Ubuntu 22.04 に Python 3.10 をインストール（OS標準）

はじめに

Ubuntu 22.04にPython 3.10をインストール

LOG

インストール

# cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy

# apt update; apt install -y python3
... 略

各種確認

# which python{,2,3}
/usr/bin/python3

# ll /usr/bin/python*
lrwxrwxrwx 1 root root      10 Mar 25 12:41 /usr/bin/python3 -> python3.10*
-rwxr-xr-x 1 root root 5901416 Apr  2 09:04 /usr/bin/python3.10*

# python3 -V
Python 3.10.4

# apt show python3
Package: python3
Version: 3.10.4-0ubuntu2
Priority: important
Section: python
Source: python3-defaults
Origin: Ubuntu
Maintainer: Ubuntu Developers <[e-mail]>
Original-Maintainer: Matthias Klose <[e-mail]>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 92.2 kB
Provides: python3-profiler
Pre-Depends: python3-minimal (= 3.10.4-0ubuntu2)
Depends: python3.10 (>= 3.10.4-1~), libpython3-stdlib (= 3.10.4-0ubuntu2)
Suggests: python3-doc (>= 3.10.4-0ubuntu2), python3-tk (>= 3.9.10-2~), python3-venv (>= 3.10.4-0ubuntu2)
Replaces: python3-minimal (<< 3.1.2-2)
Homepage: https://www.python.org/
Task: minimal, server-minimal
Download-Size: 22.8 kB
APT-Manual-Installed: yes
APT-Sources: http://archive.ubuntu.com/ubuntu jammy/main amd64 Packages
Description: interactive high-level object-oriented language (default python3 version)