Blog

SAS drives ignore ATA standby and the usual tools quietly stop working on them. What actually parks them, and a script that keeps them parked.

A short, no-dependency way to get an encrypted offsite backup onto an Oracle Cloud Always Free instance — replaces a Synology HyperBackup setup that needed a working DSM instance just to restore.

How AI quietly consumed my focus, patience, and mental space — and what I did about it.

Replacing scattered logins with Authentik on Oracle Cloud. Google login everywhere, proxy auth for Guacamole, OAuth2 for Portainer, and a K8s outpost for cluster services.

How I settled on five dedicated OpenClaw agents (news briefing, infrastructure monitoring, backup verification, dashboard automation and an orchestrator), running securely as a dedicated user with a custom command center dashboard.

A practical guide to keeping a multi-node Proxmox cluster, Talos Kubernetes, Synology, pfSense, and Docker services updated: rolling upgrade strategy, Renovate automation, and a cadence that doesn't consume your weekends.

Three separate failures from a single accidental reboot — CAM disk detection delay, serial console locking the keyboard out, and NIC enumeration mismatch. Documented as it happened.

Step-by-step GPU passthrough on Proxmox VE 8: IOMMU groups, VFIO binding, NVIDIA driver quirks, ROM dumps, and Tesla P40 for AI inference workloads.

Deploy OpenClaw (formerly Moltbot/Clawdbot) on Proxmox in an unprivileged LXC — setup, security hardening, and post-breach recommendations.

A fork of astro-erudite v1 with comments, analytics, SEO schemas, and an enhanced homepage — built for production blogging.

How to replace MinIO with Garage as the S3 backend for Longhorn backups — setup, bucket config, Kubernetes secret, and HelmRelease update.

Practical SSH hardening for production Linux servers — key-based auth, sshd_config, 2FA, host-based auth, fail2ban, and log monitoring.

How to restore Kubernetes applications from Longhorn backups — scale down, remove empty PVCs, restore volumes, create PVs/PVCs, and bring everything back up.

How to integrate Linux SMB file servers with Active Directory using SSSD, Samba, Kerberos, and realmd — tested on RHEL 8 and OpenSUSE 15.6.

Follow my complete journey from networking beginner to CCNA certified professional — including study methods, practical labs, challenges, and how this certification opened doors to cybersecurity opportunities.

Step-by-step guide to dual booting Windows 11 and Ubuntu — partitioning, installation, GRUB, and common fixes.

Why I moved from WordPress to Hugo, and how the site runs today — GitHub Actions, GitHub Pages, and Cloudflare.

A look around Google's offices in the Warsaw HUB, from a work trip to Warsaw where a friend who works there showed me around.

A practical guide to the 3-2-1 backup rule — what it means, how to implement it, and how to actually recover when things go wrong.

Rebuilding my K3s cluster from scratch with Ansible — VM provisioning via Cloud-Init on Proxmox, HA across three nodes, and full automation.

How I went from skipping university classes to landing my first sysadmin job — the CV, the interview, and the questions they asked.

Running Ollama, OpenWebUI, and Stable Diffusion on a CPU-only homelab server — installation, configuration, and integration.

How I integrated a Dell PowerEdge R720 into my homelab — fan control via IPMItool, firmware updates, Proxmox migration over NFS, RAID storage, and UPS integration with PowerPanel.

How to set up a Tailscale site-to-site L3 connection between a pfSense homelab subnet and a Linux cloud VM subnet.