/* 因为直接去网站拿会下载的慢,所以直接到网站里,对着此包--〉右键--〉复制链接地址
网站地址:https://openvz.org/Download/template/precreated
*/
[root@localhost ~]# wget http://download.openvz.org/template/precreated/centos-6-x86-minimal.tar.gz
[root@localhost ~]# cat centos-6-x86-minimal.tar.gz|docker import - centos-6-x86 //import - (+自定义的名字)
b3b4668e82733e0f8d1fefa950266284924f6223673cc72fd6575ddcaa585109
[root@localhost ~]# docker images //查看刚刚导入的镜像是否存在
/*
把现有镜像,导出为一个文件。
-o + 要导出最后的文件名 + 要导出的文件的标签(名) 或id
*/
[root@localhost ~]# docker save -o frankie-centos.tar centos-6-x86
[root@localhost ~]# ls
anaconda-ks.cfg
centos-6-x86_64-minimal.tar.gz
frankie-centos.tar
install.log
install.log.syslog
[root@localhost ~]#
/*用导出的文件恢复本地镜像
1. 先删除镜像
2. 再利用文件恢复
形式:== docker load --input frankie-centos.tar
== docker load < frankie-centos.tar
"frankie-centos.tar" --为文件名
*/
[root@localhost ~]# docker rmi centos-6-x86
Untagged: centos-6-x86:latest
Deleted: c37f3636c1f8d64c2bfb5fbbfc45ac1ae53aac6ea83c6439410c809cba709a9f
[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos_with_net latest c5b412fe1c33 About an hour ago 294.1 MB
centos latest d83a55af4e75 4 weeks ago 196.7 MB
frankie latest d83a55af4e75 4 weeks ago 196.7 MB
[root@localhost ~]# docker load < frankie-centos.tar
[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos-6-x86 latest c37f3636c1f8 13 minutes ago 343.8 MB
centos_with_net latest c5b412fe1c33 About an hour ago 294.1 MB
centos latest d83a55af4e75 4 weeks ago 196.7 MB
frankie latest d83a55af4e75 4 weeks ago 196.7 MB
[root@localhost ~]#
//可以把自己的镜像传到dockerrhub官网上,前提是注册一个用户
[root@localhost ~]# docker push image_name