centOS 7下python2升级为p

发布时间:2019-09-18 07:38:40编辑:auto阅读(1487)

    ###  centos 7 下升级python2到3

    ###  centos 7下python自带版本为2.7,但是今天需要用到3,所以升级了一下

    ###  首先安装依赖包
    ~~~
    yum -y groupinstall "Development tools"
    yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
    ~~~
    ###  然后根据需求选择自己需要的python3版本
    ~~~
    wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz
    ~~~
    ####  小提示:如果你的服务器显示找不到wget这个命令的话用yum安装一下就好。一般最小化安装会出现这个问题
    ~~~
    yum install -y wget
    ~~~

    ###  建立一个空文件夹

    ###  然后解压压缩包,进入该目录,安装Python3
    ~~~
    mkdir /usr/local/python3
    tar -xvJf  Python-3.6.2.tar.xz
    cd Python-3.6.2
    ./configure --prefix=/usr/local/python3
    make && make install
    ~~~

    ###  然后创建一下软链接就好了

        [root@jinch Python-3.6.2]# ln -s /usr/local/python3/bin/python3 /usr/bin/python3
        [root@jinch Python-3.6.2]# ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
        [root@jinch Python-3.6.2]# python3
        Python 3.6.2 (default, Aug  3 2018, 15:15:12)
        [GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux
        Type "help", "copyright", "credits" or "license" for more information.
        >>>

    ###  -over-

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