$ sudo apt-get install apache2 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:  apache2 : Depends:
apache2-bin (= 2.4.10-1+deb.sury.org~trusty+1) but
2.4.10-1+deb.sury.org~precise+1 is to be installed
           Depends: apache2-data (= 2.4.10-1+deb.sury.org~trusty+1) but 2.4.10-1+deb.sury.org~precise+1 is to be installed E: Unable to
correct problems, you have held broken packages