Configure ACLs in Linux

I came across a need to make files in a folder inherit certain permissions no matter who creates them. Thanks to Stack Overflow for help in figuring this out.
You first set a sticky bit for the parent folder, then use the setfacl command to set the ACL:
chmod g+s -R <folder>
setfacl -d -m "g:<group name>:<permissions>" -R <directory>
Example:
Grants all members of group testgrouprw read,write, and directory permissions to /var/www/html/wordpress:
setfacl -d -m "g:testgrouprw:rwX" -R /var/www/html/wordpress/
Sources:

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