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技巧:替换为国内清华源 + 关闭无用系统定时器
步骤 1:备份原源文件
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
步骤 2:写入清华 debian13 镜像源
sudo tee /etc/apt/sources.list <<'eof'
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ trixie main contrib non-free non-free-firmware
deb https://mirrors.tuna.tsinghua.edu.cn/debian/ trixie-updates main contrib non-free non-free-firmware
deb https://mirrors.tuna.tsinghua.edu.cn/debian-security/ trixie-security main contrib non-free non-free-firmware
eof
步骤 3:更新软件源
sudo apt update
sudo apt upgrade -y
步骤 4:查看消耗资源的 systemd 定时器(debian13 默认会启用不少定时任务)
关闭自动 apt 定时任务(桌面版推荐)
sudo systemctl disable --now apt-daily.timer apt-daily-upgrade.timer