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I was wondering what would be the best way to monitor multiple EC2 instances, I saw Amazon offers CloudWatch but it costs money! Is there any alternative?

I've heard that Cacti is particularly good,



migration rejected from Jun 24 at 11:56

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closed as off-topic by Falcon Momot, HBruijn Jun 24 at 11:56

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For simple needs, or Pingdom might do. They are easy to set up and offer text message alerts. – SilentSteel Jan 7 '15 at 23:27
up vote 2 down vote accepted

Yes, Basic Monitoring is free now.

Here's the latest news on Free Monitoring for Amazon EC2 Instances from AWS. Basic Monitoring, which is free, provides metrics at 5-minute granularity, as opposed to Detailed Monitoring, which provides metrics at 1-minute granularity at $0.015 per instance-hour.

From Amazon CloudWatch:

Amazon CloudWatch provides free Basic Monitoring for all Amazon EC2 instances. Basic Monitoring provides metrics at 5-minute granularity.

Customers can optionally choose to enable Detailed Monitoring, which provides metrics at one-minute frequency for an additional $0.015 per instance-hour.


You can monitor them the same way you'd monitor physical servers.


If you're in for something free, use Cloudkick! Requires almost no effort to do anything. It's basic, but will get the job done.


If you have a robust application running on multiple servers. I highly advise utilizing New Relic for server monitoring


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