Hello guys, Thanks for the reply The problem is solved. the file /etc/group was on a 640 mode and the clamd process could not open it. After changing the mode to 644, the process has started.
Regards ----- On 25 Mar, 2022, at 18:06, clamav-users <clamav-users@lists.clamav.net> wrote: > Hi there, > On Fri, 25 Mar 2022, Jean-Claude VERGEROLLE wrote: > > After an apt upgrade, clamav-daemon do not start > > System : debian buster 4.19.232-1 > > clamav version : 0.103.5+dfsg-0+deb10u1 amd64 > > I got this in the log /var/log/clamav/clamav.log > > ... > > ... > > Fri Mar 25 13:00:11 2022 -> ERROR: Unknown group clamav > > Can you help me ? > Yes. :) > I don't know what has changed nor why it has changed but it's a simple > problem with a simple fix. At a guess there will be something that > you did not tell us about what you've done, perhaps because you don't > know you've done it, but it's possible that the mistake wasn't yours. > Every process which runs on your system is 'owned' by what you can > think of as a 'user'. The user is not necessarily a person. Users > are just names like 'root' or 'ntp' or 'clamav' or 'Fred' or 'joe'. > For each name there's an associated, unique number. Each name also > belongs to a 'group'. Like a user, a group is just a name with an > associated unique number. These four values (user ID, numeric UID, > group ID, numeric group ID) are essential parts of the system which > implements permissions in Unix-like operating systems. Whenever you > use the '-l' option to the 'ls' command you'll see on the left of the > resulting table a lot of information about the permissions which the > system applies to these 'user' and 'group' IDs (and to 'other' IDs). > After the upgrade it appears that you are trying to start a process > with a group ID which is not valid, which likely means that > EITHER > (1) your configuration is telling the system to start the ClamAV > daemon process with different owner and group IDs from those which > were used last time you started it; at least the group ID does not > exist on your system and probably never has done > OR > (2) someone or something has recently deleted at least the group ID > 'clamav' on your system. > With the information that you have given I can't tell which of the two > explanations is right, but it doesn't really matter. All you need to > do is find out what owner ID and group ID *should* be used for clamd > (the ClamAV daemon) on your system and EITHER change the configuration > file (probably something like /etc/clamav/clamd.conf) to have the > right user and group IDs OR create the user and group IDs if they've > somehow been deleted. > The ClamAV documentation will tell you what you need to change if the > change is needed in the clamd configuration file. If you need to > create a user or group ID, the operating system documentation for the > 'useradd' and 'groupadd' commands should tell you what you need to know. > If you have backup copies of the configuration files you could compare > them with the new versions and it would immediately be obvious what if > anything has changed in the configuration. > You keep backups of all sorts of important stuff, right? > If you are still unsure what to do you can always remove and purge all > the ClamAV packages from your system and then re-install them which in > theory will give you a working setup. If it does not then perhaps the > Debian package maintainers have done something silly - in that case I > should expect to see a lot more messages like yours on this list soon. :/ > -- > 73, > Ged. > _______________________________________________ > 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 -- L'exemplarité ne se délègue pas! [ mailto: | Jean-Claude VERGEROLLE ] Direction des systèmes d'information 05 40 00 68 24 [ http://www.u-bordeaux.fr/ ]
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