linux下python安装

    xiaoxiao2021-03-25  78

    LinuxPython升级步骤

    Step0: 打开网站https://www.python.org/ftp/python/,确定合适的python版本

    Python-3.4.3.tgz

     

    Step1: 可利用linux自带下载工具wget下载,如下所示

    [yuanmin1@localhostDownloads]# wget https://www.python.org/ftp/python/3.4.3/ Python-3.4.3.tgz

    或者

    [yuanmin1@localhost Downloads]# wgethttp://mirrors.sohu.com/python/3.4.3/Python-3.4.3.tgz

     

    step3:解压

    [yuanmin1@localhost Downloads]$ tar -xzvfPython-3.4.3.tgz

     

    Step4: 创建安装路径

    进入解压缩后的文件夹

    [root@localhost Python-3.4.3]# cd Python-3.4.3

     在编译前先在/usr/local建一个文件夹python3.4(作为python的安装路径,以免覆盖老的版本)

    [root@localhost Python-3.4.3]# mkdir /usr/local/python3.4

     

    Step5:开始编译安装

    [root@localhost Python-3.4.3]# ./configure --prefix=/usr/local/python3.4

    [root@localhost Python-3.4.3]# make

    [root@localhost Python-3.4.3]# make install

    Ignoring ensurepip failure: pip 6.0.8requires SSL/TLS

     

    Step6:安装问题解决

    [root@localhost Python-3.4.3]# yum  install openssl-devel

    [root@localhost Python-3.4.3]# make install #问题解决

     

    Step7: 此时没有覆盖老版本,再将原来/usr/bin/python链接改为别的名字

    [root@localhost bin]# mv python python2.6.6

     

    Step8:再建立新版本python的链接

    ln -s /usr/local/python3.4/bin/python3 /usr/bin/python

     

    step9: 验证

    关闭Terminal,重新打开Terminal,输入python,验证

    [yuanmin1@localhost ~]$ pyhon

    Python 3.4.3 (default, Dec 6 2015, 10:52:22)

    [GCC 4.4.6 20110731 (Red Hat 4.4.6-3)] onlinux

    Type "help","copyright", "credits" or "license" for moreinformation.

    >>>

    step10: 解决yum无法使用的问题

     #vim /usr/bin/yum

    将文本首行:

    #!/usr/bin/python  修改为(=>):  #!/usr/bin/python2.6.6

    step11: 解决pip多版本的问题

    [root@localhost python3.4]# pip install --upgrade pip [root@localhost python3.4]# pip --version pip 8.1.1 from /usr/local/python3.4/lib/python3.4/site-packages (python 3.4)

    补充,

    一、常用的工具下载链接:

    1Python下载地址:

    (1) 官方镜像

    https://www.python.org/ftp/python/

    (2)国内镜像

    http://mirrors.sohu.com/python/

     

    2、R下载地址

    https://www.r-project.org/

     

    3、Oracle与MySQL下载

    (1)英文下载地址

    http://www.oracle.com/technetwork/indexes/downloads/index.html

    (2)中文下载地址(速度更快)

    http://www.oracle.com/technetwork/cn/database/enterprise-edition/downloads/index.html

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