docker常用命令

容器管理

容器为任务而生,一旦没有任务会停止运行

1. 下载容器镜像

[root@master ~]# docker pull nginx

2. 创建容器

[root@master ~]# docker create --name web01 nginx

3. 查询容器

[root@master ~]# docker ps -a
可以加参数-q表示静默状态显示(只显示容器id),可以配合docker rm -f $(docker ps -aq --filter status=exited)删除所有挂掉的容器

4. 运行容器

[root@master ~]# docker start [容器ID]

5. 删除容器

[root@master ~]# docker rm -f [容器ID]

6. 运行一个容器

[root@master ~]# docker run -d -p 80:80 --name web01 nginx
等于同时执行docker pull+docker create+ docker start
-d 表示后台运行,-p将宿主机的端口:容器端口做映射,-P自动映射端口

7. 进入容器

[root@master ~]# docker exec -it 391 [容器ID] /bin/bash
[root@master ~]# docker cp httpd.conf b633f02a59af:/usr/local/apache2/conf

7. 运行一个mysql容器

[root@master ~]# docker run -d -p 33066:3306 -e MYSQL_ROOT_PASSWORD=redhat -e MYSQL_DATABASE=wordpress --name mysql_wordpress mysql:5.6
-e 参数指定环境变量,还可以docker run --help查看命令说明以及可以加哪些参数
环境变量的参数可以查看docker file文件或者镜像站的说明

8. 查看容器详细信息
[root@docker-gz ~]# docker inspect 5e2
[
    {
        "Id": "5e223f83dd7e488c62a517b9235b5f6befc7563e089b463a81848c0258fdf3af",
        "Created": "2023-06-21T01:51:23.993260233Z",
        "Path": "/docker-entrypoint.sh",
        "Args": [
            "nginx",
            "-g",
            "daemon off;"
        ],
        "State": {
            "Status": "running",
            "Running": true,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false,
            "Dead": false,
            "Pid": 3776,
            "ExitCode": 0,
            "Error": "",
            "StartedAt": "2023-06-21T01:51:24.592283872Z",
            "FinishedAt": "0001-01-01T00:00:00Z"
        },
        "Image": "sha256:605c77e624ddb75e6110f997c58876baa13f8754486b461117934b24a9dc3a85",
        "ResolvConfPath": "/var/lib/docker/containers/5e223f83dd7e488c62a517b9235b5f6befc7563e089b463a81848c0258fdf3af/resolv.conf",
        "HostnamePath": "/var/lib/docker/containers/5e223f83dd7e488c62a517b9235b5f6befc7563e089b463a81848c0258fdf3af/hostname",
        "HostsPath": "/var/lib/docker/containers/5e223f83dd7e488c62a517b9235b5f6befc7563e089b463a81848c0258fdf3af/hosts",
        "LogPath": "/var/lib/docker/containers/5e223f83dd7e488c62a517b9235b5f6befc7563e089b463a81848c0258fdf3af/5e223f83dd7e488c62a517b9235b5f6befc7563e089b463a81848c0258fdf3af-json.log",
        "Name": "/nginx",
        "RestartCount": 0,
        "Driver": "overlay2",
        "Platform": "linux",
        "MountLabel": "",
        "ProcessLabel": "",
        "AppArmorProfile": "",
        "ExecIDs": [
            "12f546f6d86fd5741c06c069352507ce8d7c43ea0cae1cfa4aeb2f8d271bb339"
        ],
        "HostConfig": {
            "Binds": null,
            "ContainerIDFile": "",
            "LogConfig": {
                "Type": "json-file",
                "Config": {}
            },
            "NetworkMode": "default",
            "PortBindings": {
                "80/tcp": [
                    {
                        "HostIp": "",
                        "HostPort": "80"
                    }
                ]
            },
            "RestartPolicy": {
                "Name": "no",
                "MaximumRetryCount": 0
            },
            "AutoRemove": false,
            "VolumeDriver": "",
            "VolumesFrom": null,
            "ConsoleSize": [
                30,
                157
            ],
            "CapAdd": null,
            "CapDrop": null,
            "CgroupnsMode": "host",
            "Dns": [],
            "DnsOptions": [],
            "DnsSearch": [],
            "ExtraHosts": null,
            "GroupAdd": null,
            "IpcMode": "private",
            "Cgroup": "",
            "Links": null,
            "OomScoreAdj": 0,
            "PidMode": "",
            "Privileged": false,
            "PublishAllPorts": false,
            "ReadonlyRootfs": false,
            "SecurityOpt": null,
            "UTSMode": "",
            "UsernsMode": "",
            "ShmSize": 67108864,
            "Runtime": "runc",
            "Isolation": "",
            "CpuShares": 0,
            "Memory": 0,
            "NanoCpus": 0,
            "CgroupParent": "",
            "BlkioWeight": 0,
            "BlkioWeightDevice": [],
            "BlkioDeviceReadBps": [],
            "BlkioDeviceWriteBps": [],
            "BlkioDeviceReadIOps": [],
            "BlkioDeviceWriteIOps": [],
            "CpuPeriod": 0,
            "CpuQuota": 0,
            "CpuRealtimePeriod": 0,
            "CpuRealtimeRuntime": 0,
            "CpusetCpus": "",
            "CpusetMems": "",
            "Devices": [],
            "DeviceCgroupRules": null,
            "DeviceRequests": null,
            "MemoryReservation": 0,
            "MemorySwap": 0,
            "MemorySwappiness": null,
            "OomKillDisable": false,
            "PidsLimit": null,
            "Ulimits": null,
            "CpuCount": 0,
            "CpuPercent": 0,
            "IOMaximumIOps": 0,
            "IOMaximumBandwidth": 0,
            "MaskedPaths": [
                "/proc/asound",
                "/proc/acpi",
                "/proc/kcore",
                "/proc/keys",
                "/proc/latency_stats",
                "/proc/timer_list",
                "/proc/timer_stats",
                "/proc/sched_debug",
                "/proc/scsi",
                "/sys/firmware"
            ],
            "ReadonlyPaths": [
                "/proc/bus",
                "/proc/fs",
                "/proc/irq",
                "/proc/sys",
                "/proc/sysrq-trigger"
            ]
        },
        "GraphDriver": {
            "Data": {
                "LowerDir": "/var/lib/docker/overlay2/f0403b2a9289097e8ef794f2dcc8211545b022dcbfe92b0b6b851016b4945cbd-init/diff:/var/lib/docker/overlay2/ffa41ffdfde6f9a758b4ca3cf60b90eddea53b48adba998907fe892e3089b6e2/diff:/var/lib/docker/overlay2/45358124255f8cadf8b1c9ac3ad79cbb29e66c7b781145858e801fd178174945/diff:/var/lib/docker/overlay2/bfa8102adf0844b0560c370db76a337112ccfa3092b35ac93a9b6585ea832cf9/diff:/var/lib/docker/overlay2/443f764031be474515faf9e055c1187cf3e81b4bf532dd633a55eb6b25413c74/diff:/var/lib/docker/overlay2/d93295b884dc8490c35f3f0dc890f6dca84c67d14d0f775e11f7c16f3637a458/diff:/var/lib/docker/overlay2/daa0b653c6f422ee88352106005723c979efff5c5f38d5fdb9e7c8554d34f7f0/diff",
                "MergedDir": "/var/lib/docker/overlay2/f0403b2a9289097e8ef794f2dcc8211545b022dcbfe92b0b6b851016b4945cbd/merged",
                "UpperDir": "/var/lib/docker/overlay2/f0403b2a9289097e8ef794f2dcc8211545b022dcbfe92b0b6b851016b4945cbd/diff",
                "WorkDir": "/var/lib/docker/overlay2/f0403b2a9289097e8ef794f2dcc8211545b022dcbfe92b0b6b851016b4945cbd/work"
            },
            "Name": "overlay2"
        },
        "Mounts": [],
        "Config": {
            "Hostname": "5e223f83dd7e",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "ExposedPorts": {
                "80/tcp": {}
            },
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
                "NGINX_VERSION=1.21.5",
                "NJS_VERSION=0.7.1",
                "PKG_RELEASE=1~bullseye"
            ],
            "Cmd": [
                "nginx",
                "-g",
                "daemon off;"
            ],
            "Image": "nginx",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": [
                "/docker-entrypoint.sh"
            ],
            "OnBuild": null,
            "Labels": {
                "maintainer": "NGINX Docker Maintainers <docker-maint@nginx.com>"
            },
            "StopSignal": "SIGQUIT"
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "ae118c85db36c77b74ec2afde0acd7a5067033de0f190400382bd272d6c47646",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {
                "80/tcp": [
                    {
                        "HostIp": "0.0.0.0",
                        "HostPort": "80"
                    },
                    {
                        "HostIp": "::",
                        "HostPort": "80"
                    }
                ]
            },
            "SandboxKey": "/var/run/docker/netns/ae118c85db36",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "e0d85ea20760dc0100919fe23024b532771ab10e749519fa9f1dd7220d1e07fe",
            "Gateway": "172.17.0.1",
            "GlobalIPv6Address": "",
            "GlobalIPv6PrefixLen": 0,
            "IPAddress": "172.17.0.2",
            "IPPrefixLen": 16,
            "IPv6Gateway": "",
            "MacAddress": "02:42:ac:11:00:02",
            "Networks": {
                "bridge": {
                    "IPAMConfig": null,
                    "Links": null,
                    "Aliases": null,
                    "NetworkID": "2b364d3273f34304b58042f2ab7b6767765ab3d03e8f9e304f60811391b0e6cc",
                    "EndpointID": "e0d85ea20760dc0100919fe23024b532771ab10e749519fa9f1dd7220d1e07fe",
                    "Gateway": "172.17.0.1",
                    "IPAddress": "172.17.0.2",
                    "IPPrefixLen": 16,
                    "IPv6Gateway": "",
                    "GlobalIPv6Address": "",
                    "GlobalIPv6PrefixLen": 0,
                    "MacAddress": "02:42:ac:11:00:02",
                    "DriverOpts": null
                }
            }
        }
    }
]

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