1 安装依赖包
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make
2下载
执行wget命令直接下载到服务器:wget https://www.python.org/ftp/python/3.5.1/Python-3.5.1.tgz
解压 tar-xzvf Python-3.5.1.tgz
cd Python-3.5.1
执行 ./configure --prefix=/usr/local/python/python3 编译安装后的目录为
make && make install
因为系统已经安装的python2.7.5版本
查看已经安装的版本 python -V
在目录下ls /usr/python*
覆盖原链接
ln -sb /usr/local/python/python3/bin/python3 /usr/bin/python
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