[root@localhost ~]# docker
Usage: docker [OPTIONS] COMMAND
A self-sufficient runtime for containers
Options:
--config string Location of client config files (default "/root/.docker")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) 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
Management Commands: #管理命令
builder Manage builds
config Manage Docker configs #管理配置
container Manage containers #管理容器
engine Manage the docker engine # 管理引擎
image Manage images #管理插件
network Manage networks
node Manage Swarm nodes #管理节点
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
## docker 兼容了新旧的使用格式 建议使用分组管理.
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
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
exec Run a command in a running container
export Export a container's filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
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
login Log in to a Docker registry
logout Log out from a Docker registry
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
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
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
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
Run 'docker COMMAND --help' for more information on a command.
查看版本
[root@localhost ~]# docker version
Client: #客户端
Version: 18.09.4 #docker版本
API version: 1.39 #Docker接口版本
Go version: go1.10.8 # Docker Go版本
Git commit: d14af54266
Built: Wed Mar 27 18:34:51 2019
OS/Arch: linux/amd64 # 系统
Experimental: false # 是否为企业版
Server: Docker Engine - Community
Engine:
Version: 18.09.4
API version: 1.39 (minimum version 1.12)
Go version: go1.10.8
Git commit: d14af54
Built: Wed Mar 27 18:04:46 2019
OS/Arch: linux/amd64
Experimental: false
You have new mail in /var/spool/mail/root
详细信息
[root@localhost ~]# docker info
Containers: 0 #容器个数
Running: 0 # 运行
Paused: 0 # 暂停
Stopped: 0 # 停止
Images: 0 # 镜像
Server Version: 18.09.4 #服务器版本
Storage Driver: overlay2 #存储驱动后端 很重要 分层构建和联合挂载 需要专门的文件驱动在之前可能是使用的DM 性能奇差
Backing Filesystem: xfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins: # 插件
Volume: local #卷
Network: bridge host macvlan null overlay # 网络插件
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog #日志插件
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: bb71b10fd8f58240ca47fbb579b9d1028eea7c84
runc version: 2b18fe1d885ee5083ef9f0838fee39b62d653e30
init version: fec3683
Security Options: #安全选项
seccomp
Profile: default #默认选项
Kernel Version: 3.10.0-957.10.1.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 3.683GiB
Name: localhost.localdomain
ID: BUTI:XQW2:K5UQ:SNVB:EC67:GBOV:LHZD:FI2G:UFL2:TU4H:FSCN:PQAU
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Registry Mirrors:
https://registry.docker-cn.com/ #加速镜像配置
Live Restore Enabled: false
Product License: Community Engine
Docker Search
搜索 Docker hub 中的 nginx 镜像
docker search nginx
Docker pull
多个层级每一层分别下载
docker images
last表示时最新的
[root@localhost docker]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 2bcb04bdb83f 9 days ago 109MB
[root@localhost docker]# docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 2bcb04bdb83f 9 days ago 109MB
docker 卸载镜像
[root@localhost docker]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
busybox latest af2f74c517aa 2 days ago 1.2MB
nginx latest 2bcb04bdb83f 9 days ago 109MB
[root@localhost docker]# docker image rm busybox #第一种命令
Untagged: busybox:latest
Untagged: busybox@sha256:f79f7a10302c402c052973e3fa42be0344ae6453245669783a9e16da3d56d5b4
Deleted: sha256:af2f74c517aac1d26793a6ed05ff45b299a037e1a9eefeae5eacda133e70a825
Deleted: sha256:0b97b1c81a3200e9eeb87f17a5d25a50791a16fa08fc41eb94ad15f26516ccea
[root@localhost docker]# docker rmi nginx #第二种命令
Untagged: nginx:latest
Untagged: nginx@sha256:dabecc7dece2fff98fb00add2f0b525b7cd4a2cacddcc27ea4a15a7922ea47ea
Deleted: sha256:2bcb04bdb83f7c5dc30f0edaca1609a716bda1c7d2244d4f5fbbdfef33da366c
Deleted: sha256:dfce9ec5eeabad339cf90fce93b20f179926d5819359141e49e0006a52c066ca
Deleted: sha256:166d13b0f0cb542034a2aef1c034ee2271e1d6aaee4490f749e72d1c04449c5b
Deleted: sha256:5dacd731af1b0386ead06c8b1feff9f65d9e0bdfec032d2cd0bc03690698feda
[root@localhost docker]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
[root@localhost docker]#
Docker 创建一个容器
[root@localhost docker]# docker container
Usage: docker container COMMAND
Manage containers
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
exec Run a command in a running container
export Export a container's filesystem as a tar archive
inspect Display detailed information on one or more containers
kill Kill one or more running containers
logs Fetch the logs of a container
ls List containers
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
prune Remove all stopped containers
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
run Run a command in a new container
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
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
Run 'docker container COMMAND --help' for more information on a command.
#启动一个nginx容器
[root@localhost ~]# docker run --name nginx-docker1 -d nginx #-d为后台运行
aaed74bf582677ed39f186a3967f4a4efb11836a164b78f1d0b157fb2f26dcaa
[root@localhost ~]# docker inspect nginx-docker1 #查看docker绑定地址 为172.17.0.2
