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Full Discussion: PHP exec to restart mysqld
Top Forums Programming PHP exec to restart mysqld Post 302641851 by noPermissions on Wednesday 16th of May 2012 02:40:35 PM
Old 05-16-2012
PHP exec to restart mysqld

I want to do something very very bad. I want to create a button that restarts mysqld. Why is irrelevant for my issue.

Here is my php script ...
Code:
<?php
if(isset($_POST['restart'])){
       	exec("sudo /etc/init.d/mysqld restart");        
}
?>
<form method="POST">
<input type="submit" name="restart" value="restart">
</form>

On any old server this usually can work. But on my locked down amazon ec2 server it doesn't. I tried putting this in the sudoers file but the button still doesn't restart mysqld.

Code:
Cmnd_Alias RESTART_APACHE = /etc/init.d/httpd restart
apache ALL =NOPASSWD: RESTART_APACHE

Cmnd_Alias RESTART_MYSQL = /etc/init.d/mysqld restart
apache ALL =NOPASSWD: RESTART_MYSQL

I'm stumped, at wits end, maybe someone here knows the solution ?
 

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SAFE_MYSQLD    (1)						     mysql.com							SAFE_MYSQLD    (1)

NAME
safe_mysqld - start the mysqld daemon on Unix. SYNOPSIS
safe_mysqld [--basedir=path] [--core-file-size=#] [--defaults-extra-file=path] [--defaults-file=path] [--open-files=#] [--datadir=path] [--err-log=path] [--ledir=path] [--log=path] [--no-defaults] [--open-files=#] [--pid-file=path] [--port=#] [--socket=path] [--timezone=#] [--user=#] DESCRIPTION
safe_mysqld adds some safety features such as restarting the server when an error occurs and logging run-time information to a log file. --basedir=path --core-file-size=# --defaults-extra-file=path --defaults-file=path --open-files=# Size of the core file mysqld should be able to create. Passed to ulimit -c. --datadir=path --err-log=path --ledir=path Path to mysqld --log=path --no-defaults --open-files=# Number of files mysqld should be able to open. Passed to ulimit -n. --pid-file=path --port=# --socket=path --timezone=# Set the timezone (the TZ) variable to the value of this parameter. --user=# NOTE
Note that all options on the command line to safe_mysqld are passed to mysqld. If you wants to use any options in safe_mysqld that mysqld doesn't support, you must specify these in the option file. SEE ALSO
isamchk (1), isamlog (1), mysqlaccess (1), mysqladmin (1), mysqlbug (1), mysqld (1), mysqldump (1), mysqlshow (1), msql2mysql (1), perror (1), replace (1), safe_mysqld (1), which1 (1), zap (1), AUTHOR
Ver 1.0, distribution 3.23.29a Michael (Monty) Widenius (monty@tcx.se), TCX Datakonsult AB (http://www.tcx.se). This software comes with no warranty. Manual page by L. (Kill-9) Pedersen (kill-9@kill-9.dk), Mercurmedia Data Model Architect / system developer (http://www.mer- curmedia.com) safe_mysqld (mysql) 19 December 2000 SAFE_MYSQLD (1)
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