I search for a secure and well functioning tool to monitor the health of my server cluster. Is there any good tool out there?
Please check here At webprog24.com you will find the most complete article about server monitoring tool.
I personally use Munin. Thats a fantastic tool.
The free software Munin is a tool for monitoring computers in a computer network with status and process visualization. A central computer, the demanding “master”, the performance of the computer processed in the network, the “nodes”, saves these and the data graphically using a web interface. The storage of the measured values helps with the help of RRDtool.
In this way, a visualization of the performance data is obtained, which allows a comparison of the data with the data of other computers and data from the past (usually for a maximum of about 400 days). The data accuracy of the historical values with their age were age, so that the complete database has a constant amount. Because of this data, the data of the last day is available with a resolution of 5 minutes, the data of the last week with a solution of 30 minutes, the data of the last month with a solution of 2 hours and the data of the last year with a solution of one day.
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