NTP homepage

ntpd man page

ntpq man page

ntpd manual

A good primer on NTP

RFC3164 - syslog RFC

syslogd man page

syslog.conf (syslog configuration file) man page

RFC2131 - DHCP RFC

dhcrelay man page

dhcpd man page

dhcpd.conf (dhcp configuration file) man page

BIND (DNS name server) version 9 manual

Security "hardening" the BIND ver 9 DNS server

How to configure a /etc/resolv.conf file (man page)