Python environment setup

Conda

# Creating environments
conda create -n <env-name> python=3.0

# To add packages while creating an environment, specify them after the environment name
conda create -n myenvironment python numpy pandas

# Listing environments
conda info --envs

# remote an environment
conda remove -n ENV_NAME --all

# Installing packages
## via environment activation
conda activate myenvironment
conda install matplotlib
## via command line option
conda install --name myenvironment matplotlib

# update package
conda update package_name
pip install --upgrade package_name

## version
conda --version

Jupyter

conda create -n my-conda-env         # creates new virtual env
conda activate my-conda-env          # activate environment in terminal
conda install jupyter                # install jupyter + notebook
jupyter notebook                     # start server + kernel inside my-conda-env

version: 3.6
services:
  jupyter_notebook:
    build:
      context: jupyter-notebook/
      args:
        TAG_VERSION: x86_64-ubuntu-22.04
    container_name: jupyter_notebook
    user: root
    command: start-notebook.py --NotebookApp.token=$JUPYTER_TOKEN
    volumes:
      - /mnt/ssd/jupyter/notebook:/home/jean
    environment:
      - JUPYTER_TOKEN=$JUPYTER_TOKEN
      - NB_USER=jean
      - NB_UID=1000
      - NB_GID=100
      - CHOWN_HOME=yes
    working_dir: /home/jean
    ports:
      - 10088:8888

ARG TAG_VERSION

FROM quay.io/jupyter/base-notebook:${TAG_VERSION}

RUN pip install --no-cache-dir matplotlib numpy pandas

early version installtion on mac

curl -OL http://www.python.org/ftp/python/2.6.7/Python-2.6.7.tgz
tar xzvf Python-2.6.7.tgz
cd Python-2.6.7
./configure --prefix=/usr/local --enable-shared
make
make install

early version install on kali linux

cd /opt
sudo wget https://www.python.org/ftp/python/2.6.6/Python-2.6.6.tgz
sudo tar -xf Python-2.6.6.tgz -C .
cd Python-2.6.6
sudo ./configure --enable-optimizations
sudo make altinstall
sudo update-alternatives --install /usr/bin/python python /usr/local/bin/python2.6 1
python --version
sudo update-alternatives --install /usr/bin/python python /usr/bin/python2.7 2

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 2

update-alternatives --list python
update-alternatives --list python3