Differences

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--- other:uvcdat:cdat_conda:miniforge_install [2025/09/18 16:59] – [Windows computer] Updated for Miniforge jypeter
+++ other:uvcdat:cdat_conda:miniforge_install [2025/09/19 15:02] (current) – [Miniforge3 on a Windows computer] More details jypeter
@@ Line 110: / Line 110: @@
       * We recommend installing [[other:win10apps#windows_terminal|Windows Terminal]] and making it the default terminal for using Powershell
-  * Use ''curl'' to download the latest installer (71 Mb as of September 2025): <code>PS C: cd C:\Scratch\your_login
+  * Use ''curl'' to download the latest installer (71 Mb as of September 2025): <code>PS C:\> cd C:\Scratch\your_login
 PS C:\Scratch\your_login> curl https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Windows-x86_64.exe -o miniforge3.exe
 PS C:\Scratch\your_login> dir miniforge3.exe
 [...]
@@ Line 136: / Line 138: @@
   * When the installer has finished running, you should have:
     * A new ''C:\Utils\miniforge3_2025-09'' folder
-      * This folder size will be ~300 Mb and will keep on growing (up to several Gb) as you add more Python environments and packages
+      * This folder size will be ~300 Mb (as of September 2025) and will keep on growing (up to several Gb) as you add more Python environments and packages
         * => **Be sure to have enough space on the installation disk!**
     * A new shortcut in the Windows ''Start''=>''M''=>''Miniforge3'' menu:
       * ''Miniforge Prompt''
-        * **We will now use this //Anaconda Powershell// shortcut each time we need to use Miniconda3 or Python**
+        * We will now use this ''Miniforge Prompt'' shortcut each time we need to use a ''conda'' or ''python'' related to this installation of miniforge3
       * We recommended to [[other:win10apps#windows_terminal|installing Windows Terminal and making it the default terminal application]], so that the ''conda'' prompts will open in a modern (and highly configurable) terminal
@@ Line 188: / Line 190: @@
  'C:\\Utils\\miniforge3_2025-09\\Lib\\site-packages']
 >>> ^Z</code>
+  * Check if ''conda-forge'' is the default and only channel that conda will use to update the newly installed ''base'' environment, and future environments
+    * The ''%%--%%get channels'' command should only mention ''%%'%%conda-forge%%'%%''<code>(base) C:\Users\jypeter>conda config --get channels
+--add channels 'conda-forge'   # lowest priority</code>
+    * If you get something else, you may have a ''.condarc'' configuration file left over from a previous ''conda'' installation. Depending on its content, you may have to remove or edit the ''.condarc'' file, or it may be OK to leave it unchanged
+      * Example: you use a ''cmd'' terminal, and there is NO existing ''.condarc'' file<code>(base) C:\Users\your_login>more %HOMEPATH%\.condarc
+Impossible d’accéder au fichier C:\Users\your_login\.condarc</code>
+      * Example: you use a Powershell terminal, and there is a configuration file. The configuration below is OK, because it only mentions the ''%%'%%conda-forge%%'%%'' channel we want<code>(base) PS C:\Users\your_login> more $HOME\.condarc
+channels:
+  - conda-forge
+channel_priority: strict</code>
   * **Next**: follow **all** the other Miniforge3 related instructions for the other Operating Systems
@@ Line 898: / Line 911: @@
     * [[https://docs.conda.io/projects/conda-build/en/latest/resources/package-spec.html#package-match-specifications|conda Package match specifications]]
     * [[https://conda.io/projects/conda/en/latest/dev-guide/api/conda/models/match_spec/index.html#conda.models.match_spec.MatchSpec|Documentation in the MatchSpec class]]
-===== Uninstalling Miniconda3 =====
+===== Uninstalling Miniforge3 =====
 ==== Windows computer ====