illwolf@mit[~]$ sudo apt-get remove apache2.2-common
Reading package lists... Done
Building dependency tree... Done
The following packages will be REMOVED:
  apache2-mpm-worker apache2.2-common
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
Need to get 0B of archives.
After unpacking 4202kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 90550 files and directories currently installed.)
Removing apache2-mpm-worker ...
invoke-rc.d: unknown initscript, /etc/init.d/apache2 not found.
dpkg: error processing apache2-mpm-worker (--remove):
 subprocess pre-removal script returned error exit status 100
dpkg: apache2.2-common: dependency problems, but removing anyway as you request:
 apache2-mpm-worker depends on apache2.2-common (= 2.2.3-3.3).
Removing apache2.2-common ...
Errors were encountered while processing:
 apache2-mpm-worker
E: Sub-process /usr/bin/dpkg returned an error code (1)
illwolf@mit[~]$