인프런 커뮤니티 질문&답변

[root@e83d1887d439 ~]# ssh-copy-id root@172.17.0.3

/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"

/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed

/usr/bin/ssh-copy-id: WARNING: All keys were skipped because they already exist on the remote system.

(if you think this is a mistake, you may want to use -f option)

[root@e83d1887d439 ~]# ssh-copy-id root@172.17.0.4

/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"

/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed

/usr/bin/ssh-copy-id: ERROR: ssh: connect to host 172.17.0.4 port 22: Connection refused

[root@e83d1887d439 ~]# docker exec docker-server systemctl status sshd

Error: No such container: docker-server현재 발생한 에러인데

 sang-gyu  ~
 docker network inspect bridge
[
    {
        "Name": "bridge",
        "Id": "b1e14a292142598e8bcd79d82082aaff3e38cea78e21bf96be13f653372729fc",
        "Created": "2023-11-22T09:53:35.039938917Z",
        "Scope": "local",
        "Driver": "bridge",
        "EnableIPv6": false,
        "IPAM": {
            "Driver": "default",
            "Options": null,
            "Config": [
                {
                    "Subnet": "172.17.0.0/16",
                    "Gateway": "172.17.0.1"
                }
            ]
        },
        "Internal": false,
        "Attachable": false,
        "Ingress": false,
        "ConfigFrom": {
            "Network": ""
        },
        "ConfigOnly": false,
        "Containers": {
            "3fb54fe4c70280511b312f38bee776752f25bc3c63b419be2084e5b27225c643": {
                "Name": "jenkins-server",
                "EndpointID": "83739368b00a9e4d8cdfd8d09c96c8a313acf5fbd8bb52f6e715d58d0f79d373",
                "MacAddress": "02:42:ac:11:00:02",
                "IPv4Address": "172.17.0.2/16",
                "IPv6Address": ""
            },
            "8a361c8c922999eba52422d0b6f7608fa2665b1a074a2a9df8ab5ee9d4ae45cd": {
                "Name": "docker-server",
                "EndpointID": "d0389122955b24d7db4b1eb7d5f60f001e1ab4de1a58305fa8d9b13711db16f5",
                "MacAddress": "02:42:ac:11:00:04",
                "IPv4Address": "172.17.0.4/16",
                "IPv6Address": ""
            },
            "e83d1887d439e59bbe54630c8968cbcddbb461ca911116b304befa9d628833d4": {
                "Name": "ansible-server",
                "EndpointID": "cd7dc8ebd152940c9c2439ba26e9e21704b8426be6cef96cbd71ddb7e52da43b",
                "MacAddress": "02:42:ac:11:00:03",
                "IPv4Address": "172.17.0.3/16",
                "IPv6Address": ""
            }
        },
        "Options": {
            "com.docker.network.bridge.default_bridge": "true",
            "com.docker.network.bridge.enable_icc": "true",
            "com.docker.network.bridge.enable_ip_masquerade": "true",
            "com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
            "com.docker.network.bridge.name": "docker0",
            "com.docker.network.driver.mtu": "65535"
        },
        "Labels": {}
    }
]

[root@e83d1887d439 ~]# cat /etc/ansible/hosts

[devops]

172.17.0.3

172.17.0.4

왜 에러가 발생하는지 모르겠습니다 엔서블 루트에 접속해서 카피하는게 맞는거같은데 ...