I have a one production server with Ubuntu. (NO firewall). I need simple monitoring tool like gnome System Monitoring. CPU usage, Network traffic, Memory load, HDD space etc. Montly,

I try Nagios but i is so many port use. // Not suitable for me.

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Wait... PRODUCTION server... NO firewall... Man, my workplace may be lax about alot of things, but a firewall is not one of them. Granted, it's the built-in software firewall, but it sure beats no firewall. – Aeo Oct 28 '10 at 15:31
Do I understand that you have a production server with GNOME? – Raphink Oct 28 '10 at 17:05
@aeo. production != public facing. – Sirex Oct 29 '10 at 13:16
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5 Answers

up vote 2 down vote accepted

I often had wished for a simple remote server monitor like Gnome's system monitor. Unable to find one, I decided to write it myself. I posted the code and an executable at http://remote-linux-monitor.googlecode.com/ . I hope you find it helpful.

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The easiest (yet practical) monitoring solution I know is munin. It generates simple HTML pages with graphs and you can set alerts, too.

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Shinken is another alternative, which you may find easier to install and configure than Nagios.

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I'd suggest you look at Xymon. It's a simple (but flexible) monitoring tool that's easy to expand and reports to a central server (which can be itself).

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Cacti.

http://www.cacti.net/ best choice in my case.

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