________________________________________
From: Peter Ford [EMAIL PROTECTED]
Sent: Tuesday, July 15, 2008 7:28 AM
To: Wei, Alice J.
Cc: php-general@lists.php.net
Subject: Re: [PHP] mkdir permission errors

Wei, Alice J. wrote:
>
> -----Original Message-----
> From: Peter Ford [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 15, 2008 4:06 AM
> To: php-general@lists.php.net
> Subject: Re: [PHP] mkdir permission errors
>
> Wei, Alice J. wrote:
>> Hi, Rob:
>>
>>   I forgot to mention that I have been using yum install.
>>   I have reinstalled the entire thing, put back all the packages, and then I 
>> went to /var and did a chmod -R 777 var, and then did a
>>
>>    [EMAIL PROTECTED] var]# chown -R apache:apache .
>>
>> Interestingly, I do not see anything different, and I still get this error 
>> that says my permission is denied. Here is my
>>
>> [EMAIL PROTECTED] var]#  ps awxu | grep -E 'apache|httpd'
>> root     31547  0.0  0.3  21268  6584 ?        Ss   16:12   0:00 
>> /usr/sbin/httpd
>> apache   31549  0.0  0.2  21400  5572 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31550  0.0  0.2  21400  4908 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31551  0.0  0.2  21400  4908 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31552  0.0  0.2  21400  4896 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31553  0.0  0.2  21268  4860 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31554  0.0  0.2  21268  4860 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31555  0.0  0.2  21268  4860 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> apache   31556  0.0  0.2  21268  4860 ?        S    16:12   0:00 
>> /usr/sbin/httpd
>> root     31708  0.0  0.0   4120   728 pts/1    R+   16:30   0:00 grep -E 
>> apache|httpd
>>
>> Obviously, my last one has already changed the owner to apache 
>> already.Nevertheless, I am still denied even when I am now logged in as 
>> root. Is this anything with firewalls?
>>
>
> Hang on a minute: you're original message said the error was:
>
> Warning: chmod() [function.chmod]: Permission denied in
> /usr/local/apache/htdocs/file_linux.php on line 27
>
> But you say you've re-installed, and done "chmod -R 777 var" and "chown -R
> apache:apache ." in /var
>
> A few things there:
> When you are changing permissions and ownerships on such a large scale, you
> should always use absolute paths to be sure you are doing the right thing - 
> like
> "chmod -R 777 /var" and "chown -R apache:apache /var"
>
> Next, changing permission and ownership recursively on something like /var is
> likely to wreck your system in weird and wonderful ways, and is pretty 
> difficult
> to undo - you might be looking at a total OS reinstall here (once you've 
> solved
> your Apache problems)
>
> Finally, the error message refers to a file in /usr/local/apache/htdocs, but 
> you
> then are changing permissions in /var - where is your web root?! It looks like
> your PHP code has the /usr/local/apache/htdocs path hard-coded, when your web
> files are actually in /var/something...
>
> I forgot to mention that I use Fedora on a Linux machine. I used yum install 
> apache and yum install php to install my packages. Therefore, I don't have a 
> /usr/local/apache/htdocs folder. The web root is now /var/www/html, which 
> originally I do have /usr/local/apache/htdocs that I configured during 
> previous installations. This is not there anymore after my reinstallations 
> since yesterday.
>
> Do I really have to reinstall the entire Fedora? I hate to say that my 
> scripts worked fine BEFORE yesterday until the power went out and nothing 
> went right after I have restarted the entire system.
>
> Alice
>

You don't *have* to reinstall Fedora (yet) - that was just a warning that
changing ownership and permissions on /var might cause some problems later...

So the question is, does the error message say that it cannot change 
permissions on
        /usr/local/apache/htdocs/file_linux.php
or
         /var/www/html/file_linux.php
?

And does your PHP script have the correct path?

The original problem may just have been that the /usr/local file system was
mounted read-only after the power outage (perhaps due to some disk corruption
caused by the failure?). Since then you have reinstalled apache, but possibly
not in the place your PHP script expects it to be. That would be my first thing
to check...

This sounds really dumb, but it turned out that I have some inconsistencies 
going on in my httpd.conf file. Now I have changed both groups to daemon, and 
changed to owners as Rob suggested. Now it is finally working fine. Would I 
still need to change everything back to 0755? Or, should I ask, what is the 
appropriate permission I should be using here?

Alice
--
Peter Ford, Developer                 phone: 01580 893333 fax: 01580 893399
Justcroft International Ltd.                              www.justcroft.com
Justcroft House, High Street, Staplehurst, Kent   TN12 0AH   United Kingdom
Registered in England and Wales: 2297906
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