安装docker
1. 查看系统版本
cat /etc/redhat-release
2. 安装docker
yum install docker
3.检查安装是否成功
docker version
若输出了 Docker 的版本号，说明安装成功了，可通过以下命令启动 Docker 服务：
4. 启动Docker服务
service docker start
一旦 Docker 服务启动完毕，就可以开始使用 Docker 了。
systemctl start docker
systemctl restart docker
systemctl stop docker
systemctl reload docker
systemctl status docker
5. 设定为开机启动Docker服务
设定为开机启动Docker服务
systemctl enable docker
systemctl kill docker
systemctl disable docker
systemctl show docker
systemctl list-dependencies docker
6. Docker命令格式
service docker start
[root@centos7 ~]# docker
Usage: docker [OPTIONS] COMMAND [arg...]
docker daemon [ --help | ... ]
docker [ --help | -v | --version ]
A self-sufficient runtime for containers.
Options:
--config=~/.docker Location of client config files
-D, --debug Enable debug mode
-H, --host=[] Daemon socket(s) to connect to
-h, --help Print usage
-l, --log-level=info Set the logging level
--tls Use TLS; implied by --tlsverify
--tlscacert=~/.docker/ca.pem Trust certs signed only by this CA
--tlscert=~/.docker/cert.pem Path to TLS certificate file
--tlskey=~/.docker/key.pem Path to TLS key file
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
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 a container or image
kill Kill a running container
load Load an image from a tar archive or STDIN
login Register or log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
network Manage Docker networks
pause Pause all processes within a container
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 a container
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save an image(s) to a tar archive
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 a running container
tag Tag an image into a repository
top Display the running processes of a container
unpause Unpause all processes within a container
update Update resources of one or more containers
version Show the Docker version information
volume Manage Docker volumes
wait Block until a container stops, then print its exit code
Run 'docker COMMAND --help' for more information on a command.
7. 下载镜像
docker pull index.alauda.cn/library/ubuntu
docker pull index.alauda.cn/library/centos
docker pull index.alauda.cn/library/tomcat
docker pull hub.c.163.com/library/python:3.5.2
docker pull hub.c.163.com/library/mysql:latest
docker pull registry.cn-hangzhou.aliyuncs.com/acs-sample/geoserver
7. 镜像列表
docker images
8. 运行容器
9. 容器列表