MORE NOTES
ITIL v4 Incident Management: How to Respond to Incidents Fast Without Winging It
A practical guide to ITIL v4 Incident Management: severity classification (SEV-1 to SEV-4), the 6-step response process, key metrics (MTTA, MTTD, MTTR), the most common implementation mistakes, and a real-world WebLogic production example. Ready to apply to your team today.
Installing Ansible AWX 24.6.1 Offline on Rocky Linux 9 (Air-Gapped)
Step-by-step guide to install Ansible AWX 24.6.1 on Rocky Linux 9 in a fully air-gapped environment. Two scripts handle everything: one downloads all images, RPMs, and binaries on a machine with internet access; the other performs the complete offline installation on the destination server using Minikube and Kubernetes.
Oracle ORDS 25.x Standalone High Availability Setup
Step-by-step guide to deploy ORDS 25.x in standalone mode with high availability.
Creating and Configuring Network ACLs in Oracle Databases (12c+)
In modern Oracle Database versions (12c, 19c, 21c), outbound network access from the database (HTTP, HTTPS, APIs, SMTP, etc.) is controlled through **Network Access Control Lists (ACLs)**. This technical note describes the **Oracle-supported** procedure to: * Create a network ACL * Grant privileges to database users or schemas * Associate the ACL with a host and port * Validate the configuration * (Optional) Configure digital certificates for HTTPS connections
Using Local Docker Images in Kubernetes When Rebuilding Containers
This technical note documents a practical approach to deploy rebuilt container images in Kubernetes by loading them locally on cluster nodes. It is commonly used when validating new dependencies (such as Python libraries) before publishing images to a container registry.
vCenter Server Showing “Database Degraded” Due to /storage/log Usage
A real-world infrastructure issue where vCenter Server reported a “Database Degraded” status. This note explains how the problem was caused by log storage thresholds and how it was safely resolved.