You can start immediately. It is especially suitable for comparing these different monitoring solutions. Note that OpenNMS is written in Java and produces a high load on the system. Starting and Stopping OpenNMS takes a long time (several minutes!).
Squid Block – DNSBL Redirector for the Squid Proxy – dnsbl_redir is a shamelessly derived redirector based on the asqredir redirector written by Thomas Zippo < thomas at zippo dot ch >. Thanks! Its been rewritten to use a DNSBL list (RHS type) to check for and block sites listed in the DNSBL. It will redirect your users to the page/site listed in the top of the dnsbl_redir.h file.
dnsbl_redir is written in C. It consists of one small source file and a small(er) .h file. It has been tested and runs on the current Squid versions. It performs very well on Linux (RedHat/Fedora), BSD and technically should compile and run on any gnu/linux.
These are my links for 28 ago 2011 from 10:48 to 11:35:
SourceForge.net: Integrating iTop with Nagios – itop – This page explains how to integrate iTop and Nagios. Through this integration:<br /> Nagios alarms are turned into Incident tickets in iTop<br /> The details of the Nagios status for a device is visible directly within iTop (as an extra tab on the object)
Scanning for new LUNs on Linux servers – [...] If your servers are connected to a Fibre channel or iSCSI SAN, you probably need to periodically poke your systems to see new storage that is made available to them [...]
Checkpoint HA Nagios monitoring – [...] For a number of reasons I need to be able to know which firewall is the active on in a Checkpoint cluster. I’d like to be notified when the active node switches to the secondary box [...]
Integrating Active Directory and Squid3 – [...] Here’s my third and probably last post on a topic about AD integration and linux. This time around the goal is to have Kerberos authentication integrated with Squid, so that users do not have to be prompted for additional authentication when surfing the web[...]