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如何將Debian 13更新至最新狀態

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如何將Debian 13更新至最新狀態
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在執行系統更新前請確認:

已備份重要資料 (建議快照或完整備份)

若為遠端主機,請確認有備用登入方式 (例如主機商控制台)

生產環境建議先於測試機驗證更新



確認目前系統版本
uname -a ; lsb_release -a




預期輸出範例:
Linux xxxxxx 6.12.86+deb13-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.86-1 (2026-05-08) x86_64 GNU/Linux
No LSB modules are available.
Distributor ID:	Debian
Description:	Debian GNU/Linux 13 (trixie)
Release:		13
Codename:	trixie







檢查套件來源
cat /etc/apt/sources.list



來源應包含:
deb http://ftp.hk.debian.org/debian/ trixie main contrib non-free non-free-firmware

deb-src http://ftp.hk.debian.org/debian/ trixie main contrib non-free non-free-firmware

deb http://security.debian.org/debian-security trixie-security main contrib non-free non-free-firmware
deb-src http://security.debian.org/debian-security trixie-security main contrib non-free non-free-firmware

# trixie-updates, to get updates before a point release is made;
# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
deb http://ftp.hk.debian.org/debian/ trixie-updates main contrib non-free non-free-firmware
deb-src http://ftp.hk.debian.org/debian/ trixie-updates main contrib non-free non-free-firmware


若來源錯誤,更新可能失敗或安裝到非官方套件




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更新套件清單與檢視可升級套件
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更新套件清單
apt update -y



檢視可升級套件
apt list --upgradable



升級,升級過程中若出現設定檔覆蓋提示,建議保留原有設定   (按 N)   除非你清楚變更內容
apt upgrade -y








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確認升級完成
----------------


再次檢查是否還有可升級的套件,若顯示 Listing ... Done 代表已無可更新套件

apt list --upgradable




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清理系統垃圾
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清除已下載的舊版套件快取
apt autoclean


移除不再需要的套件
apt autoremove



建議升級後執行,釋放磁碟空間並保持系統乾淨



------------
重開機
------------


重開機 (若核心或重要系統套件有更新)
reboot




驗證更新結果,重開機後,再次檢查版本與核心
uname -a ; lsb_release -a



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檢視更新紀錄
--------------------


檢查更新日誌
cat /var/log/apt/history.log


可查看:
更新時間
更新套件列表
操作者與操作指令

Edited by Jack

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