Cluster Computing

Account updates and group name changes - summer 2019
Please see this article for the most up-to-date info on file permissions There are several significant changes to user accounts and groups this summer. ...
Thu, Nov 12, 2020 at 1:00 PM
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.)  Batch computing involves users submitting jobs to a scheduler and resource manager ...
Tue, Jun 14, 2022 at 4:17 PM
Changing your default cluster
When users login to one of the CCR front end login nodes using vortex.ccr.buffalo.edu they are logged into one of a pool of login servers.  The majority of ...
Tue, Jun 14, 2022 at 3:56 PM
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
Clearing Out The Module Cache
If you try to load a module and receive an error that it can't be found, be sure it does exist.  Use the command: module avail [module_name] i.e. ...
Wed, Mar 30, 2022 at 10:52 AM
Compiling Code
Debugging Profiling Checkpointing Compilation of Serial Code Form for compiling a serial code:  compiler -flags filename The available compilers ...
Mon, Aug 17, 2020 at 4:17 PM
Creating and using a group (projects) software module
The following information assumes basic knowledge of how CCR uses software modules.  If you are not familiar with this, please see introductory documentati...
Tue, Jun 16, 2020 at 1:58 PM
Creating and using a personal software module
The following information assumes basic knowledge of how CCR uses software modules.  If you are not familiar with this, please see introductory documentati...
Tue, Nov 23, 2021 at 12:42 PM