【Docker】Docker takes a long time to run and lacks space no space left on device: unknown

1. Execution error

• running

docker restart 容器Id

• Check disk space usage

df -h

2.Solution

• This problem is caused by the /run space being used up. Clean up the /run space. After searching, the most used directory is /run/uengine/dump. Just delete it:

cd /run/uengine/dump
rm -f *

3. Can the dump file be deleted?

• The dump file can be deleted. Dump files are generally temporary files used by programs or systems to cache memory contents. They can be deleted if they are not needed. Dump files are used by driver writers to debug drivers. Such files must be opened with special tool software, such as WinDbg.