Backing up Prometheus is critical for preserving your monitoring history and metrics data. This updated guide for 2026 covers modern backup strategies using the Prometheus Admin API, Velero, and volume snapshots in Kubernetes environments with prometheus-operator.
Centralizing pfSense firewall logs in Wazuh SIEM provides critical security visibility and threat detection capabilities. This updated guide for 2026 covers pfSense 2.7.x/2.8.x and Wazuh 4.8+ with proper syslog formatting and decoder configuration.
Implementing 802.1X wireless authentication with Windows NPS (Network Policy Server) and UniFi access points provides enterprise-grade security for your wireless network. This updated guide for 2026 covers Windows Server 2022/2025 and the latest UniFi Controller.
Install GitLab CE with custom PostgreSQL and Nginx proxy.
In this post I will show you how you can rotate your Kubernetes Engine Certificates.
Running VMware ESXi nested inside Proxmox VE is perfect for testing vSphere features, learning VMware technologies, or building a homelab. This updated guide for 2026 covers Proxmox VE 8.x and VMware ESXi 8.0 U3 with the correct virtual hardware configuration.
In this post I will show you how you can use GitHub Actions for CI/CD and pass artifacts between jobs.
Kubernetes offers rich configuration options, but defaults are usually the least secure. Most sysadmins don’t know how to secure a Kubernetes cluster. So this is my Best Practice list for keeping Kubernetes Clusters Secure.
In this post I will show you how you can use RBAC in kubernetes.
Joining clients to an Active Directory domain requires specific firewall ports to be open. This updated guide for 2026 covers the minimum and recommended ports for Windows 11/Server 2022+ domain joins, including pfSense firewall configuration examples.