After installing sshfs in Ubuntu:
sudo apt-get install sshfs
You can mount a folder located in a remote machine via SSH with a command like this:
sudo sshfs user@remote_server:/remote_folder /local_folder
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The problem here is that only the root user is going to be able to enter in /local_folder. This is fixed with the allow_other option:
sudo sshfs -o allow_other user@remote_server:/remote_folder /local_folder
