How to mount remote linux filesystems
The simplest way is using SSHFS (Secure SHell FileSystem)
Install SSHFS if you don't have it
sudo apt-get install sshfs -y
run
sshfs [email protected]:/home/username/ /mnt/username
where x.x.x.x remote machine
Check that it was mounted
df -h
To unmount just run
umount /mnt/username