NATS 3-Node JetStream Cluster with mTLS
Deploying a production 3-node NATS JetStream cluster with clustering, account security, and mTLS hardening.
RabbitMQ Cluster Deployment on VMs for Production
Deploying a production RabbitMQ cluster on RHEL 9 VMs — Erlang setup, cluster formation, and load balancing.
Configuring a PostgreSQL Datasource in JBoss EAP 8.0 (Domain Mode)
Adding a PostgreSQL JDBC datasource to JBoss EAP 8.0 in domain mode, from driver modules to connection pooling.
RedHat JBoss EAP Cluster Setup in Domain Mode
Setting up a Red Hat JBoss EAP cluster in domain mode, including domain and host controller configuration.
OpenShift Storage: PVCs, Storage Classes, and the Chaos Between
A practical breakdown of OpenShift persistent storage — PVCs, PVs, Storage Classes, and sane defaults.
Redis High Availability with Redis Sentinel
Practical guide to Redis Sentinel HA — covering architecture, failover validation, and multi-node setup.
Deploying RabbitMQ on OpenShift with the Cluster Operator
Standing up a production RabbitMQ cluster on OpenShift using the VMware Tanzu Cluster Operator.
Establishing a Scalable HDFS Data Architecture with Hadoop, Hive, Spark, Livy, and NiFi
Scalable big data stack with Hadoop, Hive, Spark, Livy, and NiFi for distributed data flows and queries.
Zero Downtime with Kubernetes
Guide to zero-downtime Kubernetes deployments — rolling updates, HA setup, liveness probes, PDBs, and autoscaling.