PRTG Memory Sensor for Linux and caches/buffers

Modified on 2025-06-10 12:58:33 +0200

We get alerts of low RAM on Linux machines what use heavy caching/buffering apps. The RAM is not really low as the kernel can flush the caches if needed. How can I tweak the probe/sensor to see the real free RAM?

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We have recently tweaked our Linux Meminfo sensors.

Are you using these sensors? Can you re-add them?

Which distro of linux are you using?

Mar, 2018 - Permalink

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The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.

PRTG Memory Sensor for Linux and caches/buffers

Article CommentsAttention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.