我从我们网络上的几台计算机收到了这封电子邮件。知道我需要做什么吗？
Unattended upgrade returned: False
Packages that attempted to upgrade:
firefox firefox-locale-en flashplugin-installer
gir1.2-panelapplet-4.0 gnome-calculator gnome-panel gnome-panel-data
gnome-session-flashback libgweather-3-6 libgweather-common
liboxideqt-qmlplugin liboxideqtcore0 libpanel-applet-4-0
oxideqt-codecs-extra python-cupshelpers python-requests
python3-requests system-config-printer-common
system-config-printer-gnome system-config-printer-udev wpasupplicant
Unattended-upgrades log:
Initial blacklisted packages:
Starting unattended upgrades script
Allowed origins are: ['origin=Canonical,suite=trusty', 'origin=Ubuntu,suite=trusty-security', 'origin=Ubuntu,suite=trusty-updates']
Packages that are auto removed: ''
Packages that will be upgraded: firefox firefox-locale-en flashplugin-installer gir1.2-panelapplet-4.0 gnome-calculator gnome-panel gnome-panel-data gnome-session-flashback libgweather-3-6 libgweather-common liboxideqt-qmlplugin liboxideqtcore0 libpanel-applet-4-0 oxideqt-codecs-extra python-cupshelpers python-requests python3-requests system-config-printer-common system-config-printer-gnome system-config-printer-udev wpasupplicant
Writing dpkg log to '/var/log/unattended-upgrades/unattended-upgrades-dpkg_2014-10-15_10:56:47.744158.log'
Internal error while building a minimal partition.Cache has not allowed changes
这是日志文件的内容：
(Reading database ... 357633 files and directories currently installed.)
Preparing to unpack .../rsyslog_7.4.4-1ubuntu2.3_amd64.deb ...
Unpacking rsyslog (7.4.4-1ubuntu2.3) over (7.4.4-1ubuntu2.1) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for ureadahead (0.100.0-16) ...
ureadahead will be reprofiled on next reboot
Setting up rsyslog (7.4.4-1ubuntu2.3) ...
The user `syslog' is already a member of `adm'.
Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
rsyslog stop/waiting
rsyslog start/running, process 6982
如果重要的话：
#uname -a
Linux xxxxx 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
答案1
错误消息具有误导性。问题在于该apt-get upgrade命令想要显示一些更改日志，但由于它是自动升级，因此没有tty用户接受更改，因此发生了此错误/电子邮件。
通过交互sudo apt-get upgrade并接受更改解决了该问题。