Check 'dmesg' and look for OOM-killer. Clamav needs a descend amount of RAM - especially when using 3rd-party signatures. As there are random updates over the day, the reloads could lead to your noticed behavior.
Am Mi., 3. Juni 2020 um 10:00 Uhr schrieb Jesús Arnáiz via clamav-users < clamav-users@lists.clamav.net>: > Hi! > > I have an Ubuntu server as email server. I use there, MailInABox: > https://mailinabox.email/ > > I installed on my own (since it is not part of MailInABox) clamav and I > configured it to be used with clamsmtp on postfix, so email is scanned > for virus. > > It normally works fine, but, apparently it is crashing everyday more > than once, meaning a manual restart is needed once or twice per day. > > I don't see anything relevant on the logs, more than error of clamsmtp > complaining it "can't connect to clamd" (expected issue if the service > is stopped as is the case): > > --- > Jun 3 08:42:54 mailbox clamsmtpd: 10126F: CLAMAV: couldn't connect to: > /var/run/clamav/clamd.ctl: Connection refused > Jun 3 08:43:32 mailbox clamsmtpd: 101274: CLAMAV: couldn't connect to: > /var/run/clamav/clamd.ctl: Connection refused > ---- > > A manual restart makes the error disappear and it continue working for a > while. > > For the moment as a temporal workaround, I set some crontab to check the > "clamd" process and restart it if it is not running. But I would like to > find the issue and fix it if possible. > > Any ideas? > > My system is: > > ---- > Linux mailbox 5.3.18-3-pve #1 SMP PVE 5.3.18-3 (Tue, 17 Mar 2020 > 16:33:19 +0100) x86_64 x86_64 x86_64 GNU/Linux > > Ubuntu 18.04.4 LTS > > ClamAV Version: > > clamscan -V > ClamAV 0.102.3/25831/Tue Jun 2 14:41:03 2020 > > CalmSMTPD: > > clamsmtpd (version 1.10) > (config: /etc/clamsmtpd.conf) > > > Thanks!, > Jesús. > > -- > El software de antivirus Avast ha analizado este correo electrónico en > busca de virus. > https://www.avast.com/antivirus > > > _______________________________________________ > > clamav-users mailing list > clamav-users@lists.clamav.net > https://lists.clamav.net/mailman/listinfo/clamav-users > > > Help us build a comprehensive ClamAV guide: > https://github.com/vrtadmin/clamav-faq > > http://www.clamav.net/contact.html#ml >
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