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- Increase the log to debug
Checkin the cmc.log (as site user)
Code Block language bash theme RDark grep -e <IP> -e <HOSTNAME> ~/var/log/cmc.log | grep -e "smartping timeout" -e "received p"
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Please replace host_name = Myhost with the affected Checkmk Hosts
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|---|---|---|---|---|
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OMD[mysite]:~$ lq "GET hosts\nColumns: host_name check_interval retry_interval smartping_timeout max_check_attempts state state_type\nFilter: host_name = <Myhost>" |
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Debugging the smart ping via cli
For using To use this command, you have to must create (as a site user) a file dump.py in ~/local/bin. The file should look like this: Debugging of smart ping
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OMD[workshopmysite]:~/local/bin$ ~/lib/cmc/icmpreceiver |python3 ~/local/bin/dump.py |grep --line-buffered "127.0.0.1" |perl -pe 'use POSIX strftime; print strftime "[%Y-%m-%d %H:%M:%S] ", localtime' |
or you can use the command with the dump.py
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OMD[mysite]:~$ ~/lib/cmc/icmpreceiver |python3 /local/bin/dump.py |grep --line-buffered "127.0.0.1" |ts -i |
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the content of ./dump.py
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|---|---|---|---|---|
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#!/usr/bin/env python3
import ipaddress
import sys
def main() -> None:
while True:
addr = ipaddress.ip_address(sys.stdin.buffer.read(4))
sys.stdout.write(f"{addr!s}\n")
sys.stdout.flush()
if __name__ == "__main__":
main() |
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You can use this online instead of the ./dump.py:
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~/lib/cmc/icmpreceiver | perl -ne 'map { CORE::say join "." => unpack "CCCC", pack "L", $_ } unpack "L*";' |
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