WHM and cPanel backend files
Apache
/usr/local/apache/
bin- apache binaries are stored here – httpd, apachectl, apxs
/usr/local/apache/conf – configuration files – httpd.conf
/usr/local/apache/cgi-bin
/usr/local/apache/domlogs – domain log files are stored here
/usr/local/apache/htdocs
/usr/local/apache/include -header files
/usr/local/apache/libexec – shared object (.so) files are stored here – libphp4.so,mod_rewrite.so
/usr/local/apache/logs – apache logs – access_log, error_log, suexec_log
/usr/local/apache/man – apache manual pages
/usr/local/apache/proxy –
/usr/local/apache/icons –
Cpanel script to restart apache – /scripts/restartsrv_httpd
Start httpd with ssl – /etc/init.d/httpd startssl
Exim
/etc/exim.conf – exim main configuration file
/etc/localdomains – list of domains allowed to relay mail
/var/log/exim_mainlog – incoming/outgoing mails are logged here
/var/log/exim_rejectlog – exim rejected mails are reported here
/var/log/exim_paniclog – exim errors are logged here
Mail queue: /var/spool/exim/input
Cpanel script to restart exim – /scripts/restartsrv_exim
Email forwarders and catchall address file – /etc/valiases/linuxpcfix.com
Email filters file – /etc/vfilters/linuxpcfix.com
POP user authentication file – /home/username/etc/domainname/passwd
catchall inbox – /home/username/mail/inbox
POP user inbox – /home/username/mail/domainname/popusername/inbox
POP user spambox – /home/username/mail/domainname/popusername/spam
Program : /usr/sbin/exim (suid – -rwsr-xr-x 1 root root )
Init Script: /etc/rc.d/init.d/exim
DNS – Named(Bind)
Program: /usr/sbin/named
Init Script: /etc/rc.d/init.d/named
/etc/named.conf
db records:/var/named/
/var/log/messages
Mysql
Program : /usr/bin/mysql
Init Script : /etc/rc.d/init.d/mysql
Conf : /etc/my.cnf, /root/.my.cnf
Data directory – /var/lib/mysql – Where all databases are stored.
Database naming convention – username_dbname (eg: john_sales)
Permissions on databases – drwx 2 mysql mysql
Socket file – /var/lib/mysql/mysql.sock, /tmp/ mysql.sock
SSHD
Program :/usr/local/sbin/sshd
Init Script :/etc/rc.d/init.d/sshd
/etc/ssh/sshd_config
Log: /var/log/messages
ProFTPD
Program :/usr/sbin/proftpd
Init Script :/etc/rc.d/init.d/proftpd
Conf: /etc/proftpd.conf
Log: /var/log/messages, /var/log/xferlog
FTP accounts file – /etc/proftpd/username – all ftp accounts for the domain are listed here
Pure-FTPD
Program : /usr/sbin/pure-ftpd
Init Script :/etc/rc.d/init.d/pure-ftpd
Conf: /etc/pure-ftpd.conf
Anonymous ftp document root – /etc/pure-ftpd/ip-address
Cpanel
/usr/local/cpanel
/usr/local/cpanel /3rdparty/ – tools like fantastico, mailman files are located here
/usr/local/cpanel /addons/ – AdvancedGuestBook, phpBB etc
/usr/local/cpanel /base/ – phpmyadmin, squirrelmail, skins, webmail etc
/usr/local/cpanel /bin/ – cpanel binaries
/usr/local/cpanel /cgi-sys/ – cgi files like cgiemail, formmail.cgi, formmail.pl etc
/usr/local/cpanel /logs/ – cpanel access log and error log
/usr/local/cpanel /whostmgr/ – whm related files
/var/cpanel/domain_keys/ – domains public/private keys
WHM
/var/cpanel/ – whm files
/var/cpanel/ bandwidth/ – rrd files of domains
/var/cpanel/username.accts – reseller accounts are listed in this files
/var/cpanel/packages – hosting packages are listed here
/var/cpanel/root.accts – root owned domains are listed here
/var/cpanel/suspended – suspended accounts are listed here
/var/cpanel/users/ – cpanel user file – theme, bwlimit, addon, parked, sub-domains all are listed in this files
/var/cpanel/zonetemplates/ – dns zone template files are taken from here
Important cpanel/whm files
/usr/local/apache/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/cpbackup-userskip.conf –
/etc/sysconfig/network – Networking Setup*
/etc/hosts –
/var/spool/exim –
/var/spool/cron –
/etc/resolv.conf – Networking Setup–> Resolver Configuration
/etc/nameserverips – Networking Setup–> Nameserver IPs ( FOr resellers togive their nameservers )
/var/cpanel/resellers – For addpkg, etc permissions for resellers.
/etc/chkserv.d – Main >> Service Configuration >> Service Manager *
/var/run/chkservd – Main >> Server Status >> Service Status *
/var/log/dcpumon – top log process
/root/cpanel3-skel – skel directory. Eg: public_ftp, public_html. (AccountFunctions–>Skeleton Directory )*
/etc/wwwacct.conf – account creation defaults file in WHM (Basic cPanel/WHMSetup)*
/etc/cpupdate.conf – Update Config *
/etc/cpbackup.conf – Configure Backup*
/etc/clamav.conf – clamav (antivirus configuration file )
/etc/my.cnf – mysql configuration file
/usr/local/Zend/etc/php.ini OR /usr/local/lib/php.ini – php configuration file
/etc/ips – ip addresses on the server (except the shared ip) (IP Functions–>Show IP Address Usage )*
/etc/ipaddrpool – ip addresses which are free
/etc/ips.dnsmaster – name server ips
/var/cpanel/Counters – To get the counter of each users.
/var/cpanel/bandwidth – To get bandwith usage of domains
/var/cpanel/mainip – WHM main IP address
cPanel/WHM scripts
/scripts/fixquotas fixes quota problems
/scripts/fullhordereset resets horde database to a fresh one – all previous user data are lost
/scripts/initquotas initializes quotas
/scripts/installzendopt installs zend optimizer
/scripts/killacct terminate an account – make sure you take a backup of the account first
/scripts/mailperm fixes permission problems with inboxes
/scripts/park to park a domain
/scripts/pkgacct used to backup an account
/scripts/restartsrv restart script for services
/scripts/restorepkg restores an account from a backup file ( pkgacct file)
/scripts/runlogsnow update logs of all users
/scripts/runweblogs update stats for a particular user
/scripts/securetmp secures /tmp partition with options nosuexec and nosuid
/scripts/suspendacct suspends an account
/scripts/unsuspendacct unsuspends a suspended account
/scripts/upcp updates cpanel to the latest version
/scripts/updatenow updates the cpanel scripts
/scripts/updateuserdomains updates userdomain entries
/scripts/addns :add a dns zone
/scripts/addfpmail :Add frontpage mail extensions to all domains without them
/scripts/addfpmail2 : Add frontpage mail extensions to all domains without them
/scripts/addnobodygrp :Adds the gorup nobody and activates security
/scripts/addpop :add a pop account
/scripts/addservlets :Add JSP support to an account (requires )
/scripts/addstatus : Internal use never called by user
/scripts/adduser : Ad a user to the system
/scripts/bandwidth : Bandwidth
/scripts/betaexim :Installs the latest version of exim
/scripts/biglogcheck :looks for logs nearing 2 gigabytes in size
/scripts/bsdcryptoinstall :Installs crypto on FreeBSD
/scripts/bsdldconfig : Configures the proper lib directories in FreeBSD
/scripts/bsdpkgpingtest :Tests the connection speed for downloading FreeBSD packages
/scripts/buildbsdexpect : Install expect on FreeBSD
/scripts/builddomainaddr : build domain address
/scripts/buildeximconf :Rebuilds exim.conf
/scripts/buildpostgrebsd-dev Installs postgresql on FreeBSD.
/scripts/chcpass change cpanel passwords
/scripts/easyapache recompile/upgrade apache and/or php
/scripts/exim4 reinstall exim and fix permissions
/scripts/fixcommonproblems fixes most common problems
/scripts/fixfrontpageperm fixes permission issues with Front Page
/scripts/fixmailman fixes common mailman issues
/scripts/fixnamed fixes common named issues
/scripts/fixndc fixes rndc errors with named