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Is there a configuration that changes the directory where apache web server temporarily places uploaded files? I have access to httpd/conf.d

I'm on a machine where /tmp is very size constrained and have a requirement to allow file uploads that are larger than the available space on /tmp.

Environment: fedora 18, apache web server 2.4.6-2, passenger and ruby on rails.

EDIT: there's some discussion around the office that it's passenger (because this is a ruby on rails app) not apache that determines the location of the temporary file upload. I'm going under the assumption that it's apache but please correct me if I'm wrong.

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The temporary file location seems to be set by the scripting program that you choose. In PHP, for example, the temporary upload location is set by the upload_temp_dir directive.

upload_temp_dir = /somewhere/else

As far as Ruby on Rails goes, I found this ServerFault question that describes it as a change to the 'tmpdir' property of Rails' initializer object.

class Dir
  def self.tmpdir
    "/your_directory/"
  end
end

To parrot the user who answered this question in the other thread, make sure that the folder you specify is writable by the user for Apache.

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    thanks for the link to that other question as well. It ended up being solved by setting the TMPDIR env variable so I didn't need to monkey patch Dir but you sent me in the right direction. – GSP Oct 11 '13 at 12:21
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FYI the php.ini file says:

; Temporary directory for HTTP uploaded files (will use system default if not
; specified).
; http://php.net/upload-tmp-dir
;upload_tmp_dir =

so its 'tmp' vs 'temp'. This at least worked for me.

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