![]() it failed to execute the freshclam daemon. When I was testing this, the timer never worked i.e. The existing rvice is configured to start as a daemon in the foreground. # cat /etc/systemd/system/clamav-freshclam.timer So I decided to create my own systemd timer unit file /etc/systemd/system/clamav-freshclam.timer with below content. Similarly in systemd we should have an equivalent clamav-freshclam.timer file for rvice but this was missing from my node. With cron we had a timer which was configured to perform the auto-update. You can find more details in this Red Hat Bugzilla where the developer seems to have done this intentionally so moving forward in RHEL/CentOS we can expect to only see the service unit file.īut this service unit file with CentOS 8 is not well developed to handle the auto-update of the ClamAV database.ĪLSO READ: Wordlist Generator using Crunch So if /etc/cron.d/clamav-freshclam exists then user cannot start this daemon. We have a condition # If user wants it run from cron, don't start the daemon. # If user wants it run from cron, don't start the daemon.ĬonditionPathExists=!/etc/cron.d/clamav-freshclamĮxecStart=/usr/bin/freshclam -d -foreground=true If you check the content of this service unit file ĭescription=ClamAV virus database updaterĭocumentation=man:freshclam(1) man:nf(5) It is possible with CentOS 8, the developer wants us to use /usr/lib/systemd/system/rvice to handle auto updates of freshclam database. ![]() You can change the default time to check for updates if you like, but you'll also need to change the setting in the /etc/sysconfig/freshclam file. The */3 in the second column from the left indicates that ClamAV will check for updates every 3 hours. # It is ok to execute it as root freshclam drops privileges and becomesĠ */3 * * * root /usr/share/clamav/freshclam-sleep With 7.x86_64 I could find a cron job file which is responsible for performing periodic update to the freshclam database # cat /etc/cron.d/clamav-update ![]() So, essentially, this means that on Ubuntu, ClamAV will be checking for updates every hour. In the /etc/clamav/nf file of your Ubuntu machine, you'll see the following lines at the end: # Check for new database 24 times a day I see different behaviour in CentOS7, CentOS 8 and Ubuntu.ģ.1: On Ubuntu with /etc/clamav/nf Configure auto-update of freshclam databaseīased on different distribution, the method to configure auto-update of freshclam database may differ. rw-r-r- 1 clamupdate clamupdate 117859675 main.cvdĪLSO READ: Linux copy directory and contents from remote to local & vice versa 3. rw-r-r- 1 clamupdate clamupdate 296388 Sep 5 17:16 bytecode.cvd This will add or update the existing database file inside # ls -l /var/lib/clamav/ To update the database for the first time we need to run freshclam to update the database manually and to check whether the configuration is successfully set: # freshclamĬlamAV update process started at Tue Nov 6 15:51:59 2018 ![]()
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