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Conoha VPS (Ubuntu)にPython3をインストールする

Last updated at Posted at 2021-02-25

apt をアップデート、アップグレード

apt update
apt upgrade

なお、「apt upgrade」は結構時間がかかる。

#make gcc make build-essential する。

apt install -y make gcc
apt install -y make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev xz-utils

#git clone

git clone https://github.com/yyuu/pyenv.git ~/.pyenv
git clone https://github.com/yyuu/pyenv-virtualenv.git ~/.pyenv/plugins/pyenv-virtualenv

#profile をvimで編集

vi ~/.profile

#profile に以下を追記

export PYENV_ROOT=$HOME/.pyenv
export PATH=$PYENV_ROOT/bin:$PATH
eval "$(pyenv init -)"

#再読み込みする

source ~/.profile

#libffi-devをインストール

sudo apt install libffi-dev

#python3 をインストール

pyenv install 3.7.3 
pyenv global 3.7.3

#参考にした記事
conohaでVPS借りたのでとりあえずubuntuでpython3系起動するまで
http://auau.hatenablog.com/entry/2019/06/07/130927
pyenvで3.7系のインストールに失敗したときのメモ
https://qiita.com/hitochan777/items/941d4422c53978b275f8

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