Happy New Year 2020!

posted in report

Gaia and Chaos End Of Life announcement

posted in Chaos, Decommission, Gaia, ULHPC

2019 software environment

posted in environment, hpc, software

FAQ: What is the general backup policy?

posted in FAQ, backup, storage

Migration to IPA

posted in authentication, ipa, ldap

UL HPC School 2019

posted in School, ULHPC, event

MeluXina: EuroHPC Supercomputer in Luxembourg

posted in EuroHPC, Meluxina

SC-Camp 2019 in Madrid

posted in HPC, SCCamp, Slurm, event, training

FAQ: How do I use CPLEX?

posted in FAQ, cplex, software

Industry partnerships - ArcelorMittal and CERATIZIT

posted in HPC, industry, partnerships, services

Gitlab.uni.lu infrastructure migration

posted in git, gitlab, mattermost, registry

GPU and large-memory nodes added to iris

posted in bigmem, compute, gpu, hardware, iris

Decommissioning of Gaia and Chaos

posted in Chaos, Decommission, Gaia, ULHPC

NVidia Joint AI Lab in Luxembourg

posted in AI, Nvidia

Migration from Gaia or Chaos to Iris

posted in decommission, migration

Merry Christmas & Happy NY 2019

posted in report

Sensitive data encryption using gocryptfs

posted in GDPR, crypto, data, encryption, security, sensitive

File Encryption using SSH [RSA] Key Pairs

posted in GDPR, openssh, openssl, rsautl

Using git-crypt to protect sensitive data

posted in git, git-crypt, openssl, pass, rsautl

UL HPC School 2018 (bis)

posted in School, ULHPC, event

FAQ: Slow prompt when entering a huge git repository

posted in FAQ, git, slow

Invited keynote @ LuxRGroup

posted in event, keynote, slides

Invited keynote @ ISACA.lu

posted in event, keynote, slides

Invited keynotes @ MUG’18

posted in event, keynote, mvapich, slides, workshop

2018 software environment

posted in environment, hpc, software

Invited Keynote @ ISC’18 Workshop

posted in event, isc, workshop

FAQ: X11 forwarding not working with Slurm

posted in FAQ, X11, display, forwarding, graphical, interface, slurm

UL HPC School 2018

posted in School, ULHPC, event

Data conversation GDPR

FAQ: SSH tunneling under Windows?

posted in FAQ, SSH, Windows, tunneling

Luxembourg joins the prestigious European network PRACE

posted in EU, PRACE

Next Generation Computing and Storage at Scale

posted in chipset, cost, event, workshop

Tutorial Big Data Analytics at 3^rd NESUS School

posted in BigData, event, tutorial

Wort article on EuroHPC

posted in eurohpc, press, ulhpc

Paperjam article on EuroHPC

posted in eurohpc, press, ulhpc

Merry Christmas & Happy NY 2018

posted in report

UL HPC School 2017 bis - Keynotes slides

posted in School, Tutorials, ULHPC, Workshop

8th Supercomputing Camp (SC-Camp 2017)

posted in School, Tutorials, Workshop

Luxembourg enters PRACE

posted in EU, PRACE

UL HPC School 2017 - Keynotes slides

posted in School, Tutorials, ULHPC, Workshop

FAQ: How to permit a bi-directional transparent connection from one cluster to the other ?

posted in FAQ, SSH, access, key

UL HPC School 2017

posted in Shool, ULHPC, event

Preliminary Performance Results of the iris cluster

posted in iris

FAQ: How do I run a MATLAB program?

posted in FAQ, MATLAB

FAQ: Do you have templates for launcher scripts?

posted in FAQ, launcher, scripts, templates

FAQ: Can you compile software X with extension Y with feature Z for me?

posted in FAQ, compile, extension, feature

FAQ: I want to compile and install a software from source. How do I proceed?

posted in FAQ, compile, software

FAQ: A library or a program is not available on the cluster yet I need it. What should I do?

posted in FAQ, library, missing, program

FAQ: I don’t manage to compile my code, I have the message “gcc / make etc.: command not found”

posted in FAQ, compile, errors

FAQ: I have a programming issue. Can you help?

posted in FAQ, programming

FAQ: Setting locale failed when accessing the cluster

posted in FAQ, access, errors

UL HPC: Incoming HPC Deployments for 2017

posted in Aion, BigData, DLC, Hardware, Iris, RFP, ULHPC

Tutorial: Reproducible Research @ CloudCom’16

posted in RR, tutorial

UL HPC School 2016 - Keynotes slides

posted in School, Tutorials, ULHPC, Workshop

FAQ: How do I use software with graphical interface?

posted in FAQ, software

PhD Seminar: IT/Dev[op]s Army Knives Tools for the researcher

FAQ: How can I use modules in non-interactive jobs?

posted in FAQ, errors, modules, software

FAQ: Why does my software installation not work?

posted in FAQ, errors, software

FAQ: How do I install Perl modules?

posted in FAQ, software

FAQ: How do I install Python packages?

posted in FAQ, software

FAQ: How do I build software from source?

posted in FAQ, software

FAQ: How do I create my own modules with EasyBuild?

posted in FAQ, modules, software

FAQ: How does OAR manage the memory?

posted in FAQ, OAR

FAQ: How do I copy files between reserved resources?

posted in FAQ, OAR

FAQ: Why does my job not get scheduled?

posted in FAQ, OAR

FAQ: How can I use parallel launchers on reserved resources?

posted in FAQ, OAR

The UL [HPC] joins ETP4HPC as Full Member

posted in ETP4HPC, EU

FAQ: How can I see how much disk space I’m using and what my quotas are?

posted in FAQ, gpfs, lustre, storage

FAQ: Why do I suddenly get an "Illegal instruction" error?

posted in FAQ, OAR, cpu, errors

FAQ: Why can’t I access the cluster anymore?

posted in FAQ, access, ssh

FAQ: Why do I see "module: command not found" when logging in? How do I get rid of it?

posted in FAQ, errors, modules

Optimizing performance on the Lustre filesystem

posted in Lustre, Storage, configuration

UL HPC Newsletter - Issue #2

posted in ULHPC, newsletter

IPCEI-HPC-BDA Project Released

posted in BigData, EU, IPCEI

UL HPC: storage infrastructure upgrade

posted in BigData, GPFS, Gaia, Hardware, Storage, ULHPC

HPC as part of the UL Digital Strategy

posted in UL, governance

UL HPC: new computing nodes in 2015

posted in BigData, Gaia, Hardware, ULHPC

Scale-out NAS storage: Isilon system

posted in BigData, Gaia, Hardware, Storage, ULHPC

UL HPC Platform @ CSC away day

posted in CSC, ULHPC

UL HPC School 2015 - Keynotes slides

posted in School, Tutorials, ULHPC, Workshop

Introduction to Git and Vagrant

posted in Git, Sysadmin, Vagrant

SMAI 2015 Congress - Keynote slides

posted in HPC, Slides

Create a Centos7 domU on a Debian7 dom0

posted in CentOS, Debian, Sysadmin, Virtualization, configuration, xen

UL HPC School 2015

posted in ULHPC, event

UL HPC Newsletter - Issue #1

posted in ULHPC, newsletter

Chaos (d-cluster1-[1-16]) memory upgrade

posted in Chaos, Hardware, ULHPC

FET/HPC H2020 Call

posted in H2020

New Publications section

posted in ULHPC, publis, web

UL HPC School 2014 - Keynote slides

posted in School, Tutorials, ULHPC, Workshop

HPCS’2014 article presenting the UL HPC platform

posted in publis

UL HPC School 2014

posted in School, Tutorials, ULHPC, Workshop, event

Understanding Git Subtree

posted in Git

Create a sandboxed python/ruby environment

posted in Sysadmin, python, ruby

XFS & inode64

posted in NFS, Storage, Sysadmin, XFS, configuration

FOSDEM 2014

posted in event

Allinea Press Release

posted in Press

New IB interconnect and new nodes on Gaia

posted in Gaia, Infiniband, ULHPC

Quick configuration guide for the Infiniband switch Mellanox Voltaire 4036

posted in Infiniband, Sysadmin, configuration, network

Gaia memory upgrade

posted in Gaia, Hardware, ULHPC

Tips on Vagrant boxes

posted in Vagrant, Virtualization

Starting Virtual Machines on Chaos

posted in Debian, KVM, Qemu, Virtualization

New UL HPC Website

posted in web

Generating Debian Packages under 3.2 Kernel for Lustre 2.4

posted in Debian, Lustre, Sysadmin

UL HPC in IT Nation

posted in Press

UL HPC in Data News

posted in Press

UL HPC in the Wort

posted in Press

RogueWave TotalView Press Release mention the UL HPC

posted in Press

Presentation of the UL HPC @ SnT

posted in Slides, ULHPC

Presentation of the UL HPC @ LCSB

posted in Slides, ULHPC

Mac OS X Install

posted in install, macOSX

Generic Debian installation note

posted in Debian, install