備份原始源

sudo cp /etc/apt/sources.list /etc/apt/sources.list.disabled

查看ubuntu發(fā)行版本

lsb_release -a

arm64 noble版本的源

清華源

vim修改源

esc :1,$d # 刪除所有

# 默認(rèn)注釋了源碼鏡像以提高 apt update 速度，如有需要可自行取消注釋
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-backports main restricted universe multiverse# 以下安全更新軟件源包含了官方源與鏡像站配置，如有需要可自行修改注釋切換
deb http://ports.ubuntu.com/ubuntu-ports/ noble-security main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ubuntu-ports/ noble-security main restricted universe multiverse# 預(yù)發(fā)布軟件源，不建議啟用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-proposed main restricted universe multiverse
# # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/ noble-proposed main restricted universe multiverse

更新系統(tǒng)軟件源

# sudo apt update 是一個(gè)在基于 Debian 的 Linux 發(fā)行版（如 Ubuntu）中使用的命令
# 它用于更新本地軟件包索引數(shù)據(jù)庫。這個(gè)命令不會(huì)實(shí)際安裝或升級(jí)任何軟件包
# 但它會(huì)檢查配置的軟件源（通常位于 /etc/apt/sources.list 文件和 /etc/apt/sources.list.d/ 目錄下的文件中）
# 以獲取最新的軟件包列表和版本信息。
sudo apt-get update