*@*:/usr/share/cups/model$ sudo aptitude remove nginx
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Building tag database... Done
The following packages have been automatically kept back:
  libfaac0 xserver-xorg-input-synaptics
The following packages have been kept back:
  konversation tzdata
The following packages will be REMOVED:
  nginx
0 packages upgraded, 0 newly installed, 1 to remove and 4 not upgraded.
Need to get 0B of archives. After unpacking 528kB will be freed.
Writing extended state information... Done
(Reading database ... 169193 files and directories currently installed.)
Removing nginx ...
Stopping nginx: nginx.
/var/lib/dpkg/info/nginx.prerm: 39: Syntax error: "else" unexpected
dpkg: error processing nginx (--remove):
 subprocess pre-removal script returned error exit status 2
Starting nginx: nginx.
Errors were encountered while processing:
 nginx
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install.  Trying to recover:
*@*:/usr/share/cups/model$