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Update README.md (#198)

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Add a check to see if there are any containers to delete
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Mohamed Abdelhalim 2024-12-31 05:00:47 +02:00 • committed by GitHub
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@ -745,13 +745,15 @@ docker run --rm ubuntu env
### Kill running containers
```sh
docker kill $(docker ps -q)
if [ "$(docker ps -q)" ]; then docker kill $(docker ps -q); else echo "No running containers."; fi
```
### Delete all containers (force!! running or stopped containers)
```sh
docker rm -f $(docker ps -qa)
if [ "$(docker ps -qa)" ]; then docker rm -f $(docker ps -qa); else echo "No containers to delete."; fi
```
### Delete old containers