尝试升级我的 Ubuntu 12.04 vps 时出现以下错误：
henrik@neung:~$ sudo apt-get upgrade
[sudo] password for henrik:
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:
nginx-full : Depends: nginx-common (= 1.2.4-1ubuntu0ppa2~precise) but 1.2.4-2ubuntu0ppa1~precise is installed
E: Unmet dependencies. Try using -f.
所以我尝试运行这个：
henrik@neung:~$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following extra …