Ubuntu 22.04 LTSでpython3.10をデフォルトに設定する方法

環境
Ubuntu 22.04 LTS

書式

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sudo update-alternatives --install /usr/bin/python python pythonディレクトリのパス 0
sudo update-alternatives --install /usr/bin/python python pythonディレクトリのパス 0
sudo update-alternatives --install /usr/bin/python python pythonディレクトリのパス 0

操作方法
1.Python3をデフォルトにします

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# sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.10 0
update-alternatives: using /usr/bin/python3.10 to provide /usr/bin/python (python) in auto mode
# sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.10 0 update-alternatives: using /usr/bin/python3.10 to provide /usr/bin/python (python) in auto mode
# sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.10 0
update-alternatives: using /usr/bin/python3.10 to provide /usr/bin/python (python) in auto mode

2.バージョンを確認します

方法1

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# python --version
Python 3.10.4
# python --version Python 3.10.4
# python --version
Python 3.10.4

方法2

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# python -V
Python 3.10.4
# python -V Python 3.10.4
# python -V
Python 3.10.4

 

Ubuntu 22.04

Posted by arkgame