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I saw Clamav virus database updating warning in the log file. So I tried to update the virus database manually:
It seems that some file/directory permission error occurred.

How to solve this ?

Thank you.

Try chmod 775 clamav directory.

I tried your suggestion, it did not work:
But your idea inspired me. I changed permission to 777, then the virus database can be updated. After updating finished, I changed the permission back to 755.

Is this a safe way?

Thank you.

baijianpeng wrote:I tried your suggestion, it did not work:

Code: Select all

[root@ ~]# chmod 775 /var/lib/clamav/
[root@ ~]# sudo freshclam
ERROR: Can't create temporary directory /var/lib/clamav/clamav-b66cc590377020bed528d61f99a29b2e.tmp
Hint: The database directory must be writable for UID 1001 or GID 1001

But your idea inspired me. I changed permission to 777, then the virus database can be updated. After updating finished, I changed the permission back to 755.

Is this a safe way?

Thank you.

Why not ?

I think problem are owener of that dir.

I checked that directory, the owner is :
According to former warning message, it should be "writable for UID 1001 or GID 1001". But I don't know how to change the owner to UID 1001 or GID 1001.

Maybe if I change the owner to correct one, then Clamav will be updated automatically.

chown clam:clam ?

Correct! Thank you!

baijianpeng wrote: ↑

Thu Mar 17, 2016 10:11 am

Correct!

Code: Select all

[root@  ~]# chown clam:clam /var/lib/clamav/
[root@  ~]# sudo freshclam
ClamAV update process started at Thu Mar 17 18:10:41 2016

Thank you!

Thanks, this solved the issue!

I suppose that you cannot update clamav database due to it being locked by running daemon. Presumably Ubuntu proceeds with an automatic update.