Server services fail to stop / start with error 'Operation not permitted'

Products

• Carbon Black EDR (formerly Cb Response)

Issue/Introduction

Error during stop

File "/opt/jenkins/build/workspace/build-cbent-signed-docker-staging/code/coreservices/src/cb/utils/exceptions.py", line 70, in decorator 
File "/usr/share/cb/virtualenv/lib/python2.7/site-packages/cb/maintenance/cbstartup/main.py", line 165, in main 
File "/usr/share/cb/virtualenv/lib/python2.7/site-packages/cb/maintenance/cbstartup/main.py", line 111, in run 
File "/opt/jenkins/build/workspace/build-cbent-signed-docker-staging/code/coreservices/src/cb/maintenance/cbstartup/actions/reset_file_permissions.py", line 8, in execute 
File "/opt/jenkins/build/workspace/build-cbent-signed-docker-staging/code/coreservices/src/cb/utils/file_permissions.py", line 89, in reset_permissions 
File "/opt/jenkins/build/workspace/build-cbent-signed-docker-staging/code/coreservices/src/cb/utils/cb_shell.py", line 176, in set_file_access_attrs 
OSError: [Errno 1] Operation not permitted: '/var/cb/file.name'

Environment

• EDR Server: All Versions

Cause

The file mentioned in the error has incorrect permissions

Resolution

1. Adjust permissions of the file to match the other cb related files in the folder
2. Confirm the immutable flag is not set

   • chattr -i file.name

3. Restart server services