Kubuntu 22.04系统APT自动占用带宽下载内容的问题排查求助

最近几周我被一个问题困扰得不行：每天APT都会自动用最高网络优先级下载东西，而且完全不需要输入密码。我本身网速就慢，每次下载要耗20-25分钟，这段时间里别说收发邮件了，连网页都加载不出来，情况真的没法忍了。

目前我只拿到了一张相关截图[相关运行状态截图]，想问问有没有办法获取更多信息？我真的想搞清楚系统到底在下载什么……

我的系统是Kubuntu 22.04，要是有什么信息没提供，尽管问我。

编辑补充信息：

APT自动更新配置文件内容 #

• /etc/apt/apt.conf.d/10periodic：

APT::Periodic::Update-Package-Lists "1";

APT::Periodic::Download-Upgradeable-Packages "0";

APT::Periodic::AutocleanInterval "0";

• /etc/apt/apt.conf.d/20-auto-upgrades：

APT::Periodic::Update-Package-Lists "1";

APT::Periodic::Unattended-Upgrade "1";

无人值守更新日志内容 #

以下是/var/log/unattended-upgrades/unattended-upgrades.log的日志，我怀疑系统可能在下载NVIDIA驱动，但安装失败了？

2023-07-08 20:30:18,153 INFO Initial blacklist:

2023-07-08 20:30:18,153 INFO Initial whitelist (not strict):

2023-07-08 20:45:42,470 INFO Starting unattended upgrades script

2023-07-08 20:45:42,470 INFO Allowed origins are: o=Ubuntu,a=jammy, o=Ubuntu,a=jammy-security, o=UbuntuESMApps,a=jammy-apps-security, o=UbuntuESM,a=jammy-infra-security, o=LP-PPA-mozillateam,a=jammy

2023-07-08 20:45:42,470 INFO Initial blacklist:

2023-07-08 20:45:42,470 INFO Initial whitelist (not strict):

2023-07-08 20:45:45,742 WARNING Package nvidia-kernel-common-525 has conffile prompt and needs to be upgraded manually

2023-07-08 20:45:46,238 INFO package libnvidia-cfg1-515 not upgraded

2023-07-08 20:45:46,574 INFO package libnvidia-compute-515 not upgraded

2023-07-08 20:45:46,879 INFO package libnvidia-compute-515:i386 not upgraded

2023-07-08 20:45:47,192 INFO package libnvidia-decode-515 not upgraded

2023-07-08 20:45:47,512 INFO package libnvidia-decode-515:i386 not upgraded

2023-07-08 20:45:47,768 INFO package libnvidia-encode-515 not upgraded

2023-07-08 20:45:48,027 INFO package libnvidia-encode-515:i386 not upgraded

2023-07-08 20:45:48,285 INFO package libnvidia-extra-515 not upgraded

2023-07-08 20:45:48,545 INFO package libnvidia-fbc1-515 not upgraded

2023-07-08 20:45:48,799 INFO package libnvidia-fbc1-515:i386 not upgraded

2023-07-08 20:45:49,055 INFO package libnvidia-gl-515 not upgraded

2023-07-08 20:45:49,309 INFO package libnvidia-gl-515:i386 not upgraded

2023-07-08 20:45:49,563 INFO package nvidia-compute-utils-515 not upgraded

2023-07-08 20:45:49,682 WARNING package nvidia-dkms-515 upgradable but fails to be marked for upgrade (E:Unable to correct problems, you have held broken packages.)

2023-07-08 20:45:49,898 WARNING package nvidia-dkms-515 upgradable but fails to be marked for upgrade (E:Unable to correct problems, you have held broken packages.)

2023-07-08 20:45:50,001 INFO package nvidia-dkms-515 not upgraded

2023-07-08 20:45:50,119 WARNING package nvidia-driver-515 upgradable but fails to be marked for upgrade (E:Unable to correct problems, you have held broken packages.)

2023-07-08 20:45:50,338 WARNING package nvidia-driver-515 upgradable but fails to be marked for upgrade (E:Unable to correct problems, you have held broken packages.)

2023-07-08 20:45:50,443 INFO package nvidia-driver-515 not upgraded

2023-07-08 20:45:50,662 INFO package nvidia-kernel-common-515 not upgraded

2023-07-08 20:45:50,971 INFO package nvidia-kernel-source-515 not upgraded

2023-07-08 20:45:51,244 INFO package nvidia-utils-515 not upgraded

2023-07-08 20:45:51,557 INFO package xserver-xorg-video-nvidia-515 not upgraded

2023-07-08 20:45:51,663 INFO No packages found that can be upgraded unattended and no pending auto-removals

2023-07-08 20:45:51,708 INFO Package libnvidia-cfg1-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,709 INFO Package libnvidia-compute-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,709 INFO Package libnvidia-compute-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,710 INFO Package libnvidia-decode-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,711 INFO Package libnvidia-decode-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,712 INFO Package libnvidia-encode-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,713 INFO Package libnvidia-encode-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,713 INFO Package libnvidia-extra-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,714 INFO Package libnvidia-fbc1-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,715 INFO Package libnvidia-fbc1-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,716 INFO Package libnvidia-gl-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,717 INFO Package libnvidia-gl-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,742 INFO Package nvidia-compute-utils-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,743 INFO Package nvidia-dkms-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,743 INFO Package nvidia-driver-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,744 INFO Package nvidia-kernel-common-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,745 INFO Package nvidia-kernel-source-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,746 INFO Package nvidia-utils-515 is kept back because a related package is kept back or due to local apt_preferences(5).

2023-07-08 20:45:51,767 INFO Package xserver-xorg-video-nvidia-515 is kept back because a related package is kept back or due to local apt_preferences(5).

另外还有一张截图显示软件更新是手动管理的[更新模式设置截图]，下面是Discover应用里选中的所有源[Discover源列表截图]。

备注：内容来源于stack exchange，提问作者Davide_sd