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python2升级成python3

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Jul 08, 2017 pm 06:13 PM

python2python3升级

系统环境centos 6.5<br>原python版本2.6.6<br>目标python版本3.5.1<br>1.下载python3.5<br>wget --no-check-certificate  <br>2.解压文件 编译 安装<br>  tar -xvzf Python-3.3.0.tgz<br>  cd Python-3.3.0<br>  ./configure --prefix=/home/python/soft_install/python3.3/<br>  make<br>  make install<br>  进入 安装目录下的bin目录，检查是否安装成功<br>  ./python3.3 -V    ---如果安装成功则会显示安装的版本号<br>  修改默认的python ，重新建立软链接<br>  ln -s /home/python/soft_install/python3.3/bin/python3.3 /usr/bin/python<br><br>

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