This article applies to PRTG Network Monitor 19 or later

Monitoring AWS Linux Instances with SSH Sensors

To monitor your AWS Linux instances using SSH sensors, you need to take the following steps.

1. Make sure that your Linux instances have a security group configured that allows SSH access via port 22.
   
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2. Create devices in PRTG for each of your EC2 instances using the public IP address of each instance.
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3. Set the Credentials for Linux/Solaris/Mac OS (SSH/WBEM) Systems in the device settings based on your AWS user and private key.
   • The Amazon Linux AMI default user is ec2-user.
   • Generate your private key in OpenSSH RSA format as described in How can I use private keys for my SSH sensors with PRTG?
     
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4. You can now add the following sensors to your devices in PRTG:
   • SSH Disk Free sensor
   • SSH INodes Free sensor
   • SSH Load Average sensor
   • SSH Meminfo sensor
   • SSH Remote Ping sensor (can be used to ping the private IP address of your EC2 instance)

The device with the SSH sensors looks like this:
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More

• AWS Documentation: Connecting to Your Linux Instance Using SSH
• Alternative to SSH sensors: Amazon CloudWatch EC2 sensor