108

Is there a command that list all enabled Apache modules?

161

To list apache loaded modules use:

apachectl -M

or:

apachectl -t -D DUMP_MODULES 

or on RHEL,CentoS, Fedora:

httpd -M

For more options man apachectl. All these answers can be found just by little google search.

| improve this answer | |
  • 3
    -M will also work. – Andrew B Feb 4 '13 at 12:07
  • 25
    I love this comment about google search (found this answer via google) – Pawelmhm Sep 25 '13 at 19:41
  • The use of server-info is harder to find via google and gives much more details && the ability to give access to the information to people who don't have shell access (eg client, web developpers, project managers, ...) – user130370 Nov 6 '13 at 12:44
  • man apachectl on Ubuntu 20.04 does not include this option (or others), but the command still works. The man page isn't that helpful here – Rory Nov 18 at 12:15
10

Also you can use server-info to get info from remote servers

<Location /server-info>
   SetHandler server-info
   Order allow,deny
   Allow from 127.0.0.1 xxx.xxx.xxx.xxx
</Location>

You can get list of all enabled Apache modules at http://your.host.example.com/server-info?list

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7

You need to enable the info module:

sudo a2enmod info.load
sudo a2enmod info.conf
sudo service apache2 restart

After restart:

http://localhost/server-info

will provide a long list of modules, and configuration info.

To view from remote servers, you can change the 'Requires' option in /etc/apache2/mods-available/info.conf to allow remote servers to view info.

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  • 1
    Why not use the a2enmod command to enable an {installed} module, instead of "symlinking" it manually? – Flo Schild Jun 8 '15 at 8:37
  • Yes a2enmod is more correct. When I'm editing configs I usually stay with the files and don't think of the specialty commands that I rarely use. – rickfoosusa Jun 9 '15 at 14:02
  • Okay, it works both ways anyway, in 2.4 (maybe already earlier also?) you also have the a2enconf to symlink files from "conf-available" directory to "conf-enabled" :) – Flo Schild Jun 9 '15 at 14:19
3

This works also:

apache2ctl -M
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0

The above answers are old and no longer work for my modern Fedora Server 31 / 32 and Apache 2.4.

Here's what does:

httpd -t -D DUMP_MODULES

But, there is a caveat that this will only work if you have an appropriately configured /etc/httpd/conf/httpd.conf, so if you're in the middle of editing to set LogLevel, it won't work if your edits are in-progress and not valid!

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