/home/user/ # apt-get --reinstall install psswitcher
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 10 not upgraded.
1 not fully installed or removed.
After this operation, 0B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up psswitcher (0.2-3) ...
cp: cannot stat '/tmp/psswitcherd': No such file or directory
dpkg: error processing psswitcher (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 psswitcher
E: Sub-process /usr/bin/dpkg returned an error code (1)