Tag: journalctl

shiny server running but shiny app does not spawn up from rstudio run button

I have recently launched a new ubuntu 20.04 server on the cloud, installed R, Rstudio and shiny server (all open source). The rstudio is accessible on a remote browser connection. But somehow I am unable to make a simple shiny app to spawn up. Even the sample app /sample-apps/hello/ does…

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Actually getting logs from JupyterHub? – JupyterHub

Hi, folks, Having a major issue with some authentication and Error 500s, and can’t debug, because I can’t seem to access any logs. My config.yaml for the deployment has: debug: enabled: true which I thought was sufficient to get debug mode enabled? I’m running the 3.0.0 helm chart, and everything…

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After server reset, TLJH is not able to spawn the user server – JupyterHub

Hi,I needed to reboot the on-premise server (Ubuntu20.04, x86) that hosts the TLJH service, and after that I cannot spawn the users (or admin) servers. The TLJH itself is running. Prior to the reboot I managed to change the frontend to by JupyterLab and change culling timeout to be 1800sec.I’ve…

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JupyterHub and Slurm – JupyterHub

Hello!I am trying to set up slurm together with jupyterhub. Here is part of jupyterhub config from batchspawner import SlurmSpawner from os import environ c.JupyterHub.spawner_class = SlurmSpawner environ[‘SLURM_CONF’] = ‘/etc/slurm/slurm.conf’ c.SlurmSpawner.environment = {‘SLURM_CONF’: ‘/etc/slurm/slurm.conf’} c.JupyterHub.hub_ip = ‘ip_of_machine_with_hub’ c.JupyterHub.hub_connect_ip = ‘how_machine_is_named_in_network’ c.JupyterHub.hub_port = #Port c.SlurmSpawner.batch_script = “””#!/bin/bash #SBATCH –output=/home/zotov/jupyterhub_slurmspawner_%j.log #SBATCH –job-name=spawner-jupyterhub…

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server – Failed to start Slurm node daemon

I am new here and a relative beginner in Ubuntu, I want to install slurm to manage properly my DIY cluster,. I want to use the cluster (HPC) for parallel simulations I have 3 nodes (1 master 2 slaves) ubuntu 20.04 server I followed the instructions from nekodaemon.com (I can’t…

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[slurm-users] srun: Job step aborted

Hi all, I’m facing the following issue with a DGX A100 machine: I’m able to allocate resources, but the job fail when I try to execute srun, follow a detailed analysis of the incident: “` $ salloc -n1 -N1 -p DEBUG -w dgx001 –time=2:0:0 salloc: Granted job allocation 1278…

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Can’t access TLJH via a browser – JupyterHub

Hello, I installed TLJH on Ubuntu Server 22.04 (This should work: [removed bc I can only include 2 links] github[dot]com/jupyterhub/the-littlest-jupyterhub/issues/813) on a local machine – following these instructions: The Littlest JupyterHub Installing on your own server Follow this guide if your cloud provider doesn’t have a direct tutorial, or you…

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