sshfs alternative

SSHFS is no longer maintained what can be used for alternative in this situation. Look at this Project GVfs from Gnome.

Mount SSH

gio mount ssh://IP/

Unmount

gio mount -u ssh://IP/

ssh-agent add key error message

sometimes you got an error with ssh-agent mykey

Could not open a connection to your authentication agent.

then try this

exec ssh-agent bash

found here

Example

ssh alice@275.128.172.46 -p 1500
instead
ssh website

Look here for more infos