condasheet.md

Conda Virtual Env cheat sheet

Conda virtual env

---

• Find available conda envs

   conda env list

• Create a conda virtual env using path prefix (all packages get installed inside the venv dir)

   conda create --prefix /path/to/venv/destination

• Create a conda virtual env using a name (gets installd under the default conda_home_dir/envs)

   conda env create --file environment.yml

   conda create --name venvname

• Removing a conda venv

   conda remove --name venvname

   conda remove --prefix /path/to/venv/destination

Conda package management

---

• Conda get list of packages in current environment

   conda list -n venvname

   conda list --prefix /path/to/venv/destination

• Conda export a list of all packages currently installed in venv

   conda env export > environment.yml

• Conda export a list of packages you explicitly asked for

   conda env export --from-history > environment.yml

• Conda install packages
  • current active environment

     conda install numpy

  • specific environment

     conda install --name venvname

     conda install --prefix /path/to/to/venv/destination

  • install specific version

     conda install scipy=0.15.0

• Conda remove packages

   conda remove --name venvname scipy

   conda remove --prefix /path/to/venv/destination scipy

• Conda update packages

   conda update scipy

Conda meta

---

• Conda shorten the venvname prompt

   conda config --set env_prompt '({name})'