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+# 更換 Debian 官方套件鏡像
+
+```bash
+nano /etc/apt/sources.list
+```
+
+內容如下
+
+```
+deb http://ftp.tw.debian.org/debian bookworm main contrib non-free non-free-firmware
+deb http://ftp.tw.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
+deb http://security.debian.org/ bookworm-security main contrib non-free non-free-firmware
+```
+
+# Proxmox VE 官方套件來源
+
+```bash
+rm /etc/apt/sources.list.d/* && nano /etc/apt/sources.list.d/pve-no-subscription.list
+```
+
+內容如下
+
+```
+deb http://download.proxmox.com/debian/pve bookworm pve-no-subscription
+```
+
+# 清除快取、更新套件清單
+
+```bash
+apt clean && apt update
+```
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