http://360kan.letv.com/live/
http://v.baidu.com/live/
http://v.qq.com/x/live/tv.html
http://tv.cctv.com/live/cctv1/
http://360kan.letv.com/live/
http://v.baidu.com/live/
http://v.qq.com/x/live/tv.html
http://tv.cctv.com/live/cctv1/
kubectl config get-contexts kubectl config use-context <context-name> kubectl config current-context