HetrixTools incident

Linux Server Monitoring Agent Issues

Resolved after 5 hours 59 minutes, affecting Server Agent Metrics, on November 2, 2025.

identified Nov 02, 2025, 06:00 AM UTC

We’ve identified an issue in our Linux Server Monitoring Agent that occurs when Daylight Saving Time ends (in autumn). If the server where the agent is installed is not configured to use the UTC timezone, the agent will fail to collect metrics during the repeated (backward) hour. This only affects the following versions of our Linux Server Monitoring Agent: 2.3.1 2.3.2 2.3.3 2.3.4 The issue stems from how the agent scheduler uses the server's time to run the agent every one minute; a scheduler that won't fire up when the hour turns backwards. A solution has been implemented for this with version 2.3.5 of our Linux Server Monitoring Agent. You can easily update your agent with the following command: wget -4 -qO- https://raw.githubusercontent.com/hetrixtools/agent/master/hetrixtools_update.sh | sudo bash

Started
Nov 02, 2025, 06:00 AM UTC
Resolved
Nov 02, 2025, 12:00 PM UTC
Duration
5h 59m
Detected by Pingoru
Nov 02, 2025, 06:00 AM UTC

Affected components

Server Agent Metrics

Update timeline

  1. identified Nov 02, 2025, 06:00 AM UTC

    We’ve identified an issue in our Linux Server Monitoring Agent that occurs when Daylight Saving Time ends (in autumn). If the server where the agent is installed is not configured to use the UTC timezone, the agent will fail to collect metrics during the repeated (backward) hour. This only affects the following versions of our Linux Server Monitoring Agent: 2.3.1 2.3.2 2.3.3 2.3.4 The issue stems from how the agent scheduler uses the server's time to run the agent every one minute; a scheduler that won't fire up when the hour turns backwards. A solution has been implemented for this with version 2.3.5 of our Linux Server Monitoring Agent. You can easily update your agent with the following command: wget -4 -qO- https://raw.githubusercontent.com/hetrixtools/agent/master/hetrixtools_update.sh | sudo bash

  2. resolved Nov 02, 2025, 12:00 PM UTC

    This incident has been resolved.

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