Small tutorial with starting steps and templates for using **conda/mamba** on the servers of Fachbereich 8.4
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- miniforge under Windows -> Softwarecenter
- use either system python installation or install custom versions via **conda/mamba**
- change template `.condarc` to desired directories for saving packages and environments
- revert previous bash etc. initalisations via `conda init --reverse`
- central location for **conda/mamba** executables **on servers only**
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If you are using *Windows*, you can find the "official" PTB **miniforge** installation in the *Softwarecenter*
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On the compute servers, a central installation of both **conda** and **mamba** is provided. **mamba** is functionally identical to **conda**, it is just a faster reimplementation in *C++*, use whichever you prefer, the commands are identical.
The executables of both programs are located in the `/home/admin84/shared_public`, which should be configured on all servers the be included in `$PATH`. You can verify you are using the correct executable by running `conda info`. If this returns a different location than above, please remove your personal previous installation of (ana)**conda** first.
If you have used **conda** before, you have update you **bash** initialisation first by running
```
conda init --reverse
conda init
```
You can use the `.condarc` template provided here to customise the locations where your environments and package caches are located when using **conda**. Please consider using the *san* for you paths to avoid cluttering the local drives.
**Conda** will be default use the *python* version which is installed on the host machine, but you can use any supported version when creating new environments, e.g.
The default channel configured is *conda-forge*, which is still permitted by PTB. Please do not override this when creating new environments unless you are 100% certain that the licence of the channel in question permits use by PTB. When in doubt, please ask.
If any problems arise or you have further questions, please contact [me](oliver.henze@ptb.de) and I will amend this document with clarifications and answer questions.
