Kubernetes Basics Cheatsheet

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Kubernetes Architecture Components Master Node: The control plane of the cluster, responsible for managing the state of the cluster, scheduling and managing workloads, and providing a centralized configuration. Worker Nodes: These are the machines (physical or virtual) that run your applications and services. Pods are scheduled on worker nodes, and the containers within those pods … Read more

Install CRI-O Container Runtime on Ubuntu 22.04|20.04|18.04

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Step 1: Update System Ensure your Ubuntu system is updated. If you’re afraid this could break your system you can skip. sudo apt update && sudo apt -y full-upgrade It is recommended to reboot your system to ensure it is running on updated version. [ -f /var/run/reboot-required ] && sudo reboot -f Step 2: Add … Read more

How ClusterIP Services Work in Kubernetes

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How ClusterIP Services Work in Kubernetes https://twitter.com/danielepolencic/status/1617493269939642368 🪄Smart summary: This thread explains how Kubernetes Services work. Services exist only in etcd, and there is no process listening on the Service’s IP address and port. Instead, traffic to the Service’s IP is intercepted by iptables rules, which know to forward the traffic to one of the … Read more

3D Printer – Faster Hot End & Heated Bed warm-up in Cura

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Settings – Manage Printer – Machine Settings – Start and End G-Code Start G-Code ​;—————————————— ;*** Start Dual Nozzle/Bed Preheating *** M140 S{material_bed_temperature_layer_0} ; start preheating the bed M104 S{material_print_temperature_layer_0} T0 ; start preheating hotend G28 ; home M190 S{material_bed_temperature_layer_0} ; heat to Cura Bed setting M109 S{material_print_temperature_layer_0} T0 ; heat to Cura Hotend ;*** … Read more