RHEL Support Lifecycle Planning
When deploying RHEL (Red Hat Enterprise Linux), it’s worthwhile to see where a specific version is within its lifecycle. Red
May 2026
APC NMC/PDU Web UI Access Denied (Expired SSL)
Issue An expired SSL certificate on the APC Network Management Card (NMC) or Rack PDU causes HTTPS communication to break.
Linux Firewall Management using firewalld
Over the past few months, I feel like I’ve been on a tear with deploying Linux. Most of the deployments
Overview of Single sign-on with SAML
I’ve found myself in several discussions about Single Sign-On (SSO) over the last few months and figured this would be
IPv4 CIDR Reference Chart
In enterprise networking, cloud deployments, and system architecture, a CIDR chart is a fundamental cheat sheet. As the title suggests,