- Open Terminal (if it’s not already open)
2. Configure update-alternatives:
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 40 sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 60sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 10sudo update-alternatives --config gccsudo update-alternatives --config g++
3. upgrade python 3.9
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python2.7 2
sudo update-alternatives --config python3- Creating a Virtual Environment
python3 -m venv <name_of_virtualenv>
eg.
python3 -m venv venv
2. Activating a Virtual Environment in the Terminal
Windows:
.\<name_of_virtualenv>\Scripts\activate
eg.
.\venv\Scripts\activate
Ubuntu:
source <name_of_virtualenv>\Scripts\activate
eg.
source venv\bin\activate
3. Deactivating a Virtual Environment
deactivate
