就在今天,我注册了Google Cloud Compute Engine.我做了一切,但后来我在安装PHP5-mcrypt扩展时遇到了错误.
错误：

root@instance-2:~# sudo apt-get install PHP5-mcrypt
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 PHP5-mcrypt : Depends: PHPapi-20121212
               Depends: PHP5-common (= 5.5.24+dfsg-1+deb.sury.org~vivid+1) but 5.6.4+dfsg-4ubuntu6 is to be installed
E: Unable to correct problems,you have held broken packages.

我到处搜索,然后我来到这里.请帮忙.

apt-get install PHP5-common

apt-get purge PHP5-common
apt-get install PHP5-common

sudo apt-get install aptitude
sudo aptitude install PHP5-mcrypt

sudo service apache2 restart