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@exxact slurm]# export MUNGEUSER=991[root@exxact slurm]# groupadd -g $MUNGEUSER mungegroupadd: GID '991' already exists[root@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@exxact slurm]# export SLURMUSER=992[root@exxact slurm]# groupadd -g $SLURMUSER slurmgroupadd: GID '992' already exists[root@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 ᐧ ᐧ