Execution of '/usr/bin/apt-get -q -y -o DPkg::Options::=--force-confold install apache2' returned 100: Reading package lists...
Building dependency tree...
Reading state information...
The following extra packages will be installed:
  apache2-bin apache2-data libapr1 libaprutil1 libaprutil1-dbd-sqlite3
  libaprutil1-ldap liblua5.1-0
Suggested packages:
  apache2-doc apache2-suexec-pristine apache2-suexec-custom apache2-utils
The following NEW packages will be installed:
  apache2 apache2-bin apache2-data libapr1 libaprutil1 libaprutil1-dbd-sqlite3
  libaprutil1-ldap liblua5.1-0
0 upgraded, 8 newly installed, 0 to remove and 30 not upgraded.
Need to get 1574 kB of archives.
After this operation, 5570 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap apache2-bin
  apache2-data apache2
E: There are problems and -y was used without --force-yes