Install MariaDB 11.4 on Ubuntu 24.04
Summary: Ubuntu 24.04’s repo installs MariaDB 10.11.x. This guide adds MariaDB’s official APT repo to install MariaDB 11.4, secures the […]
MariaDB
Apache Cassandra, Debezium
End-to-End: Stream Cassandra 5.0.5 CDC → Kafka 4.0 (SASL/SSL) → Spark 3.5.6 → Delta Lake
This post shows a clean, reproducible path to stream ThingsBoard data stored in Cassandra 5.0.5 into Kafka 4.0 using Debezium
Apache Cassandra
Fix cqlsh “unsupported version of Python” on Ubuntu 24.04 (Cassandra 5.0.5) with pyenv
Symptom Ubuntu 24.04 ships Python 3.12, but cqlsh 6.2.0 (Cassandra 5.0.x) only supports up to Python 3.11. This post shows
Python
Install Python 3.11 on Ubuntu 24.04 (Keep System 3.12) with pyenv
Need Python 3.11 on Ubuntu 24.04 (which ships 3.12)? Use pyenv to install 3.11 side-by-side without touching /usr/bin/python3. At a
Ubuntu
Fixing PCIe AER Errors on Minisforum Venus Series (AMD Ryzen 9 7940HS)
Introduction If you own a Minisforum Venus series mini PC with an AMD Ryzen 9 7940HS and run heavy workloads
Ceph, Kafka
How to Enable Ceph RGW Kafka Bucket Notifications
This guide shows you how to configure Ceph RGW to send bucket event notifications to Kafka over HTTPS using SASL/PLAIN
Kafka
How to Install Kafbat UI for Kafka 4.0 with SASL/PLAIN and HAProxy SSL Termination
In this post, we’ll set up Kafbat UI, a modern web-based Kafka management interface, to work with a secure Kafka
HAProxy, Kafka
How to Enable Username/Password Authentication (SASL/PLAIN) in Kafka 4.0 with HAProxy SSL Termination
In the previous post, How to Install Kafka 4.0 on a Single Ubuntu 24.04 Node with HAProxy SSL Termination, we
HAProxy, Kafka
How to Install Kafka 4.0 on a Single Ubuntu 24.04 Node with HAProxy SSL Termination
Introduction Apache Kafka 4.0 introduces KRaft mode (ZooKeeper-free) as the default. In this guide, we’ll install Kafka 4.0 on a
Ceph
Testing Object Versioning and Synchronization in Ceph RGW Multisite
Introduction In the previous post, How to Configure Ceph RGW Multisite with HAProxy and Let’s Encrypt on Ubuntu 24.04, we