rsyslogd manual page — Type man rsyslogd to learn more about rsyslogd and its many options.

rsyslog.conf manual page — Type man rsyslog.conf to learn more about the /etc/rsyslog.conf configuration file and its many options.

/usr/share/doc/rsyslog-<version-number> — After installing the rsyslog package, this directory contains extensive documentation in the html format.

logrotate manual page — Type man logrotate to learn more about logrotate and its many options.