kubernetes之基本使用2
阿新 • • 發佈:2018-04-26
k8s連接
通過kubectl來連接其他node上的pod中的容器
[root@m ~]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE busybox-3674381263-90hh9 1/1 Running 0 39m 172.30.83.2 192.168.56.202 [root@m ~]# kubectl get pods NAME READY STATUS RESTARTS AGE busybox-3674381263-90hh9 1/1 Running 0 39m [root@m ~]# kubectl get node NAME STATUS AGE 192.168.56.201 Ready 2d 192.168.56.202 Ready 7d [root@m ~]# kubectl exec -it busybox-3674381263-90hh9 sh / # ip a 1: 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 forever 5: 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
開始的時候不能連接,報錯如下:
[root@m ~]# kubectl exec -it busybox-3674381263-90hh9 sh
Error from server: error dialing backend: dial tcp 192.168.56.202:10250: getsockopt: connection refused
排查結果是:
kubernetes之基本使用2