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基於當前系統製作docker映象

1:通過tar 備份目錄
tar -cvpf /home/buildrpm.tar --directory=/ --exclude=proc --exclude=sys --exclude=dev --exclude=run /
[[email protected] home]# ls
buildrpm.tar
2:匯入映象
cat buildrpm.tar | docker import - buildrpm。
如果提示Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
則先執行docker service
[
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home]# service docker start 3:執行 [[email protected] home]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE buildrpm latest 15adc9614eb8 17 seconds ago 1.14 GB [[email protected] home]# docker run -it buildrpm:latest /bin/bash 4刪除: [
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home]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 920f5a69f58d buildrpm:latest "/bin/bash" 2 minutes ago Exited (0) 2 minutes ago laughing_minsky [
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home]# docker rm 920f5a69f58d 920f5a69f58d [[email protected] home]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE buildrpm latest 15adc9614eb8 4 minutes ago 1.14 GB [[email protected] home]# docker rmi 15adc9614eb8 Untagged: buildrpm:latest Deleted: sha256:15adc9614eb815974edfaca89671f86ea61e46929792c42f7515dfd65ff24688 Deleted: sha256:aed61d9930e43fbf0c5d3a771b9dde602b0dda2fec6066a166d2ba9180402880 [[email protected] home]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE