jacob@Gandalf:~$ sudo apt-get install samba
[sudo] password for jacob: 
Sorry, try again.
[sudo] password for jacob: 
Sorry, try again.
[sudo] password for jacob: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
samba is already the newest version (2:4.3.11+dfsg-0ubuntu0.16.04.3).
The following packages were automatically installed and are no longer required:
  gksu gstreamer0.10-gconf gstreamer0.10-plugins-good gstreamer0.10-pulseaudio
  gstreamer0.10-x iproute libgksu2-0 libuser1 python-libuser xl2tpd
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up samba (2:4.3.11+dfsg-0ubuntu0.16.04.3) ...
Job for smbd.service failed because the control process exited with error code. See "systemctl status smbd.service" and "journalctl -xe" for details.
invoke-rc.d: initscript smbd, action "start" failed.
dpkg: error processing package samba (--configure):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for libc-bin (2.23-0ubuntu5) ...
Errors were encountered while processing:
 samba
N: Ignoring file '50unattended-upgrades.ucf-old' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension
E: Sub-process /usr/bin/dpkg returned an error code (1)