PHP call Linux command Insufficient permissions problem solving method, phplinux_php tutorial

PHP calls Linux command Insufficient permissions problem solving method, Phplinux

Business background: Yourcmd for my Linux program, it is very strict on permissions, when using PHP to execute yourcmd program

System: CentOS 6.3

Apache is the executing user of PHP

Use the EXEC function to execute a program on a Linux system/usr/local/yourcmd/sbin/yourcmd

The PHP code is as follows:
Copy the Code code as follows:
<?php
$conf _file = "/var/www/html/webroot/test.tmp";
$command = "Sudo/usr/local/yourcmd/sbin/yourcmd-t-f {$conf _file}";
EXEC ($command, $out);
Print_r ($out);

Test result has no permissions
Copy the Code code as follows:
Array ([0] = Sudo:no tty present and no Askpass program specified)

Steps to resolve:
Copy the Code code as follows:
$ visudo

1) Note the following line
Copy the Code code as follows:
#Defaults Requiretty

2) Add the following at the end of the file
Copy the Code code as follows:
Apache All= (All) Nopasswd:all
Cmnd_alias Yourcmd =/usr/local/yourcmd/sbin/yourcmd

Final Test results
Copy the Code code as follows:
Array ([0] = Warning:memory is too small:1044725760 [1] = = Test Configure is OK)

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