Test PHP connection MySQL

• I built the lamp on Linux and I tested Apache + PHP earlier.
• Create a PHP test under the/var/www/html/directory phpinfo.php

[[email protected] ~]# cd/var/www/html///                Enter httpd default Site directory [[email protected] html]# vim phpinfo.php               // Create and edit phpinfo.php<?phpphpinfo ();? >

• Access, see effects

• and tested Php+mysql.
• Create a PHP connection to MySQL test file under the/var/www/html/directory mysql_connect_db.php

[[email protected] html]# vim mysql_connect_db.php          //Create and edit Mysql_connect_db.php<?php$link = mysql_connect (' 192.168.1.190 ', ' root ', ' root '), if (! $link) {die (' Connection failed: '. mysql_error ());} Else{echo ' connection succeeded ';} Mysql_close ($link);? >

• Access, see effects

• Problems encountered and their solutions
• When I write good mysql_connect_db.php save and exit
• Access, see the effect, the following error

• Above error obvious password error

• Another situation
• Access, see the effect, the following error

• Workaround:

[[email protected] ~]# Setenforce 0              //temporarily off SELinux

　　

Test PHP connection MySQL