How to track who/what is sending SIGKILL to a process?
Issue
We are investigating an issue with processes that are suddenly dying, and we have determined that the process receives a SIGKILL signal.
However there is no log message explaining more about the reason of the kill. How can we check who sends kill signal to the process?
Environment
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
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