At one company I support we've been using fully Automated Nagios (FAN) for several years now. For some reason the reports and monitoring pages of Centreon have stopped working so I can't get graphs showing behaviors. I can only get the raw monitoring data exported. Email alerts work fine. Basically we can monitor everything normally we just can't do analisis on past performance unless we export all the data to excel.

What may be happening is that the printers are slow to respond to pings and the host alive check is returning a false down because of this. We setup a slow host alive check and use that for these hosts. I think the warn on that check is 5 seconds and crit is 8 seconds. I might understand that if a printer is busy rendering an image, servicing a ping request is not top priority. We don't monitor printers with nagios so I can't say if its normal for a slow ping response or not. 



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Centreon has nagios under the hood, you just can't get to it any more. It hasn't been all berries and cream with Centreon either, but it is workable. I moved away from our 2002 version of GroundWork to Centreon in our office. If you are familiar with nagios then the transition is not bad.

I have a free ebook called Nagios 3 Enterprise Network Monitoring. I am not sure where you can now download this (I got this from www.syngress.com Opens a new window) and it is advertised on the Nagios website (here: http:/ Opens a new window/www.nagios.org/about/propaganda/books). If you PM me your details I'll get a copy of this to you.

And it will not be more than open a browser to the IP address of the machine FAN, we will see that we already have access in the menu on the left to access Nagios, Centreon o Nagvis! The default user will be nagiosadmin with password nagiosadmin, that true change once logued? I hope you help those you want to simplify the deployment of a new monitoring environment based on Nagios, with super-intuitive management interface of Centreon and animated maps with Nagvis!

They were all very interesting PBX systems but in the end my VoIP setup wasn't that big so I deleted them all before getting to the point where I compared them. Instead I migrated from my FritzBox 7390 which was acting as my DECT station and VoIP host to my smaller (and sometimes unreliable but maybe not this time around) Gigaset A510IP. Overall the change would hopefully be more power efficient and fix the issue where it would drop calls after a period of time unless restarted. Interestingly it took a few things to get the Gigaset working. First it blocked anything not on the same network/vlan as itself, I didn't realise this and troubleshooted everything until I found the checkbox under 'Advanced Settings' to turn that off. Next Snort was blocking SIP (a VoIP protocol) but that was taken care of swiftly. Lastly my VoIP account details weren't working but a firmware update fixed that. I love when updates fix stuff. Hopefully Grandma is happier now if it doesnt drop calls again.

Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. It leverages widely used technologies such as XML for data representation, XDR for compact, portable data transport, and RRDtool for data storage and visualization. It uses carefully engineered data structures and algorithms to achieve very low per-node overheads and high concurrency.

In diesem Post werde ich nur kurz auf die Handhabung von Nagvis eingehen. Die Bedienung ist sehr intuitiv. Die im Teil 2 gesammelten Ergebnisse (Windows Server und Client) lassen sich mittels Nagvis innerhalb von Minuten darstellen. Wir gehen nun Schritt fr Schritt vor. Da Nagvis als Webinterface arbeitet, muss man sich zuerst mittels des favorisierten Browser auf der Webseite einloggen. Als Nutzername und Passwort verwendet man nagiosadmin:nagiosadmin.

One of the hardest things with vrops is setting the expectations with management in your company. They seem to think it is a small product and easy to setup and maintain but is is not. I would liken vrops to Microsoft SCOM in size and scope. We have over 1000 hosts and 16k VMs and i alone work on vrops but there is a full team that works on SCOM as that is expected. so i set the scope of vrops out to my manager listing out the benefits and savings and the expectation that i would need to be dedicated to it to make it a success. Lucky for me the listened and now we have 6 separate instances, All our automated deployments rely on vrops and we are moving all our alerting from ITM to vrops for the virtual environment. This was all done by setting out the expectations up front. 006ab0faaa

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