> For the complete documentation index, see [llms.txt](https://kawsing.gitbook.io/opensystem/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kawsing.gitbook.io/opensystem/docker-cong-an-zhuang-dao-ying-yong-ru-men-pian/she-ding-host-de-gu-ding-ip.md).

# 設定HOST的固定IP

## **修改/etc/netplan/50-cloud-init.yaml(範例設定)**<br>

```
network:
    ethernets:
      enp0s3:
        addresses: [203.68.102.99/24]
        gateway4: 203.68.102.254
        nameservers:
          addresses: [8.8.8.8,8.8.4.4]
        dhcp4: no
        optional: true

    version: 2

```

### **sudo netplan try**

**這個命令執行後會檢查設定檔格式，如果正確的話就會套用，並且在 120 秒以後自動還原設定**<br>

### **sudo netplan apply**

**測試沒有問題，就可以執行上面命令真正進行設定**<br>