root@Linuxserver ~ > ssh -t -l root 192.168.2.1 '. ~/.profile;/var/media/ftp/Intenso-RainbowLine-01/MyUtils/LanDeviceActive.pl HP-Laptop'

root@Linuxserver ~ > ssh -t -l root 192.168.2.1 echo $?

package main;
use strict;
use warnings;
use Net::SSH::Perl;
#Test_FB_abfrage
sub
PersonPresent($) {
my $host = "192.168.2.1";
my $user = "root";
my $landevice = $_[0];
my $ssh2fritzbox = Net::SSH::Perl->new($host, debug=>3, identity_files=>["/root/.ssh/id_rsa"]);
$ssh2fritzbox->login($user);
my($stdout, $stderr, $exit) = $ssh2fritzbox->cmd(". ~/.profile; /var/media/ftp/Intenso-RainbowLine-01/MyUtils/LanDeviceActive.pl $landevice");
Log 3, ">>> $landevice $exit";
return $exit;
}

Linuxserver: Reading configuration data /root/.ssh/config
Linuxserver: Reading configuration data /etc/ssh_config
Linuxserver: Connecting to 192.168.2.1, port 22.
Linuxserver: Remote protocol version 2.0, remote software version dropbear_0.52
Linuxserver: Net::SSH::Perl Version 1.35, protocol version 2.0.
.inuxserver: No compat match: dropbear_0.52
Linuxserver: Connection established.
Linuxserver: Sent key-exchange init (KEXINIT), wait response.
Linuxserver: Algorithms, c->s: 3des-cbc hmac-sha1 none
Linuxserver: Algorithms, s->c: 3des-cbc hmac-sha1 none
Linuxserver: Entering Diffie-Hellman Group 1 key exchange.
Linuxserver: Sent DH public key, waiting for reply.
Linuxserver: Received host key, type 'ssh-dss'.
Linuxserver: Host '192.168.2.1' is known and matches the host key.
Linuxserver: Computing shared secret key.
Linuxserver: Verifying server signature.
Linuxserver: Waiting for NEWKEYS message.
Linuxserver: Send NEWKEYS.
Linuxserver: Enabling encryption/MAC/compression.
Linuxserver: Sending request for user-authentication service.
Linuxserver: Service accepted: ssh-userauth.
Linuxserver: Trying empty user-authentication request.
Linuxserver: Authentication methods that can continue: publickey,password.
Linuxserver: Next method to try is publickey.
Linuxserver: Trying pubkey authentication with key file '/root/.ssh/id_rsa'
Linuxserver: Will not query passphrase for '/root/.ssh/id_rsa' in batch mode.
Linuxserver: Loading private key failed.
Linuxserver: Next method to try is password.
Linuxserver: Trying password authentication.
Linuxserver: Will not query passphrase in batch mode.
Linuxserver: Authentication methods that can continue: publickey,password.
Linuxserver: Next method to try is publickey.
Linuxserver: Trying pubkey authentication with key file '/root/.ssh/id_rsa'
Linuxserver: Will not query passphrase for '/root/.ssh/id_rsa' in batch mode.
Linuxserver: Loading private key failed.
Linuxserver: Next method to try is password.
Linuxserver: Trying password authentication.
Linuxserver: Will not query passphrase in batch mode.