change index for apache default

Question

http://httpd.apache.org/docs/2.4/mod/mod_autoindex.html

https://stackoverflow.com/questions/19322345/how-do-i-change-the-default-index-page-in-apache?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa

https://askubuntu.com/questions/544197/how-to-change-the-index-of-template?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa

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