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Remember gplogin* (login node) is a shared resource, so one shouldn't be running matlab directly on a login node. It's not a problem until someone points it out as a problem, so we need everyone to get in the habit of requesting an interactive session for Matl...

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Environment Modules (Lmod) are used to configure your environment for many pieces of installed software on greenplanet, including compilers and MPI environments. To see a list of available packages, type: "ml spider" ml spider To load a specific package/versio...

The default installation of Miniconda may have restrictive licensing on some packages. The drop-in replacement "miniforge" will set up a similar minimal conda environment that defaults to the "conda-forge" channel of open packages. As the packages in Python di...

The default installation of Miniconda may have restrictive licensing on some packages. The drop-in replacement "miniforge" will set up a similar minimal conda environment that defaults to the "conda-forge" channel of open packages. As the packages in Python di...

While Jupyter notebooks can be run on any login node by installing the needed packages via conda or pip, running on compute nodes can be tricky. We have installed JupyterHub servers on gplogin2 and gplogin3 that can spawn JupyterLab sessions as slurm jobs. Sta...

MacOS 10.9 and later (11.2 “Big Sur” Working as of 4 March 2021): Upgrade OS to latest available (not always necessary, but usually avoids bugs) Upgrade to (or install) XQuartz-2.8.5 Log out/Log in to your Mac (may not be needed for upgrades from earlier 2.8....

Here are a list of X Windows servers for Windows X2Go Requires an X2Go server on the target server. Creates a full remote desktop connection. https://wiki.x2go.org/doku.php https://wiki.x2go.org/doku.php/doc:installation:x2goclient Note: X2Go is great fo...

X2Go Requires an X2Go server running on the target server. Creates a full remote desktop session. Client can be installed through the system repos, eg on Ubuntu: sudo apt install x2goclient X11 Forwarding As long as your current environment supports X11, X11 f...

Here are the compiler options on the new side of the cluster (gplogin2/3).  gnu => GCC; intel => Intel Parallel Studio XE; mkl => Intel Math Kernel Library For MPI Variants see this page. Compiler/Version To use gnu/4.8.5gnu/7.2.0gnu/7.3.0gnu/8.1.0g...

OpenMP is a threading option built into GCC/Intel compilers. https://www.openmp.org/resources/openmp-compilers-tools/ Intel options: OpenMP 4.5 C/C++/Fortran supported in version 17.0 compilers OpenMP 4.5 C/C++/Fortran supported in version 18.0 compilers Com...

Here are all the possibilities for the currently installed OpenMPI versions, so you can compile any application with the desired version of OpenMPI. OpenMPI Version Use GNU Compiler Use Intel Compiler openmpi/1.10.7 ml gnu/7.2.0 openmpi/1.10.7 m...

Below is a table of all custom compiled software available on the new side of cluster (gplogin2/3) via lmod.If compiling an app from source see Compiler Variants.If compiling an MPI app from source see OpenMPI Variants.  This serves as a quick reference on how...