Corrections

Page	Description
30	Activate startup scripts on RedHat/Fedora: chkconfig --add nagios chkconfig nagios on
33	RedHat/Fedora: configuration directory for Apache2 is at /etc/httpd/conf.d; you can omit the following configuration parameter: SetHandler cgi-script
36	RedHat/Fedora: only htpasswd is available, there is no htpasswd2
150	download of check_apc: the home page disappeared, you can download check_apc from http://www.nagiosexchange.org/Misc.54.0.html
401	SAP Authorization Objects: S_XMI_LOG is listed twice in the text. Should be: S_RFC, S_XMI_LOG, S_XMI_PROD as in figure 20.3