SshjNohupPlayground.java

    // http://unix.stackexchange.com/questions/30903/how-to-escape-quotes-in-shell
    // http://unix.stackexchange.com/questions/4770/quoting-in-ssh-host-foo-and-ssh-host-sudo-su-user-c-foo-type-constructs
    // see apache commons-lang3 StringEscapeUtils
    // http://stackoverflow.com/questions/82256/how-do-i-use-sudo-to-redirect-output-to-a-location-i-dont-have-permission-to-wr?rq=1
    // http://stackoverflow.com/questions/3034186/in-java-is-there-a-way-to-write-a-string-literal-without-having-to-escape-quote

    public static void main(String[] args) throws IOException {

        final SSHClient ssh = new SSHClient();
        ssh.loadKnownHosts();

        ssh.connect("localhost");
        try {
            ssh.authPublickey(System.getProperty("user.name"));

            run(ssh, "nohup sh -c 'sh '\\''-c'\\'' '\\''sleep 30; echo ahoj >/tmp/ahoj'\\'' &' 1>'/dev/null' 2>&1 </dev/null");
            // run(ssh, "nohup sh -c 'sleep 10 &' </dev/null &>/dev/null");
            // run(ssh, "nohup sh -c 'sh -c '\\''sleep 30'\\'' </dev/null &>/dev/null &' </dev/null &>/dev/null");
            // run(ssh, "sh -c 'echo -n ah\\\"'x\"\\'\"y'oj'");
            // run(ssh, "sh -c 'echo -n '\\''ah'\\'''");
            // run(ssh, "sh -c 'echo -n '\\''ah\"'\\''x\"'\\''\"y'\\''oj'\\'''");

        } finally {
            ssh.disconnect();
        }

    }

    private static void run(final SSHClient ssh, String command) throws ConnectionException, TransportException, IOException {
        final Session session = ssh.startSession();
        // session.allocateDefaultPTY();
        try {
            final Command cmd = session.exec(command);
            // System.out.println(IOUtils.readFully(cmd.getInputStream()).toString());
            cmd.join();
            System.out.println("** exit status: " + cmd.getExitStatus());
        } finally {
            session.close();
        }
    }