# Kubernetes Install Server

## deploy k3s
- if you reinstall agent, you must copy password from master and paste it to /var/lib/rancher/k3s/agent/node-password.txt. the password is from /var/lib/rancher/k3s/server/cred/passwd in master server

- if you want to run "sudo kubectl get nodes" in agent, you must copy k3s.yaml(in /etc/rancher/k3s) from master and paste it to /etc/rancher/k3s/ in master

- K3S_TOKEN is the content of /var/lib/rancher/k3s/server/node-token in master

- if you set the nodename of agent, you must add ip nodename(such as 127.0.0.1   node-1) to /etc/hosts

## iptable rules
- 允许	自定义 TCP	8080/8080	IPv4地址段访问	192.168.14.0/24
- 允许	自定义 UDP	8472/8472	IPv4地址段访问	192.168.14.0/24
- 允许	自定义 UDP	6443/6443	IPv4地址段访问	192.168.14.0/24