Spark, PostgreSQL, ThingsBoard
Sync ThingsBoard Entity Data from PostgreSQL to Delta Lake Using Spark SQL
This post shows how to keep a Delta Lake table synchronized with a PostgreSQL table using only Spark SQL and