Update docker_qa.md

oneclickvirt · Aug 14, 2023 · 42e5cbd · 42e5cbd
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diff --git a/docs/guide/docker_qa.md b/docs/guide/docker_qa.md
@@ -30,6 +30,12 @@ docker rm -f $(docker ps -aq); docker rmi $(docker images -aq)
 docker logs 容器名字或ID
 ```
 
+查看docker整体的disk占用
+
+```
+docker system df
+```
+
 查看所有容器
 
 ```