安装Node。依次执行三行命令（安装wget、下载Node、解压Node）yum-yinstallgccmakegcc-c++openssl-develwgetwgetnpm.taobao.org/mirrors/node/v8.4.0/node-v8.4.0-linux-x64.tar.xztar-vxfnode-v8.4.0-linux-x64.tar/etc/profile添加（备注地址）#node（注释）exportNODE_HOME=/usr/src/node-v8.4.0-linux-x64exportPATH=$PATH:$NODE_HOME/binexportNODE_PATH=$NODE_HOME/lib/node_modules配置生效source/etc/profile检查版本node-vupgradePythonconfirmdependencyyum-ygroupinstalldevelopmentyum-yinstallzlib-develdownload包（如果觉得慢，先下载到本地再用Winscp上传到服务器）wgethttps://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xztarxJfPython-3.6.2.tar.xzcdPython-3.6.2编译./configuremakemakeinstallwhichpython3python3-V安装成功，查看环境变量echo$PATH发现没有3，添加PATH=$PATH:/usr/bin/local/python/bin/python3.6查看默认版本，还是2，然后删除python/usr/bin，删除python2.7，建立连接ln-s/usr/local/bin/python/bin/python./python试试python，3.6安装成功
