Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:  
  vpnserver{p} 
0 packages upgraded, 0 newly installed, 1 to remove and 96 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Do you want to continue? [Y/n/?] 
(Reading database ... 233878 files and directories currently installed.)
Removing vpnserver (1.5.0) ...
Purging configuration files for vpnserver (1.5.0) ...
/var/lib/dpkg/info/vpnserver.postrm: 22: /var/lib/dpkg/info/vpnserver.postrm: systemctl: not found
dpkg: error processing package vpnserver (--purge):
 subprocess installed post-removal script returned error exit status 127
Errors were encountered while processing:
 vpnserver