On Sun, 7 Dec 2025, Alex via clamav-users wrote:
Problem:
When clamav-daemon.service runs, it always encounters the error "LOCAL: Socket file
/run/clamav/clamd.ctl is in use by another process." Then it immediately restarts,
and fails again after the signatures have been loaded.
Background:
I needed to upgrade clamav to 1.4.3 using the official deb package from
https://www.clamav.net/downloads
I made sure I uninstalled the old clamav v0.103 from my distro (Ubuntu 20.04).
I installed the clamav 1.4.3 .deb package and migrated clamd.conf and
freshclam.conf
I've done some other stuff that I can't quite recall, like fixing the path to
the databases that the services point to.
I have found two sockets, and I thin one is from my distro's old installation.
/var/run/clamav/clamd.ctl
/run/clamav/clamd.ctl
On recent Ubuntu (and presumably Debian)
/var/run is a symlink to /var
Since then I have updated clamd.conf to use LocalSocket /run/clamav/clamd.ctl
instead of the one under /var
But strangely, every time I start clamav-daemon.socket it creates both socket
files. They both have the same inode.
Is there any way I can resolve this socket conflict?
Where is the 2nd socket file coming from?
--
Andrew C. Aitchison Kendal, UK
[email protected]
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