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Ralf Hildebrandt
Asked: 2018-03-23 02:47:13 +0800 CST

clamd: When has a signature reload completed?

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One can send SIGUSR2 to a running clamd instance to reload the signatures.

But how can I (from a script) determine, if the signatures have been reloaded? I can of course try "sleep 30" which will suffice in most cases (from my experience) but is there a script based approach apart from trying to parse the logfile?

clamav

1 Answers

  1. Found out:

    #!/bin/bash
echo RELOAD | socat - /var/run/clamav/clamd.ctl
seconds=0
while : ; do
   output=`echo PING | socat - /var/run/clamav/clamd.ctl`
   if [ "$output" == "PONG" ]; then
      break
   fi
   sleep 1
   seconds=$[$seconds+1]
 done
 echo "reloaded after" $seconds "seconds"
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