sudo docker ps

从image 启动container；

docker run --cap-add=SYS_NICE --privileged -d -it --env ROOT=/utas/bin --name ut1 abc:latest bash

copy

docker cp 5v3.xlsx 47a367a13dab:/project/home/abc/

从container 创建 image tar.gz 包

docker commit gdb //gdb是 container name
[root@cc dd]# docker images ///显示image 列表
REPOSITORY TAG IMAGE ID CREATED SIZE
5af9726855c4 7 seconds ago 1.97GB
docker tag 5af9726855c4 ut_gdb //对image 打tag

docker image save ut_gdb -o gdb_ut.tar.gz

tar -czf gdb_ut.tar.gz gdb_ut.tar
tar -xzf gdb_ut.tar.gz
docker load < gdb_ut.tar

[root@abc ]# docker export
“docker export” requires exactly 1 argument.
See ‘docker export --help’.

Usage: docker export [OPTIONS] CONTAINER

Export a container’s filesystem as a tar archive

进入container

docker exec -it -u 0 da2817ccc252 bash /// -u 以root用户进入。