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在原镜像上，修改：

[root@localhost Desktop]# docker run -ti ubuntu /bin/bash

root@ac5b821c6242:/# touch test root@ac5b821c6242:/# exit exit [root@localhost Desktop]# docker images REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE ubuntu              latest              ebcd9d4fca80        11 hours ago        117.9 MB

记住原镜像的id：ac5b821c6242

进行提交，创建新镜像：

[root@localhost Desktop]# docker commit -m "add a new file" -a "docker newbee" ac5b821c6242 test

sha256:3ab5471af4a3c79ff55a74de2b0a3b857c1ecf0bc515c50d11175c2779ab081f [root@localhost Desktop]# docker images REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE test                latest              3ab5471af4a3        6 seconds ago       117.9 MB ubuntu              latest              ebcd9d4fca80        11 hours ago        117.9 MB

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