OK, once solved the suricata one, let's go for the rest:
what's the output of
apt-get install -f -s
?
and of
apt-get install php5-common=5.5.3+dfsg-1ubuntu2.3 apache2-mpm-prefork apache2=2.4.6-2ubuntu2.2 libapache2-mod-ldap-userdir libapache2-mod-php5=5.5.3+dfsg-1ubuntu2.3 -s