1.docker diff介绍
docker diff命令是用于比较一个docker容器不同版本提交的文件差异
docker diff命令会列出容器内3种文件状态变化,分别是:A-Add,D-Delete,C-Change
2.docker diff用法
docker diff container
[root@centos79 ~]# docker diff --helpUsage: docker diff CONTAINERInspect changes to files or directories on a container's filesystemAliases:docker container diff, docker diff
[root@centos79 ~]#
3.实例
3.1.列出以往后台运行docker容器文件区别
命令:
docker diff centos-ssh
[root@centos79 ~]# docker ps -a | grep 803b
803b6b35366a centos-ssh:1.0 "/bin/sh -c '/usr/sb…" 22 hours ago Up About a minute 0.0.0.0:32768->22/tcp, :::32768->22/tcp centos-ssh
[root@centos79 ~]# docker diff centos-ssh | tail -n 20
A /usr/share/vim/vimfiles/after/lang
A /usr/share/vim/vimfiles/after/spell
A /usr/share/vim/vimfiles/a