configurations
It is recommended to turn off ufw (uncomplicated firewall):
ufw disable
If you wish to keep ufw enabled, by default, the following rules are required:
ufw allow 6443/tcp #apiserver
ufw allow from 10.42.0.0/16 to any #pods
ufw allow from 10.43.0.0/16 to any #services
Hardware
Hardware requirements scale based on the size of your deployments. Minimum recommendations are outlined here.
| Spec | Minimum | Recommended |
|---|---|---|
| CPU | 1 core | 2 cores |
| RAM | 512 MB | 1 GB |