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I required to know from experts, how can we run Clam Antivirus (https://www.clamav.net/) and auto scan at a certain time on a Linux machine. I don't know how this will be done, I need to create a crontab, or is there any configuration available with Clam Antivirus?

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You could use a crontab. Personal preference is to write a custom script to be called by cron and execute it so as to write a log file also in the process.

#! /bin/bash
scantime=$(date -u +%H) 
#writes hour of scan, assuming to be run every 6 hours
fileout="$HOME/clamav-$(date -u +'%Hh-%d-%Y').log"

path="/var $HOME/Downloads"

for i in $path; do
    echo "Starting hourly scan of $i
    clamscan -r --bell -i $i >> $fileout
    wait
done

and then add 0 0 0/6 1/1 * ? * /path/to/script to crontab -e. This will run the script every 6 hours.

  • What is clamscan? is it the real name of ClamAV process? I have not installed ClamAV, can you just give me quick shot on steps assisting to install on RHEL or Ubuntu. – Muhammad Hannan Aug 6 '18 at 2:38
  • Please read the official documentation for help with installation. Clamscan is a command line utility that performs a scan. – thatgeeman Aug 6 '18 at 2:52
  • this script should be saved like scanner.sh or just scanner? Or it doesn't matter. – Muhammad Hannan Aug 6 '18 at 3:21
  • Does not matter – thatgeeman Aug 6 '18 at 3:40

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