Applicable to:
- Plesk for Linux
Symptoms
-
Enabling ClamAV in the Plesk Email Security extension fails:
PLESK_ERROR: Execution filemng has failed with exit code 1, stdout: , stderr: Job for clamd@scan.service failed because the control process exited with error code. See "systemctl status clamd@scan.service" and "journalctl -xe" for details.
-
Manually enabling the service
clamdin the server's console also fails:# systemctl status clamd@scan.service
* clamd@scan.service - clamd scanner (scan) daemon
Loaded: loaded (/usr/lib/systemd/system/clamd@.service; enabled; vendor preset: disabled)
Active: activating (start)
...
clamd[17834]: daemonize() failed: Cannot allocate memory
clamd[17834]: Socket file removed.
-
Clamd process has a high CPU usage:
# ps awufx | grep clamd | grep -v grep
amavis 1804892 96.3 24.7 1117096 968048 ? Rs 17:19 0:10 /usr/sbin/clamd -c /etc/clamd.d/amavisd.conf -
The following error is shown multiple times on the
/var/log/maillogfile:# egrep "Cannot allocate memory" /var/log/maillog | wc -l
3114
Cause
There is not enough RAM memory to initialize the service. The server should have at least 4 GB of overall RAM and 2 GB free RAM.
Resolution
Allocate more RAM to the server either on your own or by contacting the administrator/provider of the server.
Additional Information
The clamav-milter service, which is a part of Plesk Email Security extension, is stopped by default. The service is managed by Clam Antivirus and is started automatically on a request.
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