shell-exec

I am looking to SSH out via PHP. What is the best/most secure way to go about this? I know I can do: shell_exec("SSH user@host.com mkdir /testing"); Anything better? That feels so 'naughty' :). I would use phpseclib, a pure PHP SSH implementation . An example: <?php include('Net/SSH2.php'); $ssh = new Net_SSH2('www.domain.tld'); if (!$ssh->login('username', 'password')) { exit('Login Failed'); } echo $ssh->exec('pwd'); echo $ssh->exec('ls -la'); ?> Do you have the SSH2 extension available? Docs: http://www.php.net/manual/en/function.ssh2-exec.php $connection = ssh2_connect('shell.example.com',

Is there a list of all the if switches for use in bash scripting? Sometimes I see someone using it and I wonder what the switch they're using actually does. Example is the -z in this one. I know how to use it, but I don't know where it was derived from. if [ -z "$BASH_VERSION" ]; then echo -e "Error: this script requires the BASH shell!" exit 1 fi Any references, guides, posts, answers would be appreciated. SheetJS Look at the bash manpage ( man bash ). The options are specified in the CONDITIONAL EXPRESSIONS section: CONDITIONAL EXPRESSIONS Conditional expressions are used by the [[ compound

I have the following function that I doesn't work so far. I would like to ping an IP address and then to echo whether the IP is alive or not. function pingAddress($ip){ $pingresult = shell_exec("start /b ping $ip -n 1"); $dead = "Request timed out."; $deadoralive = strpos($dead, $pingresult); if ($deadoralive == false){ echo "The IP address, $ip, is dead"; } else { echo "The IP address, $ip, is alive"; } } When I call this function using the example: pingAddress("127.0.0.1") The echo result is always 'dead' - no matter what. Could someone please help me where I'm going wrong? And/OR is there a