cp -p /tmp/key/www.zhuangyixie.com.key /etc/pki/tls/private/
1166 ll /etc/pki/tls/certs/
1167 ll
1168 systemctl restart httpd
vi /etc/httpd/conf.d/ssl.conf
cp -p /tmp/key/www.zhuangyixie.com.key
ll /etc/pki/tls/certs/www*
cp -p /tmp/key/www.zhuangyixie.com.key /etc/pki/tls/private/