other:uvcdat:cdat_conda:miniconda3_install
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other:uvcdat:cdat_conda:miniconda3_install [2024/04/24 12:41] jypeter [Before installing Python on a shared computer] Added real content |
other:uvcdat:cdat_conda:miniconda3_install [2024/05/29 13:57] (current) jypeter [Updating (Mini)conda] |
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| ===== Before installing Python on a shared computer ===== | ===== Before installing Python on a shared computer ===== | ||
| - | Check if the Python packages you need are already installed, before installing your own Python on shared Linux servers, or on a shared cluster !! | + | ==== Desperately seeking a specific package ==== |
| + | |||
| + | Check if the Python package you are [[https://www.imdb.com/title/tt0089017/|desperately seeking]] is not already installed, before installing your own Python on shared Linux servers, or on a shared cluster !! | ||
| * Ask other users who know the local environment | * Ask other users who know the local environment | ||
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| </code> | </code> | ||
| - | * If the packages you need are not available, it may be faster and easier to ask the local system administrators if they can install the packages, rather than doing everything yourself | + | * Lots of Python packages do very similar things. Maybe you can use another installed package... |
| + | |||
| + | * If the packages you need are not available, it may be faster and easier to ask the local system administrators if they can install the packages, rather than doing everything yourself | ||
| + | |||
| + | ==== Using a specific Python on a jupyter server ==== | ||
| + | If there is a //jupyter notebook server// connected to your system, but the Python you want to use is not available on the server, follow the [[other:python:starting#using_a_non-standard_kernel|using a non-standard kernel]] instructions, rather than starting your own local server | ||
| ===== Why should you use Miniconda3 ? ===== | ===== Why should you use Miniconda3 ? ===== | ||
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| * Check the current version of ''conda'' | * Check the current version of ''conda'' | ||
| - | * <code>$ conda list -n base | grep conda | + | * <code>$ conda list -n base | grep '^conda' |
| # packages in environment at /path_to_miniconda: | # packages in environment at /path_to_miniconda: | ||
| conda 24.1.2 py312h06a4308_0 | conda 24.1.2 py312h06a4308_0 | ||
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| ==== Installation history ==== | ==== Installation history ==== | ||
| + | You can get the current list of installed packages with ''conda list -n existing_environment'', but it may also be useful to know in which order the packages were installed: | ||
| + | * ''conda list -n existing_environment %%--%%revisions'': display **exactly** what was installed and when (including the updates, and automatic dependencies installation) | ||
| + | * You can theoretically roll back to a previous ''RR'' //revision// number with: ''conda install -n existing_environment %%--%%revision RR'' | ||
| + | * There is more information in the ''/path_to_miniconda/conda-meta/history'' installation log files. | ||
| + | * ''base'' history file: ''/path_to_miniconda/conda-meta/history'' | ||
| + | * ''existing_environment'' history file: ''/path_to_miniconda/envs/existing_environment/conda-meta/history'' | ||
| + | * e.g. installation commands for the ''base'' environment:\\ <code> $ egrep -e 'cmd:' -e '==>' /homedata/jypmce/miniconda3_2024-03/conda-meta/history | ||
| + | |||
| + | ==> 2024-02-23 18:39:23 <== | ||
| + | # cmd: constructor /tmp/tmp.4um5tGKcqW/miniconda3/ --output-dir /tmp/tmp.4um5tGKcqW | ||
| + | ==> 2024-03-27 16:10:01 <== | ||
| + | # cmd: /homedata/jypmce/miniconda3_2024-03/bin/conda update -n base --all | ||
| + | ==> 2024-03-28 11:38:08 <== | ||
| + | [...] | ||
| + | ==> 2024-04-24 17:47:32 <== | ||
| + | # cmd: /homedata/jypmce/miniconda3_2024-03/bin/conda update -n base --all</code> | ||
| + | * You can also, use a script and the ''conda'' module available **in the ''base'' environment**: [[https://github.com/conda/conda/issues/4545#issuecomment-469984684|example]] | ||
| ===== Uninstalling Miniconda3 ===== | ===== Uninstalling Miniconda3 ===== | ||
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| * ''Start'' => ''Settings'' => ''Apps'' => ''Apps & features'' | * ''Start'' => ''Settings'' => ''Apps'' => ''Apps & features'' | ||
| * Select ''Miniconda3 py3xxxxx'' | * Select ''Miniconda3 py3xxxxx'' | ||
| - | * Click on ''Uninstall'' and follow the instructions displayed by the uninstaller window\\ This will remove: | + | * Click on ''Uninstall'' and follow the instructions displayed by the uninstaller window |
| - | * The (very big) directory that you specified when you installed //Miniconda3// | + | * This will remove: |
| - | * The ''conda'' shortcuts from the ''Start Menu'' | + | * The (very big) directory that you specified when you installed //Miniconda3// |
| + | * The ''conda'' shortcuts from the ''Start Menu'' | ||
| + | * This will **not** remove your local configuration file ''C:\Users\your_login\.condarc'' | ||
| ==== Linux-like computer ==== | ==== Linux-like computer ==== | ||
| + | |||
| + | FIXME | ||
other/uvcdat/cdat_conda/miniconda3_install.1713962477.txt.gz · Last modified: 2024/04/24 12:41 by jypeter
