Explore the latest product updates and best practices at our hybrid Checkmk Conference #12 from June 16-18, 2026 – Register here

Werk #10157: Now using /dev/null instead of closing stdin in all POSIX agents

Component Checks & agents
Title Now using /dev/null instead of closing stdin in all POSIX agents
Date Oct 18, 2019
Level Prominent Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.0.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.6.0p6 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Some programs might not be working when stdin is closed. A more portable approach seems to use /dev/null as stdin.

To the list of all Werks