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Tag: k3s

Moving NGINX TLS from a Manual Secret to cert-manager (with mkcert CA)

HomeLab – Moving NGINX TLS from a Manual Secret to cert-manager (with mkcert CA) – Day 14

October 17, 2025 admin DevOps, Homelab For Devops, Linux

Today we finished the transition from a manually managed TLS secret to an automated, GitOps-friendly setup driven by cert-manager. Our[…]

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Day 4 — Install k3s with Ansible: set token, run playbook, verify with kubectl

HomeLab – Install k3s with Ansible (Token, Role & Playbook, kubectl Verify) – Day 4

October 2, 2025 admin DevOps, Homelab For Devops, Linux

Goal: Generate a secure k3s token, deploy a single-master / two-worker k3s cluster with Ansible, and verify the cluster with[…]

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Day 3 — Pre-flight & UFW for k3s: disable swap, sysctl & modules, open ports 22/6443/8472/30000–32767

HomeLab – Pre-flight & Firewall (UFW) for k3s – Day 3

October 1, 2025 admin DevOps, Homelab For Devops, Linux

Goal: Prepare Linux nodes for k3s by disabling swap, setting required sysctl and kernel modules, and opening firewall ports via[…]

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