1. 命令参考
     http://www.runoob.com/docker/docker-command-manual.html
2. docker-命令,可以使用docker --help查看或者man

 1 [root@test-2 ~]# docker --help
2
3 Usage: docker [OPTIONS] COMMAND
4
5 A self-sufficient runtime for containers
6
7 Options:
8 --config string Location of client config files (default "/root/.docker")
9 -D, --debug Enable debug mode
10 -H, --host list Daemon socket(s) to connect to
11 -l, --log-level string Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
12 --tls Use TLS; implied by --tlsverify
13 --tlscacert string Trust certs signed only by this CA (default "/root/.docker/ca.pem")
14 --tlscert string Path to TLS certificate file (default "/root/.docker/cert.pem")
15 --tlskey string Path to TLS key file (default "/root/.docker/key.pem")
16 --tlsverify Use TLS and verify the remote
17 -v, --version Print version information and quit
18
19 Management Commands:
20 builder Manage builds
21 config Manage Docker configs
22 container Manage containers
23 engine Manage the docker engine
24 image Manage images
25 network Manage networks
26 node Manage Swarm nodes
27 plugin Manage plugins
28 secret Manage Docker secrets
29 service Manage services
30 stack Manage Docker stacks
31 swarm Manage Swarm
32 system Manage Docker
33 trust Manage trust on Docker images
34 volume Manage volumes
35
36 Commands:
37 attach Attach local standard input, output, and error streams to a running container
38 build Build an image from a Dockerfile
39 commit Create a new image from a container's changes
40 cp Copy files/folders between a container and the local filesystem
41 create Create a new container
42 diff Inspect changes to files or directories on a container's filesystem
43 events Get real time events from the server
44 exec Run a command in a running container
45 export Export a container's filesystem as a tar archive
46 history Show the history of an image
47 images List images
48 import Import the contents from a tarball to create a filesystem image
49 info Display system-wide information
50 inspect Return low-level information on Docker objects
51 kill Kill one or more running containers
52 load Load an image from a tar archive or STDIN
53 login Log in to a Docker registry
54 logout Log out from a Docker registry
55 logs Fetch the logs of a container
56 pause Pause all processes within one or more containers
57 port List port mappings or a specific mapping for the container
58 ps List containers
59 pull Pull an image or a repository from a registry
60 push Push an image or a repository to a registry
61 rename Rename a container
62 restart Restart one or more containers
63 rm Remove one or more containers
64 rmi Remove one or more images
65 run Run a command in a new container
66 save Save one or more images to a tar archive (streamed to STDOUT by default)
67 search Search the Docker Hub for images
68 start Start one or more stopped containers
69 stats Display a live stream of container(s) resource usage statistics
70 stop Stop one or more running containers
71 tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
72 top Display the running processes of a container
73 unpause Unpause all processes within one or more containers
74 update Update configuration of one or more containers
75 version Show the Docker version information
76 wait Block until one or more containers stop, then print their exit codes
77
78 Run 'docker COMMAND --help' for more information on a command.

3. docker info:显示 Docker 系统信息,包括镜像和容器数。

 1 [root@test-2 ~]# docker info
2 Containers: 1
3 Running: 1
4 Paused: 0
5 Stopped: 0
6 Images: 1
7 Server Version: 18.09.0
8 Storage Driver: overlay2
9 Backing Filesystem: extfs
10 Supports d_type: true
11 Native Overlay Diff: false
12 Logging Driver: json-file
13 Cgroup Driver: cgroupfs
14 Plugins:
15 Volume: local
16 Network: bridge host macvlan null overlay
17 Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
18 Swarm: inactive
19 Runtimes: runc
20 Default Runtime: runc
21 Init Binary: docker-init
22 containerd version: c4446665cb9c30056f4998ed953e6d4ff22c7c39
23 runc version: 4fc53a81fb7c994640722ac585fa9ca548971871
24 init version: fec3683
25 Security Options:
26 seccomp
27 Profile: default
28 Kernel Version: 3.10.0-514.26.2.el7.x86_64
29 Operating System: CentOS Linux 7 (Core)
30 OSType: linux
31 Architecture: x86_64
32 CPUs: 1
33 Total Memory: 1.796GiB
34 Name: test-2
35 ID: NQXK:WK67:VLVS:YCU5:NMUM:OQT7:SFJL:5B2R:GZD2:X2M7:2MXG:57C6
36 Docker Root Dir: /var/lib/docker
37 Debug Mode (client): false
38 Debug Mode (server): false
39 Registry: https://index.docker.io/v1/
40 Labels:
41 Experimental: false
42 Insecure Registries:
43 127.0.0.0/8
44 Registry Mirrors:
45 https://sv1txjq6.mirror.aliyuncs.com/
46 Live Restore Enabled: false
47 Product License: Community Engine

4. docker inspect  获取容器/镜像的元数据。

 1 [root@test-2 ~]# docker inspect 8a4317175b4e
2 [
3 {
4 "Id": "8a4317175b4e64959655f7f917a49db6c209e61748d54d357cfd354e892812b7",
5 "Created": "2018-11-15T09:36:26.797587129Z",
6 "Path": "nginx",
7 "Args": [
8 "-g",
9 "daemon off;"
10 ],
11 "State": {
12 "Status": "running",
13 "Running": true,
14 "Paused": false,
15 "Restarting": false,
16 "OOMKilled": false,
17 "Dead": false,
18 "Pid": 23664,
19 "ExitCode": 0,
20 ...........................................省略
21 "EndpointID": "5f46f9da4868be3141ec162f4b1a6917bffeee6b26119217aaef4fbac67ad52f",
22 "Gateway": "172.17.0.1",
23 "GlobalIPv6Address": "",
24 "GlobalIPv6PrefixLen": 0,
25 "IPAddress": "172.17.0.2",
26 "IPPrefixLen": 16,
27 "IPv6Gateway": "",
28 "MacAddress": "02:42:ac:11:00:02",
29 "Networks": {
30 "bridge": {
31 "IPAMConfig": null,
32 "Links": null,
33 "Aliases": null,
34 "NetworkID": "cec09526dffa1d43a80de5d16205a13d4464c10428df7b67dab4dbbf5716e9c8",
35 "EndpointID": "5f46f9da4868be3141ec162f4b1a6917bffeee6b26119217aaef4fbac67ad52f",
36 "Gateway": "172.17.0.1",
37 "IPAddress": "172.17.0.2",
38 "IPPrefixLen": 16,
39 "IPv6Gateway": "",
40 "GlobalIPv6Address": "",
41 "GlobalIPv6PrefixLen": 0,
42 "MacAddress": "02:42:ac:11:00:02",
43 "DriverOpts": null
44 }
45 }
46 }
47 }
48 ]

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