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PHP-FPM 7.2 on OpenBSD 6.4

nabbisen profile image Heddi Nabbisen Updated on ・2 min read

Summary

PHP-FPM, PHP FastCGI Process Manager, is a part of PHP 7 package in OpenBSD packages nowadays.
So installing PHP (php-7.? due to the version) comes with php7?_fpm automatically 💃
I'll show you how to set it up in this post 😃

Environment
  • OS: OpenBSD 6.4 amd64
  • PHP: 7.2
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Installation

The first step is to install the PHP package:

# pkg_add php
Ambiguous: choose package for php
a       0: <None>
        1: php-5.6.38p0
        2: php-7.0.32p1
        3: php-7.1.22
        4: php-7.2.10
Your choice: 

I choose "4" because of each support term of the PHP versions.

Then these directories/files are made:

$ ls /etc/php*
/etc/php-7.2.ini          /etc/php-fpm.conf

/etc/php-7.2:
server
/etc/php-7.2.sample:
gd.ini       opcache.ini

Well, the .ini files in /etc/php-7.2.sample are PHP extensions.
According to necessity, copy each of them to /etc/php-7.2/ to activate the extensions:

# ln -sf /etc/php-7.2.sample/%target-ini-files% /etc/php-7.2/

Also edit /etc/php-7.2.ini as needed.
For example:

; Maximum allowed size for uploaded files.
; http://php.net/upload-max-filesize
;upload_max_filesize = 2M
upload_max_filesize = 5M

Besides, the manual is also installed as /usr/local/share/doc/pkg-readmes/php-7.2 which declares:

The main OpenBSD php packages include php-fpm, FastCGI Process Manager.
This manages pools of FastCGI processes: starts/restarts them and maintains a minimum and maximum number of spare processes as configured. You can use rcctl(8) to enable php-fpm at boot, and start it at runtime:2

rcctl enable php72_fpm
rcctl start php72_fpm

OK. We're ready.
Let's start daemon:

# rcctl enable php72_fpm
# rcctl start php72_fpm

* Troubleshooting: If you fail to start php72_fpm (or php71_fpm), it might be the known bug:

Usage

Next, we have to prepare a web server.
So let's edit /etc/httpd.conf to add fastcgi socket in SERVERS sections like this:

types {
    include "/usr/share/misc/mime.types"
}

ext_addr="egress"

server "default" {
    listen on $ext_addr port 80

    root "/htdocs"
    directory index index.php

    location "*.php*" {
        fastcgi socket "/run/php-fpm.sock"
    }
}

Please notice chroot works in this context.
Therefore, fastcgi socket "/run/php-fpm.sock" in /etc/httpd.conf actually means fastcgi socket "/var/www/run/php-fpm.sock".
This is the same to that root "/htdocs" means "/var/www/htdocs".

Testing

Let's make /var/www/htdocs/index.php for testing like this:

# echo "<?php phpinfo(); ?>" > /var/www/htdocs/index.php
# # defer: delete it afterwards as needed

Then browsing your host will show you the whole phpinfo!

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Happy serving 💃

Posted on by:

nabbisen profile

Heddi Nabbisen

@nabbisen

An ICT designer/developer and a security monk. "With a cool brain and a warm heart", I am challenging unsolved problems in our society. I use OpenBSD/Rust/etc.

Discussion

markdown guide
 

Hello!
I configured httpd server, index.html is ok. Then I installed php with your manual and i have 500 internal error, when trying index.php to show in browser. What can be wrong?

 

Hello, denkoss. Hmmm... 500 internal error implies several possibility.

httpd -v -v -v -d after stopping the service will show the detail in the console:

# rcctl stop httpd
# httpd -v -v -v -d

Then try index.php with your browser. What is the output?

 

thx for answer.
default 192.168.0.105 - - [28/Mar/2020:17:37:58 +0300] "GET / HTTP/1.1" 500 0
server default, client 5 (1 active), 192.168.0.105:28051 -> 192.168.0.105, No such file or directory (500 Internal Server Error)

Thank you for your testing.
"No such file or directory" seems the answer.
I think it's possibly because of 1. wrong path, 2. permission (missing?) or 3. the effect of chroot.
chroot defaults to under /var/www. For example, fastcgi socket "/run/php-fpm.sock" in httpd.conf means it must be actually in /var/www/run/php-fpm.sock. It's the same to index.php.
Would you have any idea or clue?

  1. Wrong path - which one?
  2. I gave 777 to /var/www/htdocs/ for testing.
  3. yeah, /var/www/htdocs/index.php and /var/www/run/php-fpm.sock

httpd.conf:
ext_ip= ""
server "default" {
listen on $ext_ip port 80
root "/htdocs"
location "
.php" {
fastcgi socket "/run/php-fpm-sock"
}
directory index index.php
}
types {
include "/usr/share/misc/mime.types"
}

I think mistake is stuped, but cannt find it.(

Thanks for the detail.

fastcgi socket "/run/php-fpm-sock"

fastcgi socket "/run/php-fpm.sock" ?

I mean "-sock" should have been ".sock".


Well, empty string, aka your ext_ip, can be listened on. I didn't know it. Interesting.

I mean "-sock" should have been ".sock". - this is my stupid mistake.))now its work.
ext_ip not empty, its *, I dont know why it not showing here.
Thank you so much!

Great. You're welcome.

ext_ip not empty, its *, I dont know why it not showing here.

I've found the reason.
it is recognized with * of location "*.php" { as markdown Italic.