Docker常见命令
一、帮助命令
bash
查看docker的版本信息
docker version
查看docker详细信息
docker info
docker的帮助命令，可以查看相关的其他命令
docker --help1.1 docker version
bash
[root@localhost ~]# docker version
Client: Docker Engine - Community
Version: 26.1.4
API version: 1.45
Go version: go1.21.11
Git commit: 5650f9b
Built: Wed Jun 5 11:32:04 2024
OS/Arch: linux/amd64
Context: default
Server: Docker Engine - Community
Engine:
Version: 26.1.4
API version: 1.45 (minimum version 1.24)
Go version: go1.21.11
Git commit: de5c9cf
Built: Wed Jun 5 11:31:02 2024
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.6.33
GitCommit: d2d58213f83a351ca8f528a95fbd145f5654e957
runc:
Version: 1.1.12
GitCommit: v1.1.12-0-g51d5e94
docker-init:
Version: 0.19.0
GitCommit: de40ad01.2 docker info
bash
[root@localhost ~]# docker info
Client: Docker Engine - Community
Version: 26.1.4
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.14.1
Path: /usr/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v2.27.1
Path: /usr/libexec/docker/cli-plugins/docker-compose
Server:
Containers: 2
Running: 0
Paused: 0
Stopped: 2
Images: 2
Server Version: 26.1.4
Storage Driver: overlay2
Backing Filesystem: xfs
Supports d_type: true
Using metacopy: false
Native Overlay Diff: true
userxattr: false
Logging Driver: json-file
Cgroup Driver: cgroupfs
Cgroup Version: 1
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
Init Binary: docker-init
containerd version: d2d58213f83a351ca8f528a95fbd145f5654e957
runc version: v1.1.12-0-g51d5e94
init version: de40ad0
Security Options:
seccomp
Profile: builtin
Kernel Version: 3.10.0-1160.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 972.3MiB
Name: localhost
ID: 0a1a5323-c3ed-4001-87a8-916f7bbd6eb7
Docker Root Dir: /var/lib/docker
Debug Mode: false
Experimental: false
Insecure Registries:
127.0.0.0/8
Registry Mirrors:
http://hub-mirror.c.163.com/
https://mirrors.tuna.tsinghua.edu.cn/
http://mirrors.sohu.com/
https://ustc-edu-cn.mirror.aliyuncs.com/
https://ccr.ccs.tencentyun.com/
https://docker.m.daocloud.io/
https://docker.awsl9527.cn/
Live Restore Enabled: false1.3 docker --help
bash
[root@localhost ~]# docker --help
Usage: docker [OPTIONS] COMMAND
A self-sufficient runtime for containers
Common Commands:
run Create and run a new container from an image
exec Execute a command in a running container
ps List containers
build Build an image from a Dockerfile
pull Download an image from a registry
push Upload an image to a registry
images List images
login Log in to a registry
logout Log out from a registry
search Search Docker Hub for images
version Show the Docker version information
info Display system-wide information
Management Commands:
builder Manage builds
buildx* Docker Buildx
compose* Docker Compose
container Manage containers
context Manage contexts
image Manage images
manifest Manage Docker image manifests and manifest lists
network Manage networks
plugin Manage plugins
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Swarm Commands:
swarm Manage Swarm
Commands:
attach Attach local standard input, output, and error streams to a running container
commit Create a new image from a container's changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
diff Inspect changes to files or directories on a container's filesystem
events Get real time events from the server
export Export a container's filesystem as a tar archive
history Show the history of an image
import Import the contents from a tarball to create a filesystem image
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
save Save one or more images to a tar archive (streamed to STDOUT by default)
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
wait Block until one or more containers stop, then print their exit codes
Global Options:
--config string Location of client config files (default "/root/.docker")
-c, --context string Name of the context to use to connect to the daemon (overrides DOCKER_HOST env var and default context set with "docker context use")
-D, --debug Enable debug mode
-H, --host list Daemon socket to connect to
-l, --log-level string Set the logging level ("debug", "info", "warn", "error", "fatal") (default "info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default "/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default "/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default "/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Run 'docker COMMAND --help' for more information on a command.
For more help on how to use Docker, head to https://docs.docker.com/go/guides/2、镜像命令
bash
1、列出本地主机上的镜像
docker images
2、从docker hub上搜索镜像
docker search 镜像名称
3、从docker hub上下载镜像
docker pull 镜像名称
4、删除本地镜像
docker rmi 镜像名称2.2.1 docker images
镜像表格信息说明
| 选项 | 说明 |
|---|---|
| REPOSITORY | 表示镜像的仓库源 |
| TAG | 镜像的标签 |
| IMAGE ID | 镜像ID |
| CREATED | 镜像创建时间 |
| SIZE | 镜像大小 |
| 参数 | 说明 |
|---|---|
| -a | 列出本地所有的镜像 |
| -q | 只显示镜像ID |
| --digests | 显示镜像的摘要信息 |
| --no-trunc | 显示完整的镜像信息 |
bash
[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest 74cc54e27dc4 4 months ago 10.1kB
centos latest 5d0da3dc9764 3 years ago 231MB
[root@localhost ~]# docker images -a
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest 74cc54e27dc4 4 months ago 10.1kB
centos latest 5d0da3dc9764 3 years ago 231MB
[root@localhost ~]# docker images -q
74cc54e27dc4
5d0da3dc9764
[root@localhost ~]# docker images -aq
74cc54e27dc4
5d0da3dc9764
[root@localhost ~]# docker images --digests
REPOSITORY TAG DIGEST IMAGE ID CREATED SIZE
hello-world latest sha256:0b6a027b5cf322f09f6706c754e086a232ec1ddba835c8a15c6cb74ef0d43c29 74cc54e27dc4 4 months ago 10.1kB
hello-world latest sha256:dd01f97f252193ae3210da231b1dca0cffab4aadb3566692d6730bf93f123a48 74cc54e27dc4 4 months ago 10.1kB
centos latest sha256:a27fd8080b517143cbbbab9dfb7c8571c40d67d534bbdee55bd6c473f432b177 5d0da3dc9764 3 years ago 231MB
[root@localhost ~]# docker images --no-trunc
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest sha256:74cc54e27dc41bb10dc4b2226072d469509f2f22f1a3ce74f4a59661a1d44602 4 months ago 10.1kB
centos latest sha256:5d0da3dc976460b72c77d94c8a1ad043720b0416bfc16c52c45d4847e53fadb6 3 years ago 231MB