ubuntu安装pyenv

1. 安装依赖包

sudo apt-get update

sudo apt-get install build-essential python-dev python-setuptools python-pip python-smbus

sudo apt-get install build-essential libncursesw5-dev libgdbm-dev libc6-dev

sudo apt-get install zlib1g-dev libsqlite3-dev tk-dev

sudo apt-get install libssl-dev openssl

sudo apt-get install libffi-dev

1. 安装pyenv

 git clone git://github.com/yyuu/pyenv.git ~/.pyenv

 echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc

 echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc

 echo 'eval "$(pyenv init -)"' >> ~/.bashrc

 exec $SHELL -l

1. 安装 python3.7.0

pyenv install 3.7.0 -v

3.1 安装完成之后，需要使用如下命令对数据库进行更新：

pyenv rehash

3.2 查看已经安装的python版本：

pyenv versions

* system (set by /root/.pyenv/version)

3.7.0

1. 设置全局python版本

pyenv global 3.7.0

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pyenv快速入门