Daily *Nix

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====== Apache 1.3.x + mod_gzip + sample config ======

==== Installation ====

 It is easy to install but make sure your apache version is up2date just to avoid any errors.\\

First Need to build mod_gzip.
<code bash>
cd /usr/ports/www/mod_gzip
perl -pi -e Makefile 's/APXS=${APXS}/APXS=\/www\/apache\/bin\/apxs/g'
make
make install clean
</code>

 If you receive any google it but i have not received any error in at least 50 times.

==== Configuration ====

Make sure you enabled mod_gzip in httpd.conf.

<code apache | httpd.conf>
LoadModule gzip_module        libexec/mod_gzip.so
</code>

Than enable following variables on your Directory variable.

<code apache | httpd.conf>
mod_gzip_on Yes
mod_gzip_can_negotiate Yes
mod_gzip_static_suffix .gz
AddEncoding gzip .gz
mod_gzip_update_static No
mod_gzip_command_version      '/mod_gzip_status'
mod_gzip_keep_workfiles       No
mod_gzip_maximum_file_size    500000
mod_gzip_maximum_inmem_size   60000
mod_gzip_min_http             1000
mod_gzip_handle_methods        GET POST
mod_gzip_item_include         file       \.html$
mod_gzip_item_exclude         file       \.js$
mod_gzip_item_exclude         file       \.css$
mod_gzip_item_include         file       \.pl$
mod_gzip_item_include         file       \.php$
mod_gzip_item_include         handler    ^cgi-script$
mod_gzip_item_include         mime       ^text/html$
mod_gzip_item_include         mime       ^text/plain$
mod_gzip_item_include         mime       ^httpd/unix-directory$
mod_gzip_item_exclude         mime       ^image/
</code>

==== Testing ====

Now go to following links and test if it works.\\
If not check error_log.


  * [[http://www.microsoft.com/search/tools/ | From Microsoft]]
  * [[http://www.whatsmyip.org/http_compression/ | What is my ip]]

==== Common Errors ====

== Error No.1 ==


<code bash>
[error] mod_gzip: DECHUNK option is OFF in sendfile2
[error] mod_gzip: Cannot compress chunked response for [GET /index.shtml HTTP/1.1]
[error] mod_gzip: ** Uncompressed responses that use 'Transfer-encoding: chunked'
[error] mod_gzip: ** must be 'de-chunked' before they can be compressed.
[error] mod_gzip: ** Turn DECHUNK option ON for this response category.
</code>

**RESOLUTION :**

Add following line to your settings.

<code apache>
mod_gzip_dechunk Yes
</code>

== Error No.2 ==

<code bash>
apxs -Wc,-Wall,-O3,-fomit-frame-pointer,-pipe -c mod_gzip.c mod_gzip_debug.c mod_gzip_compress.c -o mod_gzip.so
 gcc -DLINUX=22 -DHAVE_SET_DUMPABLE -DNO_DBM_REWRITEMAP -DMOD_SSL=208131 -DMOD_PERL -DUSE_PERL_SSI -D_REENTRANT  -DDEBIAN -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DMOD_DEFLATE -DEAPI -DEAPI_MM -O3 -fpic -DSHARED_MODULE -I/usr/local/ServeurWeb_1.3.41/apache_1.3.41/include -Wall,-O3,-fomit-frame-pointer,-pipe  -c mod_gzip.c
 cc1: error: unrecognized command line option "-Wall,-O3,-fomit-frame-pointer,-pipe"
 apxs:Break: Command failed with rc=1
 make: *** [build] Erreur 1
</code>

**RESOLUTION :**

change from :
<code bash | Makefile>
$(APXS) -Wc,-Wall,-O3,-fomit-frame-pointer,-pipe -c mod_gzip.c mod_gzip_debug.c mod_gzip_compress.c -o mod_gzip.so
</code>

to
<code bash | Makefile>
$(APXS) -Wc "-Wall -O3 -fomit-frame-pointer -pipe" -c mod_gzip.c mod_gzip_debug.c mod_gzip_compress.c -o mod_gzip.so
</code>
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