[CentOS] BackupPC won't fork after CentOS 5.2 upgrade

Ben abnormaliti at clivepeeters.com.au
Tue Jul 8 10:25:55 UTC 2008


Johnny Hughes wrote:
> Ben wrote:
>> Ben wrote:
>>> For some time now i have been running BackupPC 3.1.0 on CentOS 5.1 
>>> x86_64 however after upgrading to CentOS 5.2 BackupPC will not start.
>>>
>>> "sudo /etc/init.d/backuppc start" return OK but there is no BackupPC 
>>> processes.
>>>
>>> This fails also.
>>> # sudo -u backuppc /usr/bin/BackupPC -d
>>> # echo $?
>>> 0
>>>
>>> This succeeds, but of course does not fork.
>>> # sudo -u backuppc /usr/bin/BackupPC
>>>
>>> So for some reason after the CentOS 5.2 upgrade it will not fork 
>>> into the background.
>>>
>>> I have run the perl debugger over it and up until the fork 
>>> everything is fine.
>>>
>>> Nothing appears in the LOG.
>>>
>> With some help from the BackupPC list i have narrowed the problem 
>> down to the NSS config, I use LDAP to resolve users and groups.
>>
>> In /etc/nsswitch.conf this is what is there and was there with CentOS 
>> 5.1, with this config BackupPC will not background.
>> <snip>
>> passwd:     files ldap
>> shadow:     files ldap
>> group:      files ldap
>> <snip>
>>
>> However, with this in nsswitch.conf the service will background.
>> <snip>
>> passwd:     files ldap
>> shadow:     files
>> group:      files ldap
>> <snip>
>>
>> Apparently this has been seen to affect dhcpd too, but with the 
>> "services" nss database.
>>
>> Any ideas on this?  What has changed between 5.1 and 5.2?
>
> Look in the release notes for C5 (search for nss_ldap):
>
> http://wiki.centos.org/Manuals/ReleaseNotes/CentOS5.2
>
> Try my fixed RPM here:
>
> http://people.centos.org/hughesjr/nss_ldap/5/
>
> Upstream bugzilla entry here:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=448014

Thanks for the pointer.

Is your RPM any different to the one the Testing Repo as documented in 
the release notes?

Ben



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