Centos7安装docker
1.[root@localhost admin]# cat /etc/redhat-release 查看centos版本
2.[root@localhost admin]# yum -y install gcc
3.[root@localhost admin]# yum -y install gcc-c++
4.[root@localhost admin]# yum install -y yum-utils
5. [root@localhost admin]# yum-config-manager --add-repo
http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
6. [root@localhost admin]# yum install docker-ce docker-ce-cli containerd.io
7. [root@localhost admin]# systemctl start docker 启动docker
8.[root@localhost admin]# ps -ef|grep docker 查看docker启动状态
9.[root@localhost admin]# docker version
10.[root@localhost admin]# docker run hello-world
卸载docker
docker安装keycloak
docker run -p 8080:8080 -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak:18.0.0 start-dev