chi-square test and uncertainty

 

Reference:

http://astro.physics.uiowa.edu/~kaaret/2019f_p4905/L17.html

Linux resource management tool Slurm

Slurm is a group utilities used for managing workloads on computer clusters.

Some clusters use Slurm as the batch queuing system and the scheduling mechanism.

Jobs are submitted to Slurm from a login node and Slurm handles scheduling these jobs on nodes.

sinfo -l command displays information about nodes and partitions.

sbatch job.sh submit a job where job.sh is the script you want to run.

scancel jobID cancels a job

squeue -u userID shows state of jobs

An example for job submit script, e.g., job.slurm 

Execute script

$ sbatch job.slurm

two examples interactive shell

$srun -n 1 --pty bash -i

$srun --mem=4096 --pty  /bin/bash --time=01:00:00

Reference:

http://www.cac.cornell.edu/wiki/index.php?title=Slurm#Parallel_Applications

https://campuscluster.illinois.edu/running-serial-jobs-efficiently-on-the-campus-cluster/

Show logged users in Linux

 There are few simple commands which can display who are logged in the Linux.

w

who

users

last

Typing one of these commands in the terminal, it will display the logged in users information.