cd /usr/local mkdir python37 cd python37 wget wget https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tar.xz tar xvf Python-3.7.2.tar.xz cd Python-3.7.2 yum -y install zlib zlib-devel yum -y install bzip2 bzip2-devel yum -y install ncurses ncurses-devel yum -y install readline readline-devel yum -y install openssl openssl-devel yum -y install openssl-static yum -y install xz lzma xz-devel yum -y install sqlite sqlite-devel yum -y install gdbm gdbm-devel yum -y install tk tk-devel yum -y install libffi libffi-devel ./configure --prefix=/usr/python --enable-shared CFLAGS=-fPIC ./configure --enable-optimizations make && make install 整个过程大约5-10分钟，安装成功之后，安装目录就在/usr/python ln -s /usr/python/bin/python3 /usr/bin/python3 ln -s /usr/python/bin/pip3 /usr/bin/pip3 这样就建立软连接好了，以后直接执行python3命令就可以调用python3了，执行pip3可以安装需要的python3模块；另外如果仔细看python安装目录下的bin目录，实际上python3也是个软链接，链接到python3.7.2，这样多次链接也是为了多个版本的管理更加方便， cd /usr/bin ls 查看到 python3链接效果 -rwxr-xr-x. 1 root root 186 Aug 20 2010 pygtk-demo -rwxr-xr-x. 2 root root 6088 Nov 22 2013 python lrwxrwxrwx. 1 root root 6 Sep 21 14:45 python2 -> python -rwxr-xr-x. 2 root root 6088 Nov 22 2013 python2.6 lrwxrwxrwx. 1 root root 23 Mar 3 17:45 python3 -> /usr/python/bin/python3 遇到pip3 安装ssl解决见 问题见我博客另一篇：https://blog.csdn.net/chen498858336/article/details/88149499
原文：https://www.cnblogs.com/SunshineKimi/p/10841652.html