CISL Daily Bulletin

The Daily Bulletin delivers news about CISL’s high-performance computing environment, training opportunities, scheduled maintenance, and other events of interest to the user community. To get the Daily Bulletin by email, use this link to subscribe.

Applications for 2025 SIParCS summer internships are open now until January 19!

November 14, 2024

NSF NCAR’s Computational and Information Systems Lab (CISL) is now accepting applications for the 2025 Summer Internships in Parallel Computational Science (SIParCS). Through SIParCS, undergraduate and graduate students have the opportunity to work with technical projects ranging in topics from machine learning, data science, software engineering, data assimilation, digital asset management, v...

Join a free lecture on geographic information systems (GIS)

November 14, 2024

On Wednesday, December 4, from 5:30 pm to 7:00 pm MT, join NSF NCAR scientists Jennifer Boehnert and Olga Wilhelmi for their lecture, "Geography matters! Meeting the challenges of climate resilience with geospatial technology." This is a free public event for ages 12-plus. It will take place as a live hybrid webcast, with options to attend virtually or in-person at the NSF NCAR Mesa Laborator...

Reminder: Drop by the NSF NCAR booth (#931) at the SC24 conference

November 14, 2024

If you are attending the SC24 conference in Atlanta, Georgia, don’t forget to drop by and say hi at the NSF NCAR and CISL booth (#931)! We will be offering receptions, activities, talks, and good food from Tuesday, November 19, to Thursday, November 21. For a full description of NSF NCAR’s and CISL’s offerings during SC24, check our agenda page.

Important notice regarding RDA ERA5 Reanalysis GRIB files

November 12, 2024

The Data Engineering and Curation Section (DECS) of CISL is in the process of completely phasing out whole file download, subsetting, and campaign storage access to RDA ERA5 Reanalysis GRIB files (d633000), with a planned end of read access to the GRIB format on GLADE occurring on January 15th, 2025. Web access to these data has already been disabled. If possible, please transition to using the...

It’s not too late to join NSF NCAR at the SC24 conference

November 11, 2024

You still have time to register for the Supercomputing 2024 Conference (SC24), which is taking place both online and in-person from Sunday, November 17, to Friday, November 22, in vibrant Atlanta. Join NSF NCAR and CISL at SC24 for our robust agenda of talks, sessions, and activities. Some planned highlights: • Collaborate and Connect Reception: Over food and drinks at the NSF NCAR booth on ...

When to use ACLs to control file and directory access

January 12, 2021 Updated: November 7, 2024

Some GLADE users need to share files with others who aren’t in the same UNIX group. Common examples involve sharing files among users in different NCAR labs or universities, and sharing files with short-term visitors, interns, students, or others during a short project period. CISL recommends using access control lists (ACLs) to provide the necessary permissions as a better solution than creati...