ubuntu 命令行下安装python3

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ubuntu 命令行下安装python3
非root sudo

1. apt-get install build-essential checkinstall

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1. apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev \
   
2.     libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev libffi-dev zlib1g-dev

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下载python3.8

1. cd /opt
   

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1. wget https://www.python.org/ftp/python/3.8.2/Python-3.8.2.tgz

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解压

1. tar xzf Python-3.8.2.tgz

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编译

1. cd Python-3.8.2

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1. ./configure --enable-optimizations

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1. make altinstall

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检查版本

1. python3.8 -V

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删掉压缩包

1. cd /opt

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1. rm -f Python-3.8.2.tgz

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