国外镜像太慢了。可以找一个国内的。比如：https://hub.daocloud.io/ 【其它的应用安装我都是用的 阿里 镜像：https://cr.console.aliyun.com/】
[root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE tomcat9 latest f1338fd7a813 2 days ago 712MB mysql 5.7 84164b03fa2e 7 days ago 456MB centos latest 470671670cac 7 weeks ago 237MB #daocloud.io/library/redis:3.2.9 后面不指定版本号，将会拉取最新版本，imags tag 里面会显示 latest [root@localhost ~]# docker pull daocloud.io/library/redis:3.2.9 3.2.9: Pulling from library/redis 552d35eef8d3: Pull complete 1456a69aa136: Pull complete 1f49a48e1dbe: Pull complete 1875385cdd4d: Pull complete f069bec08661: Pull complete ba86db61d6ab: Pull complete Digest: sha256:1abd60075275d7d821a885a4c6d835d7ff1c7a08854ec9a3a277d2847900d863 Status: Downloaded newer image for daocloud.io/library/redis:3.2.9 [root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE tomcat9 latest f1338fd7a813 2 days ago 712MB mysql 5.7 84164b03fa2e 7 days ago 456MB centos latest 470671670cac 7 weeks ago 237MB daocloud.io/library/redis 3.2.9 3459037fcc3a 2 years ago 98.9MB [root@localhost ~]# docker run -d -p 6379:6379 --name redis3.2.9 daocloud.io/library/redis:3.2.9 --requirepass "123456" 542603098bbfd0686ffbf777d77485b5e1ae1ee89ed95774d1d800a7258784a1 #-d 守护进程运行（后台运行） # -p 端口映射 #--name 容器名称 #daocloud.io/library/redis:3.2.9 容器名:TAG ,见 docker images 命令,如果pull有版本号，这边不指定版本号，将会重新pull一次最新版本，并启动 #--requirepass 设置密码 [root@localhost ~]#
