add more details regarding conda

admin-guide/configuration/conda.md

@@ -50,6 +50,7 @@ files::files:
     content: | 
       channels:
       - conda-forge
+      - nodefaults
 
       # Show channel URLs when displaying what is going to be downloaded
       # and in 'conda list'. The default is False.
@@ -66,3 +67,16 @@ source /opt/conda/etc/profile.d/conda.sh
 
 
 Afterwards conda environments can be created in a license conformed way as documented at https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html
+
+
+## Usage
+
+More details on the usage of the `conda` command can be found here:
+https://docs.conda.io/projects/conda/en/stable/user-guide/index.html
+
+```{info}
+It seems that the `conda list <package>` command still uses the default channel. However `conda install` seem to respect the config above.
+
+Probably related to this here:
+https://stackoverflow.com/questions/67695893/how-do-i-completely-purge-and-disable-the-default-channel-in-anaconda-and-switch
+```