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+====== Gentoo Linux: Apache ======
+  * [[Apache]]
+  * [[Apache Worker MPM PHP CGI Suexec Setup]]
+  * [[Gentoo]]
+Running Apache on Gentoo gives you a lot of flexibility.  However, out of the box, there are a lot of modules that are not used in many client configurations.
+==== Modules ====
+The modules that Apache is built with can be set by ''APACHE2_MODULES'' in ''/etc/make.conf''.
+Here is a trimmed down version that removes many unused modules.
+<code>
+APACHE2_MODULES="actions alias auth_basic authn_default auth_digest authn_file authz_default
+authz_host authz_user autoindex cache cgi cgid deflate dir disk_cache env expires file_cache
+filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite
+setenvif status unique_id userdir vhost_alias"
+</code>
+==== MPMS ====
+Gentoo lets you configure the MPM in use.  The most common ones are ''prefork'' and ''worker'', with ''prefork'' being the default.  You can change this in ''make.conf''.
+<code>APACHE2_MPMS="worker"</code>
+==== Optimization ====
+You can build Apache, or any program, with different settings than used by ''make.conf''.  Apache is a good candidate, since it is a primary application in the LAMP stack.
+An optimized version using gcc with highest optimizations:
+<code>mkdir -p /etc/portage/env/www-servers</code>
+Edit ''apache'' file in that directory and add this:
+<code>CFLAGS="-O3 -pipe -march=native"
+CXXFLAGS="${CFLAGS}"</code>

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