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Before December 2022, BRCF POD compute and storage servers were running Ubuntu Linux version 18.04 LTS (Long Term Support), which was released in 2018 with 5 years of support/updates. As of April 2023, updates for Ubuntu 18.04 will be are frozen and no longer available in the standard repositories. As a result, all BRCF POD servers need to be migrated to a newer Ubuntu LTS release. We selected Ubuntu 20.04 LTS, which will be supported until April 2025.
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Migration of POD compute servers to 20.04 began in with the December 20 maintenance window . The current POD compute server update schedule is shown below but is subject to change! and is now complete, dates shown below. Numbers indicate how many compute servers each pod has.
December 20 - 23, 2022 - CBRS (2), Chen/Wallingford(1) and EDU (3)January 3 - 4, 2023 - Dickinson/Cambronne (1), Georgiou/WCAAR (3), Lambowitz/CCBB (3)January 17 - 18, 2023 - Wilke (2), Iyer (2), Ochman (2), Kirkpatrick (1)January 31 - Feb 1, 2023 - Hopefog/Ellington (3), Livestrong (4)February 28 - March 1, 2023 - Marcotte (3), Rental (2)March 14 - 15, 2023 - GSAF (3)
Find your OS version
To determine which OS version a server is running, do the following in a Terminl (including RStudio Server or JupyterHub Server Terminal): lsb_release -a. On the Release: line you should see either 20.04 or 18.04.
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After the upgrade, R and Python versions will be are as follows:
- Python
- Default comand-line python is still 2.7
- Default python3 3.8.10, as is the Python in JupyterHub Server
- Python 3.6 is no longer available
- R
- Default command-line R will be is 3.6.3 (it is currently 3.6.1)
- R 4.0.3 will be is accessible from the command line as R-4.0.3
- RStudio Server R will be is either 3.6.3 (if 3.6.1 previously) or still 4.0.3
- R 3.4 and 3.6.1 are no longer available
If you run into problems running Python or R programs that used to work before:
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