通过kubectl来连接其他node上的pod中的容器
[root@m ~]# kubectl get pods -o wideNAME ??????????????????????READY ????STATUS ???RESTARTS ??AGE ??????IP ???????????NODEbusybox-3674381263-90hh9 ??1/1 ??????Running ??0 ?????????39m ??????172.30.83.2 ??192.168.56.202[root@m ~]# kubectl get podsNAME ??????????????????????READY ????STATUS ???RESTARTS ??AGEbusybox-3674381263-90hh9 ??1/1 ??????Running ??0 ?????????39m[root@m ~]# kubectl get nodeNAME ????????????STATUS ???AGE192.168.56.201 ??Ready ????2d192.168.56.202 ??Ready ????7d[root@m ~]# kubectl exec -it busybox-3674381263-90hh9 sh/ # ip a1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1 ???link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 ???inet 127.0.0.1/8 scope host lo ??????valid_lft forever preferred_lft forever ???inet6 ::1/128 scope host ???????valid_lft forever preferred_lft forever5: eth0@if6: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1450 qdisc noqueue ????link/ether 02:42:ac:1e:53:02 brd ff:ff:ff:ff:ff:ff ???inet 172.30.83.2/24 scope global eth0 ??????valid_lft forever preferred_lft forever ???inet6 fe80::42:acff:fe1e:5302/64 scope link ???????valid_lft forever preferred_lft forever故障
开始的时候不能连接，报错如下：
[root@m ~]# kubectl exec -it busybox-3674381263-90hh9 shError from server: error dialing backend: dial tcp 192.168.56.202:10250: getsockopt: connection refused排查结果是：
kubernetes之基本使用2
原文地址：http://blog.51cto.com/sgk2011/2108095