not special, but if you are using PHP >= 7.X you need to rewrite some functions, look at this post: https://forums.alliedmods.net/showth...=284078&page=2
PHP 7.X doesn't support old mysql. You can try downgrade to PHP 5.6 or use fix in the post above.
Daemon - you need to install some Perl modules - enable debug and check log file.
- MySQL DBI // DBD
- Geo-IP PurePerl