I add this info in case it has some useness to find the root of the problem:
$ uname -a && dpkg -l ssh sshfs pcmanfm ftp
Linux user 4.8.15-gnu #1 SMP Thu Dec 15 18:46:29 UTC 2016 x86_64 x86_64
x86_64 GNU/Linux
||/ Nombre Versión Arquitectura Descripción
+++-==============-============-============-=================================
ii ftp 0.17-28 amd64 classical file transfer client
ii pcmanfm 1.2.0-1 amd64 extremely fast and lightweight
fi
ii ssh 1:6.6p1-2ubu all secure shell client and server
(m
ii sshfs 2.5-1ubuntu1 amd64 filesystem client based on SSH
Fi
Anything else I could do?
Thanks a lot!
