Manual steps to take on an EL7 install server:

SELinux

Allow Apache to serve the repo mirrors

semanage fcontext -a -t httpd_sys_content_t  '/var/SL(/.*)?'
semanage fcontext -a -t httpd_sys_content_t  '/var/CentOS(/.*)?'
semanage fcontext -a -t httpd_sys_content_t  '/var/Ubuntu(/.*)?'

Allow Apache to serve files from AFS

setsebool -P httpd_use_nfs on

Allow Apache to run vamos client queries (from cgi scripts)

setsebool -P httpd_can_network_connect on

Apache

systemctl enable httpd

Config in /etc/httpd/config/{SL,CentOS,Ubuntu,msttfonts}.conf.

And a basic /var/www/html/index.html plus background image (SF.jpg).

TFTP server

systemctl enable tftp.socket