mrd@mrdros3:~$ sudo mount -v -t cifs -o username=myuser,password=mypassword,workgroup=windowsdomain //fileserver/dir /home/user/mymountdir
mount.cifs kernel mount options: ip=151.96.24.20,unc=\\fileserver,,ver=1,user=myuser,domain=windowsdomain,prefixpath=dir,pass=**********
mount error(5): Input/output error
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
mrd@mrdros3:~$