/home/user # apt-get remove openssh-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
openssh-client
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
openssh openssh-server
0 upgraded, 0 newly installed, 2 to remove and 74 not upgraded.
3 not fully installed or removed.
Need to get 0B of archives.
After unpacking 463kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 19514 files and directories currently installed.)
Removing openssh ...
Removing openssh-server ...
/usr/sbin/invoke-rc.d: eval: line 1: echo/etc/rc2.d/S55ssh: not found
invoke-rc.d: not a symlink: "/etc/rc2.d/S55ssh"
invoke-rc.d: dangling symlink: "/etc/rc2.d/S55ssh"
dpkg: error processing openssh-server (--remove):
subprocess pre-removal script returned error exit status 102
Errors were encountered while processing:
openssh-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

/home/user # dpkg --purge openssh-server
(Reading database ... 19514 files and directories currently installed.)
Removing openssh-server ...
/usr/sbin/invoke-rc.d: eval: line 1: echo/etc/rc2.d/S55ssh: not found
invoke-rc.d: not a symlink: "/etc/rc2.d/S55ssh"
invoke-rc.d: dangling symlink: "/etc/rc2.d/S55ssh"
dpkg: error processing openssh-server (--purge):
subprocess pre-removal script returned error exit status 102
Errors were encountered while processing:
openssh-server