Werk #16576: Fix startup during system boot

Component

DEB packaging

Title

Fix startup during system boot

Date

Mar 31, 2025

Level

Prominent Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.5.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0b3	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p31	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p42	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Since the changes in werk #16571, the startup of 2.4.0b* sites during the startup of the operating system did not work as intended. This change fixes the detection of the systemd environment which makes the package installation deploy and enable the systemd unit omd.service again.

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