This is the default example configuration of cache_disk.conf provided by Apache. This config file was generated by Apache running on Debian 8.
It is located under: /etc/apache2/mods-available/cache_disk.conf
<IfModule mod_cache_disk.c>
# cache cleaning is done by htcacheclean, which can be configured in
# /etc/default/apache2
#
# For further information, see the comments in that file,
# /usr/share/doc/apache2/README.Debian, and the htcacheclean(8)
# man page.
# This path must be the same as the one in /etc/default/apache2
CacheRoot /var/cache/apache2/mod_cache_disk
# This will also cache local documents. It usually makes more sense to
# put this into the configuration for just one virtual host.
#CacheEnable disk /
# The result of CacheDirLevels * CacheDirLength must not be higher than
# 20. Moreover, pay attention on file system limits. Some file systems
# do not support more than a certain number of inodes and
# subdirectories (e.g. 32000 for ext3)
CacheDirLevels 2
CacheDirLength 1
</IfModule>
# vim: syntax=apache ts=4 sw=4 sts=4 sr noet
Download the raw file with wget or curl
wget -O cache_disk.conf.example http://exampleconfig.com/static/raw/apache/debian8/etc/apache2/mods-available/cache_disk.conf
curl http://exampleconfig.com/static/raw/apache/debian8/etc/apache2/mods-available/cache_disk.conf > cache_disk.conf.example
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