- 操作系统
- Linux localhost.localdomain 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/
- 安装docker yum install docker
- docker man(唯有男人靠得住)
Usage: docker COMMAND
A self-sufficient runtime for containers
Options:
--config string Location of client config files (default "/root/.docker")
-D, --debug Enable debug mode
--help Print usage
-H, --host list Daemon socket(s) to connect to (default [])
-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:
container Manage containers
image Manage images
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
volume Manage volumes
Commands:
attach Attach 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 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
- 常用命令
- docker images 查看镜像
- docker rmi IMAGE 删除镜像
- docker ps 查看容器列表
- docker ps -a 查看所有的容器
- docker rm $(docker ps -aq) 删除所有的容器
- docker run -p 宿主机端口:容器端口 -name 容器名称 -d 守护进程方式运行 IMAGE||IMAGE ID 运行一个容器
- docker exec -it 容器ID bash 进入容器内部
- docker stop 容器ID 停止正在运行的容器
- docker start 容器ID 启动一个以停止的容器
- docker restart 容器ID 重新启动容器
- docker rm 容器ID 删除一个容器 --- 注意：运行中的容器无法删除。需要先停止后才能操作
- docker logs 容器iD 查看容器的日志
- docker top 容器ID 查看在容器中正在运行的进程相关信息
- docker port 容器ID 查看指定容器ID的端口映射关系
- docker pull 镜像名称 拉取一个镜像：默认latest
- docker search 镜像名称 搜索云端镜像
白话文，什么是镜像，容器及关系？
镜像：可以看做是一个类的声明，但是并没有实例化。
容器：可以看做这个类的实例化。那么意味着一个镜像可以实例化多分容器并且相互之间保持独立运行