Write-ups, guides, and things learned the hard way — as soon as there's something worth writing down.
SUSE Edge Image Builder (EIB) turns a declarative YAML definition into a self-installing ISO with RKE2 baked in. Stripping a six-Helm-chart, five-node observability cluster down to a single node to debug the ISO mechanism in a KVM VM first, then scaling it back up to five bare-metal boxes.
Read the post →Same disposable single-node RKE2 test image the lenny cluster started from, repurposed entirely: Kubernetes stripped out, replaced with a two-NIC nftables WAN/LAN gateway.
Read the post →A new EIB definition, separate from the lenny cluster: three RKE2 server nodes whose whole job is running Rancher Manager itself. Verified against the real Helm repos before writing a single line, and everything that's still a deliberate placeholder since no hardware's been chosen yet.
Read the post →SELinux packages, two layers of firewalld, a cloud provider's own edge firewall, and a certificate stuck in cert-manager's backoff — what it actually took to get this site serving TLS off a single k3s node.
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