From: Steve F. <SM...@lb...> - 2002-04-29 10:54:50
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Simon, Answers below. Kind regards, Steve Freegard Systems Manager Littlehampton Book Services Ltd. DDI: +44 (0)1903 82 8594 -----Original Message----- From: Simon Green [mailto:si...@ri...] Sent: 29 April 2002 09:57 To: 'nag...@li...' Cc: 'net...@li...' Subject: [Nagios-users] Newbie Would Like help Please Hiya PPL, I was looking at Nagios/Netsaint as a tool for out IT department. >>>>>>>>>> I woul personally recommend Nagios because of the extra features not available in Netsaint, and especially because of the new template configuration file layout is much easier to write and understand. Here is my problem - We have 2 Subnets localy - 192.168.2.xxx/255.255.255.0 & 10.10.xxx.xxx/255.255.0.0. I would like to monitor these to network from the same Nagios box if possible. Does this mean i just need to network cards? >>>>>>>>> This really depends on your network topology - if each subnet can 'see' each other via a router, then no problem - you can put Nagios anywhere, as long as it has network connectivity to the devices you want to monitor (e.g. it can ping them). However if there is no route between the two subnets, then you will need two network cards. I have some 20+ subnets internally, which are all monitored by one Nagios box, the box itself doesn't know who to route to each subnet, but it has a default gateway of a Cisco 3640 router which runs EIGRP and knows all of the current network routes, therefore as the Nagios box uses this as it's default gateway, it can access and monitor any of the machines on the network. I would also like to assign one of our NET IP`s to this BOX. Again is this just a case of adding another network card in and plugging it into out INET backbone? >>>>>>>> Again, this depends on your set-up and firewall. On most firewalls you can use Static-NAT to map external addresses and ports to internal addresses and ports, which is what I do. Alternatly you could add another network card, and place it on your DMZ. In both cases you will need an Internet IP address. The Other problem is that this box would need to be extremly secure. I I would want on it is the secure component for Nagois/Netsaint and a SSL telnet server. Nothing else. What Linux Distro would ppl suggest. >>>>>>>>> Not sure what you mean about the secure component for Nagios. I take it that you mean User Authentication and SSL access to Nagios only? and by SSL telnet server you mean SSH? I personally use RedHat 7.2 with only Apache, Nagios and SSH running on it. You can download RedHat 7.2 in ISO from from their website, or head over to www.linuxemporium.co.uk to get it on a cheap CD. Also what Core Components would i need to install for Nagios/Netsaint to run and where could i download these? >>>>>>>>> To compile and run Nagios you need GCC (the GNU C Compiler), Apache (web server) and the GD library which are all included on the RedHat CD. You also need to download and install the netsaint plugins - see http://netsaintplug.sourceforge.net/ for these. Is it possible for Nagios/Netsaint to monitor such things as proxy server bandwith? >>>>>>>>> That depends - if your proxy supports SNMP you could install MRTG (www.mrtg.org) and use the check_mrtg plugin to check the thresholds that you set. You'll need to look at how you monitor your proxy with MRTG first though - have a look at the website, and check the newsgroups to see if someone has already posted a way to do this. Sorry for all the questions >>>>>>>>> That's okay -- that what the mailing list is here for! - seriously though before posting, always check the documentation at www.nagios.org/docs/1_0/ as nobody on the list likes answering questions that can be found easily in the good docs available for nagios. I would also suggest that if you aren't too familiar with Linux that you have a look at www.linuxdoc.org at some of the howto's to help you install the system and keep it running properly. Best Regards Simon Green IT Support Department J R Rix & Son`s Limited The information transmitted is intended only for the person or entity to which it is Addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. 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