python2.7 version 2.7.18 is available in the Ubuntu 22.04 default repositories. Ubuntu 22.04 is the last LTS version of Ubuntu that contains this package in its default repositories. The phrase "I installed the new Ubuntu 22.04" in your question worries me because the newest Ubuntu LTS is not Ubuntu 22.04; it's Ubuntu 24.04. Please run lsb_release -a to confirm what version of Ubuntu you are using.
The expected results of lsb_release -a are:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.5 LTS
Release: 22.04
Codename: jammy
To install python2.7 in Ubuntu 22.04 open the terminal and type:
sudo apt update
sudo apt install python2.7
Ubuntu 24.04
To install the python2.7 package from the Ubuntu 22.04 default repositories in Ubuntu 24.04 open the terminal and type:
sudo apt update
wget http://security.ubuntu.com/ubuntu/pool/universe/p/python2.7/python2.7_2.7.18-13ubuntu1.5_amd64.deb http://security.ubuntu.com/ubuntu/pool/universe/p/python2.7/libpython2.7-stdlib_2.7.18-13ubuntu1.5_amd64.deb http://security.ubuntu.com/ubuntu/pool/universe/p/python2.7/python2.7-minimal_2.7.18-13ubuntu1.5_amd64.deb http://security.ubuntu.com/ubuntu/pool/universe/p/python2.7/libpython2.7-minimal_2.7.18-13ubuntu1.5_amd64.deb
sudo apt install ./libpython2.7-minimal_2.7.18-13ubuntu1.5_amd64.deb ./libpython2.7-stdlib_2.7.18-13ubuntu1.5_amd64.deb ./python2.7-minimal_2.7.18-13ubuntu1.5_amd64.deb ./python2.7_2.7.18-13ubuntu1.5_amd64.deb
Answer from karel on askubuntu.comWhat is the safest way to work with Python 2 on Ubuntu 24.04?
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Hi all! I just started a new job that is having me analyze/write code in Python 2. The reason it is Python 2 and not Python 3 is because we are supporting older systems that require it, and our code must be backwards compatible with these systems.
With that said, the workstation they've supplied me is running Ubuntu 24.04, and I'm at wits end as to how I can SAFELY run Python 2 code on it. From what I've gathered, recent versions of Ubuntu depend on Python 3 packages so it isn't as simple as adding a legacy apt repo and installing Python 2 - it would break my OS.
So, the question remains: How can I safely work with Python 2 without bricking my OS? Do I need to containerize or use virtualization? Thank you!