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Oct 24, 2025
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document uenv module bug #288

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document uenv module bug
bcumming Oct 24, 2025
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fix console output
bcumming Oct 24, 2025
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37 changes: 37 additions & 0 deletions docs/software/uenv/index.md
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Expand Up @@ -368,6 +368,43 @@ By default, the modules are not activated when a uenv is started, and need to be
cmake version 3.30.5
```

??? warning "bash: module: command not found"

Version 9.0.0 of uenv, installed on October 22 2025, has a bug that removes the module command on Santis and Clariden.

!!! note
The issue does not affect uenv in Slurm jobs, or on Daint and Eiger.

!!! note
A fix has been implemented, and will be installed as soon as possible.

Specifically, the `module` command is not available inside `uenv start` sessions:
```console
$ uenv start prgenv-gnu/24.11:v2 --view=modules
$ module avail
bash: module: command not found
```

The workaround is to manually load the module tool after starting your uenv session:

```console
$ uenv start prgenv-gnu/24.11:v2 --view=modules
$ source /usr/share/lmod/8.7.17/init/bash
$ module avail

-------------- /user-environment/modules ---------------
aws-ofi-nccl/git.v1.9.2-aws_1.9.2
boost/1.86.0
cmake/3.30.5
cray-mpich/8.1.30
cuda/12.6.0
fftw/3.3.10
fmt/11.0.2
gcc/13.3.0
...
```


#### Spack

uenv images provide a full upstream Spack configuration to facilitate building your own software with Spack using the packages installed inside as dependencies.
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