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  • Linux下python2和python3共存

    python下载地址:

    https://www.python.org/ftp/python/3.4.4/Python-3.4.4.tar.xz
    

    下载命令:

    wget https://www.python.org/ftp/python/3.4.4/Python-3.4.4.tar.xz
    

    解压:

    tar xvf Python-3.4.4.tar.xz
    

    进入目录:

    cd Python-3.4.4
    

    将其安装在 /usr/local/ 里面:

    ./configure --prefix=/usr/local
    make
    make altinstall
    

    如果出错:

    checking for --enable-universalsdk... no
    

    需要安装下面命令:

    yum install gcc
    

    如果出现pip3未安装的情况:

    Ignoring ensurepip failure: pip 7.1.2 requires SSL/TLS
    

    记得写入以下命令:

    yum install openssl-devel
    

    然后再:

    make altinstall
    

    python应用程序目录:/usr/local/bin/python3.4
    pip3的执行文件:/usr/local/bin/pip3.4

    切记添加环境变量:

    #set python3.4,pip3.4
       export PYTHON_HOME=/usr/local/bin/
    

    让环境变量生效:

    source /etc/profile
    

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  • 原文地址:https://www.cnblogs.com/TTyb/p/6296061.html
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