Apache2 is configured by placing directives in plain text configuration files. These directives are
separated between the following files and directories:
• apache2.conf: the main Apache2 configuration file. Contains settings that are global to Apache2.
• conf.d: contains configuration files which apply globally to Apache2. Other packages that use
Apache2 to serve content may add files, or symlinks, to this directory.
• envvars: file where Apache2 environment variables are set.
• httpd.conf: historically the main Apache2 configuration file, named after the httpd daemon. The file
can be used for user specific configuration options that globally effect Apache2.
• mods-available: this directory contains configuration files to both load modules and configure
them. Not all modules will have specific configuration files, however.
• mods-enabled: holds symlinks to the files in /etc/apache2/mods-available. When a module
configuration file is symlinked it will be enabled the next time apache2 is restarted.
• ports.conf: houses the directives that determine which TCP ports Apache2 is listening on.
• sites-available: this directory has configuration files for Apache2 Virtual Hosts. Virtual Hosts
allow Apache2 to be configured for multiple sites that have separate configurations.
• sites-enabled: like mods-enabled, sites-enabled contains symlinks to the /etc/apache2/sites-
available directory. Similarly when a configuration file in sites-available is symlinked, the site
configured by it will be active once Apache2 is restarted.
In addition, other configuration files may be added using the Include directive, and wildcards can be
used to include many configuration files. Any directive may be placed in any of these configuration
files. Changes to the main configuration files are only recognized by Apache2 when it is started or
restarted.
The server also reads a file containing mime document types; the filename is set by the TypesConfig
directive, and is /etc/mime.types by default.
separated between the following files and directories:
• apache2.conf: the main Apache2 configuration file. Contains settings that are global to Apache2.
• conf.d: contains configuration files which apply globally to Apache2. Other packages that use
Apache2 to serve content may add files, or symlinks, to this directory.
• envvars: file where Apache2 environment variables are set.
• httpd.conf: historically the main Apache2 configuration file, named after the httpd daemon. The file
can be used for user specific configuration options that globally effect Apache2.
• mods-available: this directory contains configuration files to both load modules and configure
them. Not all modules will have specific configuration files, however.
• mods-enabled: holds symlinks to the files in /etc/apache2/mods-available. When a module
configuration file is symlinked it will be enabled the next time apache2 is restarted.
• ports.conf: houses the directives that determine which TCP ports Apache2 is listening on.
• sites-available: this directory has configuration files for Apache2 Virtual Hosts. Virtual Hosts
allow Apache2 to be configured for multiple sites that have separate configurations.
• sites-enabled: like mods-enabled, sites-enabled contains symlinks to the /etc/apache2/sites-
available directory. Similarly when a configuration file in sites-available is symlinked, the site
configured by it will be active once Apache2 is restarted.
In addition, other configuration files may be added using the Include directive, and wildcards can be
used to include many configuration files. Any directive may be placed in any of these configuration
files. Changes to the main configuration files are only recognized by Apache2 when it is started or
restarted.
The server also reads a file containing mime document types; the filename is set by the TypesConfig
directive, and is /etc/mime.types by default.
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