The cPanel operations can be performed from the back-end/Terminal and some of the important files and their details are pasted below.
WHM related files
/etc/httpd/conf/httpd.conf --- apache configuration file /etc/exim.conf --- mail server configuration file /etc/named.conf --- name server (named) configuration file /etc/proftpd.conf --- proftpd server configuration file /etc/pure-ftpd.conf --- pure-ftpd server configuration file
/etc/valiases/domainname –catchall and forwarders are set here
/etc/vfilters/domainname –email filters are set here
/etc/userdomains –all domains are listed here – addons, parked,subdomains
along with their usernames
/etc/localdomains –exim related file – all domains should be listed here to
be able to send mails
/var/cpanel/users/username –cpanel user file
/var/cpanel/cpanel.config –cpanel configuration file ( Tweak Settings )*
/etc/sysconfig/network –Networking Setup*
/etc/resolv.conf –Resolver Configuration
/etc/nameserverips –Nameserver IPs
/var/cpanel/resellers –For addpkg, etc permissions to re-sellers.
/etc/chkserv.d Main >> Service Configuration >> Service Manager