yum install wget yum groupinstall ‘Development Tools‘ yum install -y ncurses-libs zlib-devel mysql-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
https://www.python.org/downloads/ wget https://www.python.org/ftp/python/3.6.6/Python-3.6.6.tar.xz
tar -xf Python-3.6.6.tar.xz
./configure --prefix=/usr/local/python3 --enable-optimizations
make
make install
ln: failed to create symbolic link ‘/usr/bin/python’: File exists
mv python python_org
ln -s /usr/local/python3/bin/python3 /usr/bin/python ln -s /usr/local/python3/bin/pip3 /usr/bin/pip
python -m pip install --upgrade pip
cd/usr/bin ls yum*
#!/usr/bin/python 改为 #!/usr/bin/python2.7
vim /usr/sbin/firewalld vim /usr/bin/firewall-cmd vim /usr/bin/firewall-offline-cmd 中的#! /usr/bin/python 改为 #! /usr/bin/python2.7
python -m pip install --upgrade pip
原文：https://www.cnblogs.com/wangchengpei/p/10957955.html