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other:uvcdat:cdat_conda:cdat_8_0_py2 [2021/02/26 16:03] jypeter Updated the Miniconda3 install instructions |
other:uvcdat:cdat_conda:cdat_8_0_py2 [2021/02/27 13:55] jypeter [Installing Miniconda3] |
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==== Installing Miniconda3 ==== | ==== Installing Miniconda3 ==== | ||
- | * You don't need to be //root// when you install Miniconda3 (actually **you should not be //root//**) | + | * You don't need to be (and **you should not be**) //root// when you install Miniconda3. You just need enough disk space where you have write access |
* If you are installing Miniconda3 in a Linux environment on a [[other:win10wsl|Windows 10 computer using Windows Subsystem for Linux (WSL)]], pay special attention to the instructions on the **WSL** lines | * If you are installing Miniconda3 in a Linux environment on a [[other:win10wsl|Windows 10 computer using Windows Subsystem for Linux (WSL)]], pay special attention to the instructions on the **WSL** lines | ||
- | We have installed a new version of Miniconda3 (steps below adapted from the [[other:uvcdat:conda_notes#installing_miniconda|installing miniconda]] instructions) | + | The steps below are adapted from the older (but with lots of extra and possibly useful details) [[other:uvcdat:conda_notes#installing_miniconda|installing miniconda]] instructions |
* Get the [[https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh|Python 3.8 Linux 64-bit (bash installer)]] (unless there is a [[https://conda.io/miniconda.html|more recent version?]]) | * Get the [[https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh|Python 3.8 Linux 64-bit (bash installer)]] (unless there is a [[https://conda.io/miniconda.html|more recent version?]]) | ||
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* e.g. WSL, assuming that there is a ''C:\Scratch\<your_login>'' directory:\\ ''cd /mnt/c/Scratch/<your_login>'' | * e.g. WSL, assuming that there is a ''C:\Scratch\<your_login>'' directory:\\ ''cd /mnt/c/Scratch/<your_login>'' | ||
* Use ''wget'' to download the installer:\\ ''wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh'' (90 Mb, 26 Feb 2021) | * Use ''wget'' to download the installer:\\ ''wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh'' (90 Mb, 26 Feb 2021) | ||
+ | |||
* Execute the installer | * Execute the installer | ||
* ''bash Miniconda3-latest-Linux-x86_64.sh'' | * ''bash Miniconda3-latest-Linux-x86_64.sh'' | ||
* Accept the license | * Accept the license | ||
- | * Specify an explicit installation path **outside of the home directory**, with enough disk space (more than 3G if you are going to install UV-CDAT and some extra packages), preferably on a disk that is not backed up: | + | * Note: at the end of the installation (next step), **answer //no// to the following question**, so that the installer does not change your existing shell initialization files!\\ ''Do you wish the installer to initialize Miniconda3 by running conda init? [yes|no]'' => **NO** |
- | * Linux LSCE: ''/home/share/unix_files/cdat/miniconda3'' | + | * Specify an explicit installation path **outside of your //home// directory**, with enough disk space (more than 3 Gb if you are going to install CDAT and some extra packages), preferably on a disk that is not backed up: |
- | * Linux ciclad: ''/data/jypmce/cdat/miniconda3'' | + | * Installations by //JYP//: |
- | * WSL: installing to a directory that is not in ''/home/'' <wrap hi>does not work</wrap> (e.g. ''/mnt/h/CDAT/miniconda3'',assuming there is a ''H:\CDAT\'' directory, does not work)\\ Need to accept the installation in the default location: ''/home/jypeter/miniconda3'' | + | * Linux at LSCE: ''/home/share/unix_files/cdat/miniconda3'', or another subdirectory of ''/home/share/unix_files/cdat/'' |
- | * Resulting ''miniconda3'' directory size is 302M\\ <code> >du -sh miniconda3 | + | * Linux on ciclad: ''/data/jypmce/cdat/miniconda3'', or another sub-directory of ''/data/jypmce/cdat/'' |
- | 302M miniconda3 | + | * WSL: installing to a directory that is not in ''/home/'' <wrap hi>does not work</wrap> (e.g. ''/mnt/h/CDAT/miniconda3'',assuming there is a ''H:\CDAT\'' directory, does not work)\\ You need to accept the installation in the default location: ''/home/<your_login>/miniconda3'' |
- | >cd miniconda3 | + | * The resulting ''miniconda3'' directory size is 342M\\ <code> > du -sh miniconda3 |
- | /home/share/unix_files/cdat/miniconda3 | + | 342M miniconda3 |
- | >du -sh * | + | |
- | 6.3M bin | + | > cd miniconda3 |
- | 2.0M compiler_compat | + | |
- | 524K conda-meta | + | > du -sh * |
- | 4.0K envs | + | 20M bin |
- | 28K etc | + | 0 compiler_compat |
- | 5.2M include | + | 4.0K condabin |
- | 146M lib | + | 684K conda-meta |
- | 8.0K LICENSE.txt | + | 0 envs |
- | 142M pkgs | + | 16K etc |
- | 928K share | + | 5.5M include |
- | 92K ssl | + | 4.0K info |
- | 12K x86_64-conda_cos6-linux-gnu</code> | + | 198M lib |
- | * Accept the automatic update of the //PATH// variable in ''.bashrc'' (note: the installer automatically creates a backup of ''.bashrc''). This will some extra lines at the end of ''.bashrc'' used by the //old-style conda initialization// (we will later switch to the //new-style//). The added lines should look like: | + | 12K LICENSE.txt |
- | * ''# added by Miniconda3 installer''\\ ''export PATH="/home/share/unix_files/cdat/miniconda3/bin:$PATH"'' | + | 114M pkgs |
- | * ''# added by Miniconda4.xxx installer''\\ ''[some really fancy bash shell commands]'' | + | 604K share |
- | * Remove the installer: ''rm Miniconda3-latest-Linux-x86_64.sh'' | + | 4.0K shell |
- | * Open a new terminal (if you use bash) or open a new terminal and type ''bash'' | + | 0 ssl |
- | * check if the python from the conda distribution has been correctly installed\\ <code> > bash | + | 0 x86_64-conda_cos6-linux-gnu</code> |
+ | |||
+ | * Initialize the newly installed conda environment: | ||
+ | * bash shell: ''source <installation_path>/miniconda3/etc/profile.d/conda.sh'' | ||
+ | * tcsh shell: ''source <installation_path>/miniconda3/etc/profile.d/conda.csh'' | ||
+ | |||
+ | * Check if you can use the ''conda'' command, and use it to initialize the //base// environment | ||
+ | * <code>$ which conda | ||
+ | <installation_path>/miniconda3/condabin/conda | ||
$ which python | $ which python | ||
- | /home/share/unix_files/cdat/miniconda3/bin/python | + | /usr/bin/python |
- | $ which conda | + | $ conda activate |
- | /home/share/unix_files/cdat/miniconda3/bin/conda</code> | + | (base) $ which python |
- | * Update and clean the new installation\\ <code>$ conda update --all | + | <installation_path>/miniconda3/bin/python</code> |
- | $ du -sh /home/share/unix_files/cdat/miniconda3 | + | * Update the new installation |
- | 515M /home/share/unix_files/cdat/miniconda3 | + | * <code>$ conda update --all |
- | $ conda clean --all | + | |
- | $ du -sh /home/share/unix_files/cdat/miniconda3 | + | |
- | 270M /home/share/unix_files/cdat/miniconda3 | + | |
- | $ conda list | + | |
- | # packages in environment at /home/share/unix_files/cdat/miniconda3: | + | |
- | # | + | |
- | # Name Version Build Channel | + | |
- | [...] | + | |
- | python 3.7.1 h0371630_3 | + | |
- | readline 7.0 h7b6447c_5 | + | |
- | requests 2.20.0 py37_0 | + | |
[...]</code> | [...]</code> | ||
+ | * During the update, the ''miniconda3'' directory size goes from 432 Mb to 581 Mb. This directory will keep on growing, which is the reason why you should put it on a (preferably non backed up) disk where you have //enough// space | ||
+ | |||
+ | * Make sure we have the latest ''conda'' (just in case we did not get it with the //update//)\\ ''conda update -n base -c defaults conda'' | ||
+ | |||
+ | * Remove the installer:\\ ''rm Miniconda3-latest-Linux-x86_64.sh'' | ||
==== Post-Miniconda3 installation ==== | ==== Post-Miniconda3 installation ==== |