When facing unwanted situation like very bad disk situation or some thing else,we may use this command to enter single mode of OpenBSD,

boot> boot -s

Enter that command after boot prompt appear on the first time.

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Natively for validate some text or pattern, I use PHP regex. For this case, to validate IP I use this method

$pattern_ip = ‘/\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.’.
‘(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.’.
‘(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.’.
‘(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b/’;
if ( ! preg_match($pattern_ip,$ip))
{
$error_status = 1;
echo ‘is not valid ip’;
}

But recently I found an easy way in CodeIgniter, something missing from my eyes, I can use input class, the code may [...]

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#change to exact path
$remote = ‘/’;
$c = curl_init(“ftp://$username:$password@ftp.domain.com/$remote”);
$fh = fopen($local, ‘w’) or die($php_errormsg);
curl_setopt($c, CURLOPT_FILE, $fh);
curl_exec($c);
curl_close($c);

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<?php
$c = curl_init('http://www.domain.com/submit.php');
curl_setopt($c, CURLOPT_POST, 1);
curl_setopt($c, CURLOPT_POSTFIELDS, 'name=monkey&code=1000');
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
$page = curl_exec($c);
curl_close($c);
?>

continue reading.....