Re: [HTCondor-users] permission denied

[Justin Killebrew <jk@xxxxxxx>]

Thanks Benedikt.  

I added/changed the configs on each machine so that condor_config_val UID_DOMAIN and FILESYSTEM_DOMAIN return the same thing: timehole.org.  Now the jobs canât even write the output and error files and are held immediately with HOLD_REASON Failed to open [output fle] as standard output: Permission denied (errno 13).

In the central manager (CM) and execution point (EP) /etc/condor/condor_config file I added:

    ALLOW_WRITE = *.timehole.org

    UID_DOMAIN = timehole.og

    FILESYSTEM_DOMAIN = timehole.org

The CM is also the access point/submit machine.

Both EPs have CONDOR_HOST = bench9.timehole.org in the /etc/condor/config.d/01-execute.config file.  Both can resolve bench9.timehole.org via the /etc/host file.  The CM also has CONDOR_HOST = bench9.timehole.org in the /etc/condor/config.d/01-central-manager.config file.

The nfs/autofs configuration seems correct to me - I can login to each machine and read/write the shared home directory.

Does it matter that the domain name, timehole.org, isnât real?  I manually edited the  /etc/hosts file so the CM can resolve the fake FQDN of each EP.

JK

On Sep 24, 2025, at 10:25âAM, Benedikt Riedel <briedel@xxxxxxxxxxxxxxxx> wrote:

      External Email - Use Caution      

This may be an issue with your config, see

https://htcondor.readthedocs.io/en/latest/admin-manual/configuration-macros.html#UID_DOMAIN

On Wed, Sep 24, 2025 at 9:19âAM Justin Killebrew via HTCondor-users <htcondor-users@xxxxxxxxxxx> wrote:

Hello.  My blender rendering job cannot write the output to my home directory.  Using whoami in the script shows the user is nobody and so the write fails with permission denied.  The output and error files are written properly so I guess that is done under my account.  I have autofs configured to share the home directory.  Iâm able to run a simple shell script job without issues so I think it is setup properly. 

How can I specify/control the user that executes the script?  How can the output and error files be written but not the render output?

Thanks,
JK




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Benedikt Riedel

IceCube Neutrino Observatory
Accelerated AI Algorithms for Data-Driven Discovery

University of Wisconsin-Madison