php测试文件如下:
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<?php
$con = mysql_connect( "localhost" , "root" , "zengjie2" );
if (!$con)
{
die( 'Could not connect: ' . mysql_error());
}
else
{
echo "ok" ;
}
?>
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访问后提示:
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Warning: mysql_connect(): No such file or directory in /usr/local/nginx/html/mysql.php on line 3
Could not connect: No such file or directory
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解决方法:
登陆mysql
输入status,输出如下
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Connection id: 4
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.1 . 73 Source distribution
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: latin1
Db characterset: latin1
Client characterset: latin1
Conn. characterset: latin1
UNIX socket: / var /lib/mysql/mysql.sock
Uptime: 14 min 29 sec
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记下UNIX socket路径 /var/lib/mysql/mysql.sock
查看/tmp/mysql.sock,不存在这个文件,那么建个Link
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cd /tmp
ln -s / var /lib/mysql/mysql.sock mysql.sock
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重新访问php文件,成功连接。
以上是一种情况,另外一种情况: 存在/tmp/mysql.sock 但是不存在 /var/lib/mysql/mysql.sock
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cd / var /lib
mkdir mysql
cd mysql
ln -s /tmp/mysql.sock mysql.sock
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