Unknown systemd files showing up /run/credentials post patch installation

Products

• CA API Gateway

Issue/Introduction

If you recently installed a monthly platform patch for example: Layer7_API_PlatformUpdate_64bit_v11.1-Debian-2024-09-24 in your environment.

You may see there are below files getting generated  in directory : /run/credentials

systemd-sysctl.service

systemd-sysusers.service  

systemd-tmpfiles-setup-dev.service

systemd-tmpfiles-setup.service

Though you may not have these files on a machines where the patch has not been installed.

 

Environment

api gateway 11.x

Cause

These files are created for ramfs mountpoints for systemd OS service. 

To understand more about these files you can simply review the man pages on systemd which should have a Credentials section.

Resolution

These are OS related files which should not be removed or altered they should be left as is.