Daniel Gustafsson

I’m not the best at any one thing, but I know a little about most of them. That is a deliberate positioning, not false modesty. I have been running Linux since 1995 — SUSE and Slackware, found via CD from Datormagazin — and the 30 years since have been wide rather than deep: infrastructure, networking, monitoring, containers, security, scripting, the web stack. I have seen distributions come and go, watched Docker replace configuration management religion, and seen LLMs land in CI pipelines. That history gives context. It is not a credential.

The home lab where I test is a three-node Proxmox VE cluster running on Dell PowerEdge R730xd, R240, and T430 servers, with dual Juniper EX4200 switches in Virtual Chassis and a Quanta LB6M handling the 10GbE fiber backbone. The network runs across 11 VLANs with pfSense doing inter-VLAN routing and firewall enforcement. Security monitoring goes through Wazuh SIEM. Container workloads run on K3s. The point of building it this way was exactly what I said when I finally got it working: everything that should be separate actually is, and the IP space is not cramped. When something behaves unexpectedly in my articles, it behaved that way on that hardware, in that network, on a real version I can point to.

I write about tools I have run, on hardware I own, with versions I can name. Claims in Deep Dives are tied to specific configurations. When a test gives unexpected results, I publish those results, not a cleaned-up summary.

The terminal is always where I end up anyway — we always slide back to it, no matter how many interfaces people build on top.

What I cover

• Linux administration and internals
• Network configuration and operations
• Home lab and small-scale infrastructure
• Containers and Kubernetes in practice
• AI tools in DevOps and sysadmin contexts
• Monitoring, security observability, and SIEM
• Accessibility tooling and web infrastructure

If you want to reach me: daniel@serverdigital.net