Install

sudo apt install slurm-wlm slurm-wlm-doc -y 

Modify config

rm /etc/slurm-llnl/slurm.conf 
vi /etc/slurm-llnl/slurm.conf 

Example of config

# slurm.conf file generated by configurator easy.html.
# Put this file on all nodes of your cluster.
# See the slurm.conf man page for more information.
#
ControlMachine=girl
#ControlAddr=
#
#MailProg=/bin/mail
MpiDefault=none
#MpiParams=ports=#-#
ProctrackType=proctrack/pgid
ReturnToService=1
SlurmctldPidFile=/var/run/slurm-llnl/slurmctld.pid
#SlurmctldPort=6817
SlurmdPidFile=/var/run/slurm-llnl/slurmd.pid
#SlurmdPort=6818
SlurmdSpoolDir=/var/spool/slurmd
SlurmUser=slurm
#SlurmdUser=root
StateSaveLocation=/var/spool/slurm-llnl
SwitchType=switch/none
TaskPlugin=task/none
#
#
# TIMERS
#KillWait=30
#MinJobAge=300
#SlurmctldTimeout=120
#SlurmdTimeout=300
#
#
# SCHEDULING
FastSchedule=1
SchedulerType=sched/backfill
SelectType=select/linear
#SelectTypeParameters=
#
#
# LOGGING AND ACCOUNTING
AccountingStorageType=accounting_storage/none
ClusterName=cluster
#JobAcctGatherFrequency=30
JobAcctGatherType=jobacct_gather/none
#SlurmctldDebug=3
#SlurmctldLogFile=
#SlurmdDebug=3
#SlurmdLogFile=
#
#
# COMPUTE NODES
NodeName=girl CPUs=4 State=UNKNOWN
PartitionName=debug Nodes=girl Default=YES MaxTime=INFINITE State=UP

Mkdir and Chown

rm -rf  /var/spool/slurm-llnl
mkdir /var/spool/slurm-llnl
chown -R slurm.slurm /var/spool/slurm-llnl
rm -rf /var/run/slurm-llnl/
mkdir /var/run/slurm-llnl/
chown -R slurm.slurm /var/run/slurm-llnl/

Start slurmd and enable on boot

systemctl start slurmd
systemctl enable slurmd
systemctl start slurmctld
systemctl enable slurmctld

Start service

systemctl restart  slurmctld
systemctl restart  slurmd