linux升级python到2.7
一、下载python2.7安装包
# wget https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tgz
二、解压
# tar -zxf Python-2.7.12.tgz # cd Python-2.7.12
三、新建安装目录，防止覆盖旧版本
# mkdir /usr/local/python27
四、安装
# cd Python-2.7.12 # ./configure --prefix=/usr/local/python27 # make && make install
五、旧版python改名
# mv /usr/bin/python /usr/bin/python24
六、创建链接到新版本
# ln -s /usr/local/python27/bin/python2.7 /usr/bin/python
七、测试
# python Python 2.7.12 (default, Sep 2 2016, 09:17:20) [GCC 4.1.2 20080704 (Red Hat 4.1.2-55)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>>
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