Works On

Viewing:

Red Hat Enterprise Linux 9 (Plow)

Same on:

CentOS Stream 9

Other versions:

Details

Size: 23 lines
MD5: 39b770d5c3dc6aba1115b52e6ed39afa
SHA256: 6e95279fb9a7ac7de312b1533a4b3241c3555231b45a80005a2bb3d264d2a7f5

/etc/httpd/conf.modules.d/00-mpm.conf

# Select the MPM module which should be used by uncommenting exactly
# one of the following LoadModule lines.  See the httpd.conf(5) man
# page for more information on changing the MPM.

# prefork MPM: Implements a non-threaded, pre-forking web server
# See: http://httpd.apache.org/docs/2.4/mod/prefork.html
#
# NOTE: If enabling prefork, the httpd_graceful_shutdown SELinux
# boolean should be enabled, to allow graceful stop/shutdown.
#
#LoadModule mpm_prefork_module modules/mod_mpm_prefork.so

# worker MPM: Multi-Processing Module implementing a hybrid
# multi-threaded multi-process web server
# See: http://httpd.apache.org/docs/2.4/mod/worker.html
#
#LoadModule mpm_worker_module modules/mod_mpm_worker.so

# event MPM: A variant of the worker MPM with the goal of consuming
# threads only for connections with active processing
# See: http://httpd.apache.org/docs/2.4/mod/event.html
#
LoadModule mpm_event_module modules/mod_mpm_event.so

Copy & Paste

curl:

curl https://exampleconfig.com/api/v1/config/original/39b770d5c3dc6aba1115b52e6ed39afa?hint=00-mpm.conf

wget:

wget -O 00-mpm.conf https://exampleconfig.com/api/v1/config/original/39b770d5c3dc6aba1115b52e6ed39afa?hint=00-mpm.conf

For AI Agents

<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/39b770d5c3dc6aba1115b52e6ed39afa?hint=00-mpm.conf' /><config><app>Apache HTTP Server</app><os>Red Hat Enterprise Linux 9 (Plow)</os><location>/etc/httpd/conf.modules.d/00-mpm.conf</location><lines>23</lines><md5>39b770d5c3dc6aba1115b52e6ed39afa</md5><sha256>6e95279fb9a7ac7de312b1533a4b3241c3555231b45a80005a2bb3d264d2a7f5</sha256></config></prompt>

Paste into Claude, ChatGPT, or any AI assistant.

Install Apache HTTP Server

Alpine Linux

sudo apk add apache2

Debian

sudo apt update && sudo apt install apache2

Red Hat Enterprise Linux

sudo yum install httpd

Ubuntu

sudo apt update && sudo apt install apache2

File Location

File Path

/etc/httpd/conf.modules.d/00-mpm.conf

FAQ

When should I use this 00-mpm.conf?

Use it to restore a missing default, confirm what shipped, or diff against your current Apache HTTP Server config.

How do I restore Apache HTTP Server defaults?

Download the file, back up the current one in /etc/httpd/conf.modules.d/00-mpm.conf, replace it, then reload or restart Apache HTTP Server.

Is 00-mpm.conf safe for production?

It is the vendor default for Red Hat Enterprise Linux 9 (Plow). Treat it as a baseline and review security and performance settings before production use.

How does this differ from other OS versions?

Defaults vary by distro and version. This copy matches Red Hat Enterprise Linux 9 (Plow).

Can I use this for Apache HTTP Server troubleshooting?

Yes. Diff it against yours to find drift, then restore only the sections you need.

Apache HTTP Server /etc/httpd/conf.modules.d/00-mpm.conf