There are a few scripts available on net which allow you to change a linux user password from PHP. but all of them are very complex and hard to implement , so after some hours of work , I’ve written this PHP script 
it is very simple , in order for this to work you need to allow your webserver to run sed command as root through sudoers , or allow your webserver to write on your /etc/shadow file.
1 2 3 4 5 6 7 | $username='USERNAME';$password='PASSWORD'; // New Password$sed='/bin/sed'; //Path to sed command$salt = substr($username, 0, 2);$pass_crypt = crypt($password, $salt);$pass_crypt=str_replace("/","\/",$pass_crypt);system($sed." -i 's/".$username.":[a-zA-z0-9/$\.]*/".$username.":".$pass_crypt."/g' /etc/shadow",$retval); |