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You should be able to get (MYENV) as prefix in the terminal command line. Step-5: Activate the virtualenv $ source MYENV/bin/activate Step-4: set the path of virtualenv to the created(desired) directory- $ sudo virtualenv -p python3 MYENV It will create a folder in the current directory with the name 'MYENV' Lets first create a desired directory- $ mkdir MYENV Step-3: Now set the path of virtualenv to your desired directory. ![]() INSTALL PYTHON 3.5 UBUNTU INSTALLStep-2: Now install 'virtualenv'- $ pip install virtualenv ![]() INSTALL PYTHON 3.5 UBUNTU UPDATEStep-1: First install python3 - $ sudo apt-get update This is a module inside python which facilitates us to use multiple python versions on the same system. So, to use the latest version of python, it would be better to go for creating a virtual environment ('virtualenv'). It is recommended that we don't try to modify/uninstall this default package of python because there could be many other system files/applications depending on it, and it might create some unexpected errors or issues if we uninstall this default python package. To check the default python version, run below line $ python -V So I put the python link to version 3.9 in /usr/local/bin and aliased that link in the development user's environment.As you must have already noticed that Ubuntu 16.04 has 'python 2.7.12' by default. )įinally, I didn't want to run the newest version of python 3 and pip everywhere in my system-only for the development user. No major harm-only an hour or two spent, plus a little time recovering from a panic attack. Happily, my mistake was reversible: re-install python 3.5 and the dependent utilities using the apt log as a guide. Removing python3.5 would brick the system by removing many utilities that depend on python (the -y OPTION adds insult to injury). This step is not necessary if there was no default python3 installed on your machine (or if removing it disables a lot of other things you depend on -s) Remove the current python3.5.x version from your machine. Crucial was understanding that I really didn't want to follow this step: Thank you for this guidance.įor now, I'm running Ubuntu 16.05 and it took two attempts to get the python 3.9 install working. Your March 2021 post at was quite helpful. The email is published without modification, I've only slightly changed the formatting I have received an email which might come handy for some of you. RUN ln -sf /usr/bin/python3.9 /usr/bin/python3 # Create a python3 symlink pointing to latest python version RUN DEBIAN_FRONTEND=noninteractive apt-get -y install
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