容器命令 - 《docker》

docker run
退出容器
docker ps
docker rm
docker start
docker stop
docker kill
docker restart
docker logs
docker top
docker inspect
进入正在运行的容器
- docker exec
- docker attach
docker cp
docker commit
docker stats

![]}IUBN7FR@[52{T[)H_RR.png](https://cdn.nlark.com/yuque/0/2021/png/1509749/1626245446594-1286021b-8708-4200-9020-a256c14066fa.png#height=638&id=e0aP6&margin=%5Bobject%20Object%5D&name=%5D%7DIU%60BN7FR%40%5B52%7BT%5B%60%29H_RR.png&originHeight=638&originWidth=900&originalType=binary&ratio=1&size=127730&status=done&style=none&width=900)

docker run

新建容器并启动

docker run [可选参数] image
参数说明
-name = 'name'   容器名字
-d                后台方式
-it              使用交互模式
-p                 指定端口
    -p  主机ip:主机端口：容器端口
    -p  主机端口：容器端口
    -p  容器端口 
-d 后台启动
--rm
用完就删除
[root@node ~]# docker run -it --rm centos   # 携带--rm启动
[root@c9b8f1933cdd /]# [root@node ~]# docker ps   # 容器还在运行
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
c9b8f1933cdd        centos              "/bin/bash"         19 seconds ago      Up 18 seconds                           angry_curran
[root@node ~]# docker stop c9b8f1933cdd     # 停止容器
c9b8f1933cdd
[root@node ~]# docker ps -a      # 一旦停止就会自动删除 
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

退出容器

[root@study ~]# docker  run -it centos   #  进入容器
[root@3bfd6d49fc6b /]# exit                #  退出（容器停止）
exit

ctrl + p + q 容器不停止的退出

docker ps

显示所有后台运行的容器

[root@study ~]# docker ps
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES
-a          列出当前正在运行的容器+历史运行过的容器
-n=个数     显示最近创建的容器
-q          只显示容器编号

docker rm

删除容器，如果正在运行则需要加-f

[root@study home]# docker ps -aq
3bfd6d49fc6b
2f45b7f4a1e6
[root@study home]# docker rm -f $(docker ps -aq)   # 删除所有
3bfd6d49fc6b
2f45b7f4a1e6
[root@study home]# docker ps -aq

删除所有

docker rm  -f  $(docker ps -aq)

docker start

启动容器

[root@node ~]# docker ps -a   
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
5f4e3a0af845        centos              "/bin/bash"         7 minutes ago       Up 7 minutes                            quirky_proskuriakova
[root@node ~]# docker start 5f4e3a0af845  # 启动容器
5f4e3a0af845
[root@node ~]# docker ps   # 查看容器 
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
5f4e3a0af845        centos              "/bin/bash"         8 minutes ago       Up 8 minutes                            quirky_proskuriakova

docker stop

停止当前正在运行的容器

[root@node ~]# docker stop 5f4e3a0af845  
5f4e3a0af845
[root@node ~]# docker ps 
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

docker kill

强制停止当前容器

docker restart

重启当前容器

docker logs

查看日志

[root@node ~]# docker logs -t -f 301a26bcf80c 
-t  时间戳
-f

docker top

查看容器内部进程信息

[root@node ~]# docker top 301a26bcf80c 
UID                 PID                 PPID                C                   STIME               TTY                 TIME                CMD
root                2232                2217                0                   15:05               pts/0               00:00:00            /bin/bash

docker inspect

查看容器详细信息

[root@iZ2ze2dmjvkibcf9autjr2Z ~]# docker inspect 302f3b37a9e5
[
    {
        "Id": "302f3b37a9e5a8d48421794ba630a36938e828eb682f4677800abd87d0e83dea",
        "Created": "2021-07-14T06:32:27.585580935Z",
        "Path": "/bin/bash",
        "Args": [],
        "State": {
            "Status": "running",
            "Running": true,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false,
            "Dead": false,
            "Pid": 4123191,
            "ExitCode": 0,
            "Error": "",
            "StartedAt": "2021-07-14T06:32:28.644767521Z",
            "FinishedAt": "0001-01-01T00:00:00Z"
        },
        "Image": "sha256:300e315adb2f96afe5f0b2780b87f28ae95231fe3bdd1e16b9ba606307728f55",
        "ResolvConfPath": "/var/lib/docker/containers/302f3b37a9e5a8d48421794ba630a36938e828eb682f4677800abd87d0e83dea/resolv.conf",
        "HostnamePath": "/var/lib/docker/containers/302f3b37a9e5a8d48421794ba630a36938e828eb682f4677800abd87d0e83dea/hostname",
        "HostsPath": "/var/lib/docker/containers/302f3b37a9e5a8d48421794ba630a36938e828eb682f4677800abd87d0e83dea/hosts",
        "LogPath": "/var/lib/docker/containers/302f3b37a9e5a8d48421794ba630a36938e828eb682f4677800abd87d0e83dea/302f3b37a9e5a8d48421794ba630a36938e828eb682f4677800abd87d0e83dea-json.log",
        "Name": "/infallible_rhodes",
        "RestartCount": 0,
        "Driver": "overlay2",
        "Platform": "linux",
        "MountLabel": "",
        "ProcessLabel": "",
        "AppArmorProfile": "",
        "ExecIDs": null,
        "HostConfig": {
            "Binds": null,
            "ContainerIDFile": "",
            "LogConfig": {
                "Type": "json-file",
                "Config": {}
            },
            "NetworkMode": "default",
            "PortBindings": {},
            "RestartPolicy": {
                "Name": "no",
                "MaximumRetryCount": 0
            },
            "AutoRemove": false,
            "VolumeDriver": "",
            "VolumesFrom": null,
            "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",
            "ConsoleSize": [
                0,
                0
            ],
            "Isolation": "",
            "CpuShares": 0,
            "Memory": 0,
            "NanoCpus": 0,
            "CgroupParent": "",
            "BlkioWeight": 0,
            "BlkioWeightDevice": [],
            "BlkioDeviceReadBps": null,
            "BlkioDeviceWriteBps": null,
            "BlkioDeviceReadIOps": null,
            "BlkioDeviceWriteIOps": null,
            "CpuPeriod": 0,
            "CpuQuota": 0,
            "CpuRealtimePeriod": 0,
            "CpuRealtimeRuntime": 0,
            "CpusetCpus": "",
            "CpusetMems": "",
            "Devices": [],
            "DeviceCgroupRules": null,
            "DeviceRequests": null,
            "KernelMemory": 0,
            "KernelMemoryTCP": 0,
            "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/overlay2/24a92d6f4575a32a61423ca608561a812a8dac4c96f425f9b0d5da7ae8acf468-init/diff:/var/lib/docker/overlay2/3f0339a80ccc278c38628af43b03a6dc94d6262faf0f5b43d7c6fb49a0673f31/diff",
                "MergedDir": "/var/lib/docker/overlay2/24a92d6f4575a32a61423ca608561a812a8dac4c96f425f9b0d5da7ae8acf468/merged",
                "UpperDir": "/var/lib/docker/overlay2/24a92d6f4575a32a61423ca608561a812a8dac4c96f425f9b0d5da7ae8acf468/diff",
                "WorkDir": "/var/lib/docker/overlay2/24a92d6f4575a32a61423ca608561a812a8dac4c96f425f9b0d5da7ae8acf468/work"
            },
            "Name": "overlay2"
        },
        "Mounts": [],
        "Config": {
            "Hostname": "302f3b37a9e5",
            "Domainname": "",
            "User": "",
            "AttachStdin": true,
            "AttachStdout": true,
            "AttachStderr": true,
            "Tty": true,
            "OpenStdin": true,
            "StdinOnce": true,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/bash"
            ],
            "Image": "centos",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {
                "org.label-schema.build-date": "20201204",
                "org.label-schema.license": "GPLv2",
                "org.label-schema.name": "CentOS Base Image",
                "org.label-schema.schema-version": "1.0",
                "org.label-schema.vendor": "CentOS"
            }
        },
        "NetworkSettings": {
            "Bridge": "",
            "SandboxID": "cc357705706859e7f1658add6ad54f290d4570d565d3683e1ac9727786750a0c",
            "HairpinMode": false,
            "LinkLocalIPv6Address": "",
            "LinkLocalIPv6PrefixLen": 0,
            "Ports": {},
            "SandboxKey": "/var/run/docker/netns/cc3577057068",
            "SecondaryIPAddresses": null,
            "SecondaryIPv6Addresses": null,
            "EndpointID": "b8ffc39701918f35a27aca1def2bd72f649e55c319ae1d103939f3677d279332",
            "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": "aed69dd6cd969bbc58e51597e6057dd11ba5878f6888ecdc4576ca28936c6a61",
                    "EndpointID": "b8ffc39701918f35a27aca1def2bd72f649e55c319ae1d103939f3677d279332",
                    "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
                }
            }
        }
    }
]

进入正在运行的容器

docker exec

打开新的终端

docker attach

打开正在执行的终端

docker cp

把容器内的文件拷贝到终端
即便容器不在运行也可以拷贝

docker cp   容器id:容器路径   宿主机路径
[root@study ~]# docker cp 302f3b37a9e5:/home/test.txt /home/test.txt   
[root@study ~]# cd /home/
[root@study home]# ls
hilde  redis-6.2.4  redis-6.2.4.tar.gz  test.txt

docker commit

将当前的容器打包为镜像

docker commit -a=作者名 -m=附加信息  容器id  发布的镜像名

docker stats

查看容器占用内存的情况