DevOps von UCLAB

Σα βγεις στον πηγαιμό για την Ιθάκη, να εύχεσαι να 'ναι μακρύς ο δρόμος, γεμάτος περιπέτειες, γεμάτος γνώσεις. — Kavafis, Ithaka

Notes, labs and howtos from my homelab — Linux, Kubernetes, DevOps, networking & automation, and a bit of VoIP. The journey of learning is endless.

Latest Posts

VoiceOps: Webex Calling User Provisioning via GitOps

Jul 11, 2026 · VoIP

Managing Webex Calling users as declarative YAML — a translation agent turns plain-language requests into pull requests, and GitHub Actions reconciles them to the Webex REST API.

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Redesigning the Blog: From Risotto to Relearn

Jul 11, 2026 · DevOps

Migrating uclab.dev to hugo-theme-relearn with a custom dark variant, section-based navigation and a latest-posts homepage

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MPLS and LDP — Building a Label-Switched Network

Apr 30, 2026 · Networking & Automation

A hands-on walkthrough of MPLS LDP: session establishment, label bindings, the control plane, and the data plane on a 7-router Cisco lab.

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Containers From Scratch

Apr 15, 2026 · Linux

Running Liz Rice containers-from-scratch on Ubuntu Noble with cgroups v2 — what breaks and how to fix it.

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AI Devcontainer — Architecture & Setup

Apr 7, 2026 · DevOps

AI Devcontainer — Architecture & Setup

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Vault on a Synology NAS and Migrating Secrets

Apr 4, 2026 · Linux

Running HashiCorp Vault on a Synology NAS with Docker and Migrating Secrets

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Tmux Multiple Panes

Mar 30, 2026 · Linux

Sending the Same Command to Multiple Panes/Windows in tmux

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Building a Virtual Cisco Network Lab with Containerlab

Mar 28, 2026 · Networking & Automation

Building a Virtual Cisco Network Lab with Containerlab, IOL, and AWX

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Deploying NetBox on k3s

Mar 28, 2026 · Kubernetes

Deploying NetBox on k3s with Flux and Vault

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AWX in Practice

Mar 26, 2026 · Networking & Automation

AWX in Practice: Self-Service VLAN Provisioning with Surveys

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Deploying AWX on kubernetes

Mar 25, 2026 · Kubernetes

Deploying AWX on k3s with Flux GitOps

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Kubectl Kustomize

Mar 25, 2026 · Kubernetes

kubectl kustomize & apply -k – My Local Workflow on k3s with Flux

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