# 拉取portainer
docker pull docker.io/portainer/portainer

# 查看安装情况 
[root@Docker ~]# docker images
REPOSITORY            TAG       IMAGE ID       CREATED         SIZE
portainer/portainer   latest    5f11582196a4   21 months ago   287MB

# 启动UI
docker run -d -p 9000:9000 --restart=always -v /var/run/docker.sock:/var/run/docker.sock --name prtainer-test portainer/portainer

# 查看启动情况
[root@Docker ~]# docker ps -a
CONTAINER ID   IMAGE                 COMMAND        CREATED          STATUS          PORTS                                                           NAMES
030d79093f91   portainer/portainer   "/portainer"   56 seconds ago   Up 55 seconds   8000/tcp, 9443/tcp, 0.0.0.0:9000->9000/tcp, :::9000->9000/tcp   prtainer-test

# 如果页面提示：

Your Portainer instance timed out for security purposes. To re-enable your Portainer instance, you will need to restart Portainer

则使用如下命令重启

docker restart  030d79093f91

# 访问地址
http://10.10.14.212:9000

# 创建用户
admin
mdcija780522

# 到Docker 官网查询镜像名称
http://hub.docker.com/

# 下载Tomcat8
docker pull tomcat:8.5.49-jdk8-openjdk


# 创建Tomcat8容器
docker run -itd --privileged=true --name=mytomcat -p 8081:8080 -v /usr/local/webapps:/usr/local/tomcat/webapps tomcat:8.5.49-jdk8-openjdk 

# 如果报错：out of memory
https://blog.csdn.net/weixin_44492434/article/details/137582782

# 删除镜像
docker rmi -f <IMAGE_NAME_OR_ID>

# 删除容器 
docker rm -f 4bf2bd13f5b0