[slurm-users] What is an easy way to prevent users run programs on the master/login node.

[Patrick Begou]

Hi,

I also saw a cluster setup where mpirun or mpiexec commands were
replaced by a shell script just saying "please use srun or sbatch...".

Patrick

Le 24/04/2021 à 10:03, Ole Holm Nielsen a écrit :
> On 24-04-2021 04:37, Cristóbal Navarro wrote:
>> Hi Community,
>> I have a set of users still not so familiar with slurm, and yesterday
>> they bypassed srun/sbatch and just ran their CPU program directly on
>> the head/login node thinking it would still run on the compute node.
>> I am aware that I will need to teach them some basic usage, but in
>> the meanwhile, how have you solved this type of user-behavior
>> problem? Is there a preffered way to restrict the master/login
>> resources, or actions,  to the regular users ?
>
> We restrict user limits in /etc/security/limits.conf so users can't
> run very long or very big tasks on the login nodes:
>
> # Normal user limits
> *               hard    cpu             20
> *               hard    rss             50000000
> *               hard    data            50000000
> *               soft    stack           40000000
> *               hard    stack           50000000
> *               hard    nproc           250
>
> /Ole
>