linux安装 python 环境

1，安装依赖包与其他依赖包

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1yum -y install gcc

2yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel

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2，下载

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1wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz

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3，解压并且移动到 /usr/local/ 目录

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1tar -zxvf Python-3.6.8.tgz 

2mv Python-3.6.8 /usr/local/

3cd /usr/local/Python-3.6.8/

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4，建立一个空文件夹，用于存放python3程序

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1mkdir /usr/local/python3

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5，执行配置文件，编译，编译安装

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1./configure --prefix=/usr/local/python3

2make && make install

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6，建立软链接

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1ln -s /usr/local/python3/bin/python3.6 /usr/bin/python3

2ln -s /usr/local/python3/bin/pip3.6 /usr/bin/pip3

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7，测试是否安装成功

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1python3

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输出版本号表示安装成功了