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and maybe because you use an old Distro you don't have Systemd to try to monitor status. Make sure that a corresponding public key exists on the target device.You can't monitor service SysV /etc/init.d/ but you could monitor status of Systemd service but not in SNMP. Once you have pasted in and saved the private key, PRTG shows it as Lines, into the designated text field in PRTG and Save your settings. When you provide an unencrypted RSA private key in OpenSSH RSA format, copy the entire key, including the The key must be provided as an RSA key, you cannot use DSA keys.PRTG does not support password-protected keys. When you use a private key, ensure the following: PRTG supports authentication via password or via private key. Also, only certain macOS systems are supported.įor a list of successfully tested distributions, see the Knowledge Base: Which Linux or macOS distributions are supported by the Linux/Unix sensors (SSH, SNMP)? With each scanning interval, PRTG logs in to your devices and queries data by executing specific commands.įor an overview and details about all SSH sensors, see section List of Available Sensor Types.įor a list of encryption algorithms that the SSH sensors support, see the Knowledge Base: Which encryption algorithms do PRTG SSH sensors support?īecause of the plurality of Linux/Unix derivatives, SSH sensors cannot support all distributions on the market. The sensors then inherit these settings by default. If you use SSH sensors, you can enter the necessary credentials in the settings of the parent device or group, or in the root group, in the Credentials for Linux/Solaris/macOS (SSH/WBEM) Systems section.

To monitor remote machines via SSH, PRTG needs the credentials (preferably root access) of the devices.

If your system is supported, this monitoring technology works without any additional software on the target systems. Monitoring via Secure Shell (SSH) enables you to gather performance and system data from many Linux and Unix distributions, as well as from certain macOS X systems.