Rancher - RedMamba's blog

Skip the Upgrade Chain: Fresh RKE2 + Rancher Install, and How to Migrate Your Apps Over Cleanly

04 Jul 2026 8 min read Rancher

The previous post walked through the painful, mandatory hop-by-hop path required to upgrade an existing Rancher server from v2.4.3 to v2.12.1. If your v2.4.3 environment is old

Upgrading Rancher Server from v2.4.3 to v2.12.1: A Bulletproof, Step-by-Step Guide

04 Jul 2026 8 min read Rancher

If you're still running Rancher v2.4.3, you're roughly eight minor versions and five years behind current. That gap matters more than it sounds like, because of one

Self-Hosted K8s Anywhere: Rancher + WireGuard Behind ISP NAT

22 Jun 2026 9 min read K8S

Kubernetes WireGuard Rancher 12 min read Run distributed Kubernetes clusters across the globe — connecting remote nodes from AWS, home labs, and anywhere else — without needing a single open inbound port on your ISP