IDRE Hoffman2 Support

Accounts
Cannot Connect to Hoffman2
User Accounts
Other
Applications, Compilers, and Libraries
AI, ML, and GPU programming
Adapting an App for Use on Hoffman2
Code/Programming/Scripts
Jupyter on Hoffman2
Licensed Software
Software Installation Request (Systemwide)
Software Installation Help (Project/Home directory)
Remote Desktop (NX/X2Go)
Other
Job Errors/Job Scheduler
How to Submit a Job
Job Not Starting
Job Status
Other
Node and Storage Purchases
Node and Storage Purchases
Other
Storage and Filesystems
Access / Permissions / Quotas
Cloud Storage (AWS, Box, etc.)
File Transfer and Globus
General Requests
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Policies

Cannot Connect to Hoffman2

⇅ Connection refused jupyter notebook or JupyterLab on Hoffman2
Tuesday, March 5, 2024 jupyter notebooks on h2 jupyter h2jupynb jupyter nb jupyter lab
⇅ VSCode Updated
Updated: Thursday, January 22, 2026 vscode code jupter
⇅ SSH connection breaks - packet_write_wait/Broken pipe Updated
Updated: Monday, January 12, 2026 ssh packet_write_wait broken pipe ipqos
⇅ Why can't I connect to the Hoffman2 cluster from mednet or UCLAHealthSecure?
Updated: Monday, October 28, 2019 vpn virtual private network mednet
⇅ Connecting to the campus VPN
Updated: Monday, October 28, 2019 vpn virtual private network
⇅ My ssh connection drops after [n] minutes
Updated: Wednesday, March 11, 2020 ssh connection problem drops
⇅ Do you support NX, VNC, or other graphical interfaces?
Updated: Monday, October 28, 2019
⇅ Which password do I use to login?
Updated: Monday, October 28, 2019
⇅ SSH port forwarding
Updated: Monday, October 28, 2019
⇅ I hear the UCLA Grid Portal will be taken down in near future?
Updated: Monday, October 28, 2019