Docker Registry11

[root@h104 ~]# docker push docker:5000/ubuntu 
The push refers to a repository [docker:5000/ubuntu] (len: 1)
unable to ping registry endpoint https://docker:5000/v0/
v2 ping attempt failed with error: Get https://docker:5000/v2/: dial tcp 192.168.100.103:5000: no route to host
 v1 ping attempt failed with error: Get https://docker:5000/v1/_ping: dial tcp 192.168.100.103:5000: no route to host
[root@h104 ~]# 

[root@h104 ~]# docker push docker:5000/ubuntu 
The push refers to a repository [docker:5000/ubuntu] (len: 1)
unable to ping registry endpoint https://docker:5000/v0/
v2 ping attempt failed with error: Get https://docker:5000/v2/: dial tcp 192.168.100.103:5000: i/o timeout
 v1 ping attempt failed with error: Get https://docker:5000/v1/_ping: dial tcp 192.168.100.103:5000: i/o timeout
[root@h104 ~]# 

[root@docker ~]# systemctl list-dependencies docker.service | head -n 10
docker.service
● ├─docker.socket
● ├─system.slice
● └─basic.target
●   ├─firewalld.service
●   ├─microcode.service
●   ├─rhel-autorelabel-mark.service
●   ├─rhel-autorelabel.service
●   ├─rhel-configure.service
●   ├─rhel-dmesg.service
[root@docker ~]# 
[root@docker ~]# iptables -L -nv | grep -i docker
  288 46767 DOCKER     all  --  *      docker0  0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     all  --  *      docker0  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
  224 45545 ACCEPT     all  --  docker0 !docker0  0.0.0.0/0            0.0.0.0/0           
    0     0 ACCEPT     all  --  docker0 docker0  0.0.0.0/0            0.0.0.0/0           
Chain DOCKER (1 references)
  288 46767 ACCEPT     tcp  --  !docker0 docker0  0.0.0.0/0            172.17.0.2           tcp dpt:5000
[root@docker ~]#