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calcoloscientifico:userguide:python

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calcoloscientifico:userguide:python [27/08/2025 17:47] – [Python virtualenv] fabio.spatarocalcoloscientifico:userguide:python [27/08/2025 18:13] (versione attuale) – fabio.spataro
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 ==== Python 2.7.14 virtualenv ==== ==== Python 2.7.14 virtualenv ====
  
-Create a virtual environment for "machine-learning":+Create a virtual environment for ''machine-learning'':
  
 <code> <code>
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 </code> </code>
  
-Activate "machine-learning" virtual environment:+Activate ''machine-learning'' virtual environment:
  
 <code> <code>
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 </code> </code>
  
-Install packages in "machine-learning" virtual environment:+Install packages in ''machine-learning'' virtual environment:
  
 <code> <code>
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 </code> </code>
  
-Deactivate "machine-learning" virtual environment:+Deactivate ''machine-learning'' virtual environment:
  
 <code> <code>
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 === Site installation === === Site installation ===
  
-Activate "opencv" virtual environment:+Activate ''opencv'' virtual environment:
  
 <code> <code>
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 ---- ----
  
-Activate "tensorflow" virtual environment:+Activate ''tensorflow'' virtual environment:
  
 <code> <code>
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 ---- ----
  
-Activate "tensorflow-gpu" virtual environment:+Activate ''tensorflow-gpu'' virtual environment:
  
 <code> <code>
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 === User installation === === User installation ===
  
-Create "opencv" virtual environment (just once):+Create ''opencv'' virtual environment (just once):
  
 <code> <code>
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 </code> </code>
  
-Update "opencv" virtual environment (every time you want to update):+Update ''opencv'' virtual environment (every time you want to update):
  
 <code> <code>
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 </code> </code>
  
-Activate "opencv" virtual environment:+Activate ''opencv'' virtual environment:
  
 <code> <code>
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 ---- ----
  
-Create "tensorflow" virtual environment (just once):+Create ''tensorflow'' virtual environment (just once):
  
 <code> <code>
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 </code> </code>
  
-Update "tensorflow" virtual environment (every time you want to update):+Update ''tensorflow'' virtual environment (every time you want to update):
  
 <code> <code>
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 </code> </code>
  
-Activate "tensorflow" virtual environment:+Activate ''tensorflow'' virtual environment:
  
 <code> <code>
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 ---- ----
  
-Create "tensorflow-gpu" virtual environment (just once):+Create ''tensorflow-gpu'' virtual environment (just once):
  
 <code> <code>
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 </code> </code>
  
-Update "tensorflow-gpu" virtual environment (every time you want to update):+Update ''tensorflow-gpu'' virtual environment (every time you want to update):
  
 <code> <code>
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 </code> </code>
  
-Activate "tensorflow-gpu" virtual environment:+Activate ''tensorflow-gpu'' virtual environment:
  
 <code> <code>
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 === User installation === === User installation ===
 +
 +Require a node with ''srun'':
 +
 +<code>
 +srun \
 +    --job-name=srun \
 +    --nodes=1 \
 +    --ntasks-per-node=1 \
 +    --cpus-per-task=1 \
 +    --time=0-01:00:00 \
 +    --mem=1G \
 +    --partition=cpu \
 +    --qos=normal \
 +    --pty \
 +    bash
 +</code>
  
 Create ''my_venv_with_jupyter'' virtual environment (just once): Create ''my_venv_with_jupyter'' virtual environment (just once):
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 mkdir -p "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter" mkdir -p "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter"
 python3 -m venv "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter" python3 -m venv "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter"
-. "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter/bin/activate"+source "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter/bin/activate"
 python3 -m pip install --upgrade pip python3 -m pip install --upgrade pip
 python3 -m pip install --upgrade jupyter notebook ipyparallel python3 -m pip install --upgrade jupyter notebook ipyparallel
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 <code> <code>
-. "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter/bin/activate"+source "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter/bin/activate"
 python3 -m pip install --upgrade pip python3 -m pip install --upgrade pip
 python3 -m pip install --upgrade jupyter notebook ipyparallel python3 -m pip install --upgrade jupyter notebook ipyparallel
 #python3 -m pip install --upgrade other_packages_for_my_project #python3 -m pip install --upgrade other_packages_for_my_project
 deactivate deactivate
-</code> 
- 
-Require a node with ''srun'': 
- 
-<code> 
-srun \ 
-    --job-name=srun \ 
-    --nodes=1 \ 
-    --ntasks-per-node=1 \ 
-    --cpus-per-task=1 \ 
-    --time=0-01:00:00 \ 
-    --mem=1G \ 
-    --partition=cpu \ 
-    --qos=normal \ 
-    --pty \ 
-    bash 
 </code> </code>
  
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 <code> <code>
-. "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter/bin/activate"+source "$HOME/local/tools/python/3.6.8/virtualenv/my_venv_with_jupyter/bin/activate"
 </code> </code>
  
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 Open another shell and run the following command: Open another shell and run the following command:
  
-ssh -N -L 127.0.0.1:*****:wn92.hpc.unipr.it:***** ***.***@login.hpc.unipr.it+ssh -N -L 127.0.0.1:*****:wn**.hpc.unipr.it:***** ***.***@login.hpc.unipr.it
  
 To access the notebook, open in a browser the URL which starts with To access the notebook, open in a browser the URL which starts with
calcoloscientifico/userguide/python.1756309636.txt.gz · Ultima modifica: da fabio.spataro
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