*`Updated: 2023/07/22`*

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PPPoE設定、網路設定故障排除、關閉與啟動GUI

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## PPPoE設定

1. 安裝pppoeconf

sudo apt-get install pppoeconf

2. 使用Terminal進行設定

sudo pppoeconf

## code-server設定

### code-server安裝

1. 執行安裝腳本

curl -fsSL https://code-server.dev/install.sh | sh

2. 於`.config/code-server/config.yaml`中修改密碼

3. 設定開機啟動

sudo systemctl enable --now code-server@$USER

4. 安裝Nginx

sudo apt install -y nginx certbot python3-certbot-nginx

5. 於`/etc/nginx/sites-available/code-server`中加入下列文字

server {
    listen 80;
    listen [::]:80;
    server_name mydomain.com;

    location / {
      proxy_pass http://localhost:8080/;
      proxy_set_header Host $host;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection upgrade;
      proxy_set_header Accept-Encoding gzip;
    }
}

6. 產生連結

sudo ln -s /etc/nginx/sites-available/code-server /etc/nginx/sites-enabled/code-server

### code-server服務選項

sudo systemctl status code-server@$USER

### 啟用nginx

sudo certbot --non-interactive --redirect --agree-tos --nginx -d cocobird.net -m [e-mail]

## 故障排除

### 遇到 "No wired connection - Wired unmanaged"

參照[此篇](https://askubuntu.com/questions/1039233/no-wired-connection-wired-unmanaged-ubuntu-18-04)說明
1. 更改`/etc/NetworkManager/NetworkManager.conf`中的`managed`設定為`true`

2. 重新啟動服務

sudo systemctl restart network-manager

### 遇到pppoe斷線問題

1. 停止pppoe連線

sudo poff -a

2. 手動撥接

cd /etc/ppp/peers
pon dsl-provider

## GUI設定

### 關閉GUI

sudo systemctl set-default multi-user
gnome-session-quit

- 重新開機時按下`ctrl`+`alt`+`F1`進入登入程序

### 啟動GUI

sudo systemctl set-default graphical
sudo systemctl start gdm3