The tools I run day to day on my own infrastructure.
Linux administration
Ubuntu, Arch, Debian. systemd services, package and user/group management, SSH key auth and hardening, sudo least-privilege, disk/mount management, NFS.
Containers & orchestration
Kubernetes (K8s), K3s, containerization, container orchestration, Docker, Docker Compose, segmented container networks.
Virtualization
Hypervisors (Proxmox VE, x86 & arm64), virtual machines, VM templates, PCIe GPU passthrough.
Networking & edge
VPN / mesh networking (Tailscale, WireGuard), ACLs, firewalls, DNS, TLS, reverse proxy (Nginx Proxy Manager, Caddy).
DevOps & release
Git, self-hosted Gitea, PR-based review, CI/CD, automated testing (pytest), zero-downtime redeploys and rollback.
Security
Secrets management (Infisical, machine identities), per-service virtual API keys, host hardening.
Storage
ZFS zpools, ZFS snapshot management, NFS shared storage.
Data services
PostgreSQL, Redis, MinIO (S3-compatible object storage).
AI / LLM ops
LiteLLM model gateway, LLM routing, AI agent operations.