Knowledge Base
This knowledge base is designed to help users of NCAR's supercomputing, data analysis, and visualization clusters.
Enter keywords in the search field to find articles related to common user issues and questions.
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How-to articles
CIT passwords
Duo: Getting started with two-factor authentication
Duo authentication and user portal
Get an allocation or account login
How do I subscribe to the CISL Daily Bulletin?
How to join CISL on Sundog
How to report a job failure
Recover lost or deleted files
Systems Accounting Manager (SAM)
Using "sudo" on NCAR systems
YubiKey basics
Troubleshooting articles
HPC user documentation
Allocations
Authentication and security
- Authenticating with Duo
- Enrolling your phone or tablet for Duo 2FA
- Strong passwords
- VPN access
- YubiKey authentication token
Benchmarks
Campaign Storage file system
Casper cluster
- Compiling GPU code on Casper nodes
- Compiling multi-GPU MPI-CUDA code on Casper
- Software modules and packages
- SSH tunneling with PuTTY
- Starting Casper jobs with PBS
- Using FastX for remote desktops
- Using NVIDIA MPS in Casper GPU jobs
- Using remote desktops on Casper with VNC
Cheyenne supercomputer
- Cheyenne use policies
- Code development support
- Quick start on Cheyenne
- Software on Cheyenne
- Starting Cheyenne jobs
- User environment
CISL HPC Allocations Panel
CMIP Analysis Platform
Data transfers and sharing
- BBCP
- Globus file transfers
- PSCP and PSFTP
- SCP and SFTP
- Transferring files to Google Drive or DropBox
- UCAR FTP server
- Using data-access nodes
- WinSCP
Derecho supercomputer
- Batch job script examples - Derecho
- Debugging and profiling with Forge tools on Derecho
- Environment
- Job preemption with PBS
- Lustre scratch file system
- System use policies
Getting started with NCAR systems
- Compiling code on NCAR systems
- Environment modules
- Managing your allocation
- Starting and managing jobs with PBS
GLADE file spaces
- Recovering files from snapshots
- Removing large numbers of files
- Setting file and directory permissions
- Using access control lists
Gust test system user guide
NCAR HPC User Group
New user orientation
- Acknowledging NCAR and CISL
- Best practices for supercomputer users
- Parallel computing concepts
- Storing temporary files with TMPDIR
- User accounts and HPC system access
- User responsibilities
Quasar archive for data collections
Software for HPC users
- Community models
- Data analysis and visualization
- Machine learning and deep learning
- Software libraries and modules
Stratus object storage system
Thunder test system
Tutorials for supercomputer users
User support
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