sshfs [user@]hostname:[directory] localdir
sshfs me@x.x.x.x:/remote/path /local/path/ -o IdentityFile=/path/to/key
On BSD and OS-X, to unmount the filesystem:
umount localdir
~/.ssh/ :
ssh-copy-id user@host
vim /etc/ssh/sshd_config #ClientAliveInterval 60
#ClientAliveCountMax 30000 service sshd restart