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| + | ====== CentOS: Apache Optimization ====== | ||
| + | |||
| + | * [[Apache]] | ||
| + | * [[Apache Tuning]] | ||
| + | * [[CentOS]] | ||
| + | * [[CentOS Apache]] | ||
| + | |||
| + | ==== Modules ==== | ||
| + | |||
| + | You can remove certain Apache modules from loading simply by editing ''httpd.conf'' and commenting out the unwanted modules starting with the ''LoadModule'' directive, and then restarting Apache. | ||
| + | |||
| + | Some common modules to disable that are rarely used, include: | ||
| + | |||
| + | * mod_autn_anon | ||
| + | * mod_authn_dbm | ||
| + | * mod_authz_owner | ||
| + | * mod_authz_groupfile | ||
| + | * mod_authz_dbm | ||
| + | * mod_ldap | ||
| + | * mod_authnz_ldap | ||
| + | * mod_usertrack | ||
| + | * mod_dav | ||
| + | * mod_dav_fs | ||
| + | * mod_actions (CGI support) | ||
| + | * mod_speling | ||
| + | * mod_proxy | ||
| + | * mod_proxy_balancer | ||
| + | * mod_proxy_ftp | ||
| + | * mod_proxy_http | ||
| + | * mod_proxy_connect | ||
| + | * mod_cgi (CGI support) | ||
| + | |||
| + | ==== Features ==== | ||
| + | |||
| + | CentOS ships with a lot of features enabled by default that are probably not necessary. | ||
| + | |||
| + | == Documentation Manual == | ||
| + | |||
| + | Apache will show the server documentation by default at the ''/manual'' URL of the server. You can remove this simply by deleting the ''manual.conf'' file and restarting apache. | ||
| + | |||
| + | <code> | ||
| + | rm -fv /etc/httpd/conf.d/manual.conf | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | == AJP Proxy == | ||
| + | |||
| + | * [[http://httpd.apache.org/docs/2.2/mod/mod_proxy_ajp.html|mod_proxy_ajp]] | ||
| + | |||
| + | Proxy module for AJP backend servers (such as Tomcat). The module is loaded by default. | ||
| + | |||
| + | <code> | ||
| + | rm -fv /etc/httpd/conf.d/proxy_ajp.conf | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | == Perl == | ||
| + | |||
| + | Mod_perl incorporates a Perl interpreter into the Apache web server, so that the Apache web server can directly execute Perl code. | ||
| + | |||
| + | <code> | ||
| + | rm -fv /etc/httpd/conf.d/perl.conf | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | == Python == | ||
| + | |||
| + | Mod_python is a module that embeds the Python language interpreter within the server, allowing Apache handlers to be written in Python. | ||
| + | |||
| + | <code> | ||
| + | rm -fv /etc/httpd/conf.d/python.conf | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | == Squid == | ||
| + | |||
| + | Squid is installed by default, and you can remove the package from CentOS directly, or just remove the configuration file. | ||
| + | |||
| + | <code> | ||
| + | yum -y remove squid | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | Uninstalling squid will remove the squid.conf as well. Or you can do it manually. Either way, be sure to restart the web server. | ||
| + | |||
| + | <code> | ||
| + | rm -fv /etc/httpd/conf.d/squid.conf | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | == Webalizer == | ||
| + | |||
| + | Webalizer is also installed by default, and you can remove the package from CentOS directly, or just remove the configuration file. | ||
| + | |||
| + | <code> | ||
| + | yum -y remove webalizer | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
| + | |||
| + | Uninstalling squid will remove the webalizer.conf as well. Or you can do it manually. Either way, be sure to restart the web server. | ||
| + | |||
| + | <code> | ||
| + | rm -fv /etc/httpd/conf.d/webalizer.conf | ||
| + | /etc/init.d/httpd restart | ||
| + | </code> | ||
