docker常用命令

# yum 包更新 
yum update
# 安装需要的软件包， yum-util 提供yum-config-manager功能，另外两个是devicemapper驱动依赖的
yum install -y yum-utils device-mapper-persistent-data lvm2
# 设置yum源
##官方源```
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# 安装docker，出现输入的界面都按 y 
yum install -y docker-ce
# 查看docker版本，验证是否验证成功
docker -v
> #比如输入命令后出现：Docker version 20.10.13, build a224086
# 启动docker
systemctl start docker
# 允许开机自启
systemctl enable docker

#查看当前运行容器
docker ps a
# 查看所有正在运行容器
docker ps -a
# 容器进入
docker exec -it 容器名 bash

systemctl <start | stop | restart |status | enable> docker

[root@VM-16-4-centos ~]
TYPE            TOTAL     ACTIVE    SIZE      RECLAIMABLE
Images          16        7         7.295GB   3.918GB (53%)
Containers      9         0         389.1MB   389.1MB (100%)
Local Volumes   4         3         653.7MB   0B (0%)
Build Cache     0         0         0B        0B

docker info
docker --help
docker 具体命令 --help

docker search [OPTIONS] <image_name>

docker pull <image_name>:tag

docker rmi  -f <image_id>

docker rmi  -f <image_id> <image_id> ……

docker rmi -f $(docker images -qa)

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

docker run -it centos /bin/bash

docker start <container_ID>|<container_name>

docker restart <container_ID>|<container_name>

docker stop <container_id>|<container_name>

docker kill <container_id>|<container_name>

docker rm <container_id>

docker rm -f $(docker ps -a -q)

docker ps -a -q | xargs docker rm

docker logs <container_id>

docker top <container_id>

docker inspect <container_id>

docker cp <container_id>:path host_path

docker cp host_path <container_id>:path 

docker export <container_id> > package_name.tar.gz

cat 文件名.tar | docker import - 镜像用户/镜像名:镜像版本号

attach    Attach to a running container                 
build     Build an image from a Dockerfile              
commit    Create a new image from a container changes   
cp        Copy files/folders from the containers filesystem to the host path   
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 an existing container        
export    Stream the contents of a container as a tar archive   
history   Show the history of an image                  
images    List images                                   
import    Create a new filesystem image from the contents of a tarball 
info      Display system-wide information               
inspect   Return low-level information on a container   
kill      Kill a running container                      
load      Load an image from a tar archive              
login     Register or Login to the docker registry server    
logout    Log out from a Docker registry server          
logs      Fetch the logs of a container                 
port      Lookup the public-facing port which is NAT-ed to PRIVATE_PORT    
pause     Pause all processes within a container        
ps        List containers                               
pull      Pull an image or a repository from the docker registry server   
push      Push an image or a repository to the docker registry server    
restart   Restart a running 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 to a tar archive                
search    Search for an image on the Docker Hub         
start     Start a stopped containers                    
stop      Stop a running containers                     
tag       Tag an image into a repository                
top       Lookup the running processes of a container   
unpause   Unpause a paused container                    
version   Show the docker version information           
wait      Block until a container stops, then print its exit code