Docker Network Troubleshooting

Run a container and access the container logs.

docker run --name log-container busybox echo Here is my container log!
docker logs log-container

Run a service and access the service logs.

docker service create --name log-svc --replicas 3 -p 8080:80 nginx
curl localhost:8080
docker service logs log-svc

Check the Docker daemon logs.
```
sudo journalctl -u docker
```
Create a custom network with a container, and attach a netshoot container to the network for troubleshooting.
```
docker network create custom-net
docker run -d --name custom-net-nginx --network custom-net nginx
```

Inject a netshoot container into another container’s network sandbox.

docker run --rm --network custom-net nicolaka/netshoot curl custom-net-nginx:80
docker run --rm --network container:custom-net-nginx nicolaka/netshoot curl localhost:80

Inject a netshoot container into the sandbox of a container that uses the none network.

docker run -d --name none-net-nginx --network none nginx
docker run --rm --network container:none-net-nginx nicolaka/netshoot curl localhost:80

Docker Network Troubleshooting

Ads Blocker Detected!!!