How to configure a Jump Proxy

A Jump Proxy or Jump Host is a server or device that is used as a bridge to connect to another device that is usually on a local area network (LAN), the Jump Proxy is accessible via external IP and it must implement rules of security that protect both the Jump Proxy and the LAN.

Remote commands on GNU/Linux

To run a remote command on GNU/Linux or another UNIX variant, you must be able to access the remote server through ssh

In order to run the remote command type:
$ ssh servidor-remoto command

Mount remote directory using SSHFS

SSHFS (Secure SHell FileSystem) is a file system for GNU/Linux, BSD and other UNIX like OS that allows you to mount a remote directory in userspace (filesystem userspace) making use of FUSE and ssh. Once you mounted the remote directory you can do any operation over it as if it were a local DIR.