sudo apt-get -f install
$ sudo apt-get check Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: linux-generic-pae : Depends: linux-image-generic-pae (= 22.214.171.124.44) but 126.96.36.199.45 is installed Depends: linux-headers-generic-pae (= 188.8.131.52.44) but 184.108.40.206.45 is installed N: Ignoring file '50unattended-upgrades.distrib' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension E: Unmet dependencies. Try using -f.
sudo apt-get -f install后的提取如下：
$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: openclient-about 3270-common ibm-config-anyconnect openclient-agnclient-notifications xfonts-x3270-misc libqt4-gui ibm-3270-emulator x3270 unity-lens-ocdc anyconnect ibm-cck-ff4 ibm-lotus-upgrade-fix ibm-ocdc-documentation ocdc-unity-tweaks ibm-application-menus Use 'apt-get autoremove' to remove them. The following extra packages will be installed: linux-generic-pae The following packages will be upgraded: linux-generic-pae 1 upgraded, 0 newly installed, 0 to remove and 181 not upgraded. 1 not fully installed or removed. Need to get 0 B/1,728 B of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? Y dpkg: dependency problems prevent configuration of linux-generic-pae: linux-generic-pae depends on linux-image-generic-pae (= 220.127.116.11.44); however: Version of linux-image-generic-pae on system is 18.104.22.168.45. linux-generic-pae depends on linux-headers-generic-pae (= 22.214.171.124.44); however: Version of linux-headers-generic-pae on system is 126.96.36.199.45. dpkg: error processing linux-generic-pae (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing: linux-generic-pae N: Ignoring file '50unattended-upgrades.distrib' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension E: Sub-process /usr/bin/dpkg returned an error code (1)
dpkg --remove linux-image-server然后
apt-get install linux-image-server解决了一个几乎相同的问题（见下文）。 或者在你的情况下：
sudo dpkg --remove linux-generic-pae sudo apt-get install linux-generic-pae
The following packages have unmet dependencies: linux-server : Depends: linux-image-server (= 188.8.131.52.44) but 184.108.40.206.45 is to be installed Depends: linux-headers-server (= 220.127.116.11.44) but 18.104.22.168.45 is to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).