First, to include code in your posts use <code>your code here</code>, there is a backslash in the closing tag!

Regarding your original question, wrap the code that can fail inside eval:

eval {
  my $ssh = Net::SSH::Perl->new($host);
  $ssh->login($user, $pass);
  my ($LS_OUT, $LS_ERR, $LS_EXIT) = $ssh->cmd('ls -la');
};
$@ and print "SSH failed: $@";

print "This is END where i want to see\n"
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