High Performance Cluster Computing

Account updates and group name changes - summer 2019
There are several significant changes to user accounts and groups this summer.  In order to complete the automation of account creations and deletions with ...
Fri, Aug 16, 2019 at 10:17 AM
Advanced Certificate in Computational Science
The University at Buffalo offers an Advanced (Graduate) Certificate program in computational science. The Certificate recognizes a student's special tr...
Wed, Feb 13, 2019 at 3:56 PM
Basic UNIX Commands
The CCR clusters are accessed through a command line interface.  Users must be able to navigate using Linux/UNIX commands.    The CCR Cheat Sheet has...
Mon, Apr 20, 2020 at 10:58 AM
Batch Computing (SLURM Workload Manager)
Please watch this recording on how to use Slurm batch scheduler. (Password: CCR-HPC2020)  Batch computing involves users submitting jobs to a schedule...
Thu, May 28, 2020 at 11:15 AM
Can't login to CCR
Are you getting this error? Connection to rush.ccr.buffalo.edu closed by remote host or Server unexpectedly closed the network connection That ser...
Tue, Nov 13, 2018 at 11:48 AM
Checkpointing and Restarting Jobs
Checkpoint saves the processes of a running application to a file.  Later the processes can be restarted from that file.  Since the maximum time a job can r...
Thu, Feb 21, 2019 at 1:24 PM
Compiling Code
Debugging Profiling Checkpointing Compilation of Serial Code Form for compiling a serial code:  compiler -flags filename The available compilers ...
Mon, Apr 27, 2020 at 2:32 PM
Configuring your environment and private modules for use in OnDemand
Users who wish to use their own versions of software in OnDemand must configure their environment properly so OnDemand will recognize your private modules. ...
Thu, May 2, 2019 at 2:30 PM
Container Computing with Singularity
CCR is now supporting the use of containers within our high performance cluster environment.  Container computing is most widely associated with Docker; ...
Tue, Jun 25, 2019 at 9:14 AM
Creating a SSH tunnel using MobaXterm on Windows
Download MobaXterm here This is an example of how to setup an SSH tunnel using MobaXterm.  Depending on what you're trying to remotely display, you...
Wed, Apr 15, 2020 at 8:04 AM