Simple and fast shell remote [closed]

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I'm looking for a fast and easy method to remote shell to my raspberry pi (with out password require and encrypted like ssh ) because my project require running simple command to raspberry pi many times / a second, any suggest ideas? update: Method must be used in C++

Answer 1

Raw TCP sockets. It's hard to get simpler than that.

Server side:

#!/bin/bash
mkfifo /tmp/fifo.$$
netcat -l -p 12345 < /tmp/fifo.$$ | sh - &> /tmp/fifo.$$
rm /tmp/fifo.$$

• Create a named pipe
• Listen on port 12345. On connection, read from the pipe and write to stdout.
• Redirect stdout of netcat to a shell that writes to the pipe. Basically this creates a netcat <> sh duplex.

Client side: netcat ip.address 12345

• Takes commands on stdin
• Output on stdout

The client can also be implemented in C++ by using sockets. Boost.Asio iostreams are pretty straightforward. http://www.boost.org/doc/libs/1_55_0/doc/html/boost_asio/example/cpp03/iostreams/daytime_client.cpp

#include <boost/asio.hpp>
boost::asio::ip::tcp::iostream s("ip.address", "12345");
s << "command\n";
s >> output;