yum install epel-release
yum -y install sqlite sqlite-devel
yum install python36 python36u-pip -y
python3.6 -m pip install --upgrade pip
mv /usr/bin/python /tmp/
ln -s /usr/bin/python3.6 /usr/bin/python
sed -i ‘s/\#\!\/usr\/bin\/python/\#\!\/usr\/bin\/python2/‘ /usr/bin/yum
sed -i ‘s/\#\! \/usr\/bin\/python/\#\! \/usr\/bin\/python2/‘ /usr/libexec/urlgrabber-ext-down原文：http://blog.51cto.com/hequan/2120555