[slurm-users] Fwd: useradd: group 'slurm' does not exist

[Nousheen]

Hello everyone,

I am struggling with the installation of slurm on Centos 7. while following
this tutorial
https://www.slothparadise.com/how-to-install-slurm-on-centos-7-cluster/
, after the installation of MariaDB, I try to create users for slurm and
munge but following the same sequence of commands as in the tutorial gives
me the following error.













*Package 1:mariadb-server-5.5.68-1.el7.x86_64 is obsoleted by
mysql-community-server-5.7.37-1.el7.x86_64 which is already
installedPackage 1:mariadb-devel-5.5.68-1.el7.x86_64 is obsoleted by
mysql-community-devel-5.7.37-1.el7.x86_64 which is already installedNothing
to do[root at exxact slurm]# export MUNGEUSER=991[root at exxact slurm]# groupadd
-g $MUNGEUSER mungegroupadd: GID '991' already exists[root at exxact slurm]#
useradd  -m -c "MUNGE Uid 'N' Gid Emporium" -d /var/lib/munge -u $MUNGEUSER
-g munge  -s /sbin/nologin mungeuseradd: group 'munge' does not
exist[root at exxact slurm]# export SLURMUSER=992[root at exxact slurm]# groupadd
-g $SLURMUSER slurmgroupadd: GID '992' already exists[root at exxact slurm]#
useradd  -m -c "SLURM workload manager" -d /var/lib/slurm -u $SLURMUSER -g
slurm  -s /bin/bash slurmuseradd: group 'slurm' does not exist*

I am totally new to this. Kindly guide me on how to resolve this.

Best Regards,
Nousheen Parvaiz

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