# Passenger and apache mpm's

**URL:** <https://www.ruby-forum.com/t/passenger-and-apache-mpms/190143>\
**Category:** Rails\
**Created:** [June 17, 2010, 12:47am UTC](https://www.ruby-forum.com/t/passenger-and-apache-mpms/190143 "2010-06-17T00:47:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![steux](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d26b3c/32.png) [@steux](https://www.ruby-forum.com/u/steux)\
**Post date:** [June 17, 2010, 12:47am UTC](https://www.ruby-forum.com/t/passenger-and-apache-mpms/190143/1 "2010-06-17T00:47:40Z")

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Hi!  
Is it safe to run phusion passenger with all apache kinds of MPM?

regards

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**Author:** ![steux](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d26b3c/32.png) [@steux](https://www.ruby-forum.com/u/steux)\
**Post date:** [June 17, 2010, 4:22pm UTC](https://www.ruby-forum.com/t/passenger-and-apache-mpms/190143/2 "2010-06-17T16:22:31Z")

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On Jun 17, 12:47 am, Bruno S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Hi!  
> Is it safe to run phusion passenger with all apache kinds of MPM?

Prefork and Worker are supported.

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**Author:** ![steux](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d26b3c/32.png) [@steux](https://www.ruby-forum.com/u/steux)\
**Post date:** [June 17, 2010, 5:13pm UTC](https://www.ruby-forum.com/t/passenger-and-apache-mpms/190143/3 "2010-06-17T17:13:11Z")

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Thanks for replying Hongli.  
But, even with worker mpm installed, passenger installation asks me to  
install development headers and apxs2 binary for apache2-mpm-prefork.  
Why is that?

Hongli L. wrote:

> On Jun 17, 12:47�am, Bruno S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:
> 
> > Hi!  
> > Is it safe to run phusion passenger with all apache kinds of MPM?
> 
> Prefork and Worker are supported.