linux:/etc# apt-get install apache2
Reading package lists... Done
Building dependency tree... Done
The following extra packages will be installed:
  apache2-mpm-worker apache2.2-common
The following NEW packages will be installed:
  apache2 apache2-mpm-worker apache2.2-common
0 upgraded, 3 newly installed, 0 to remove and 1 not upgraded.
Need to get 0B/1391kB of archives.
After unpacking 4284kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Selecting previously deselected package apache2.2-common.
(Reading database ... 21556 files and directories currently installed.)
Unpacking apache2.2-common (from .../apache2.2-common_2.2.3-4_i386.deb) ...
Selecting previously deselected package apache2-mpm-worker.
Unpacking apache2-mpm-worker (from .../apache2-mpm-worker_2.2.3-4_i386.deb) ...
Selecting previously deselected package apache2.
Unpacking apache2 (from .../apache2_2.2.3-4_all.deb) ...
Setting up apache2.2-common (2.2.3-4) ...

Setting up apache2-mpm-worker (2.2.3-4) ...
grep: /etc/apache2/mods-enabled/*.load: No such file or directory
It looks like you've deleted /etc/apache2/mods-available/cgid.load, so mod_cgid cannot be enabled.  To fix this, please purge and reinstall apache2.2-common.
Starting web server (apache2)...apache2: Could not open configuration file /etc/apache2/apache2.conf: No such file or directory
 failed!
invoke-rc.d: initscript apache2, action "start" failed.

Setting up apache2 (2.2.3-4) ...
linux:/etc#