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I'm my wits end with this, I've combed every single google result and nothing helps.
I'm completely unable to get docker containers to access the internet. IP forwarding is enabled (net.ipv4.ip_forward = 1), ufw is turned off, I've tried adding the -dns 8.8.8.8 -dns 8.8.4.4 flags. Every possible solution I've ever found on google fails.
Anyone have any idea how to help?
Attempting to reset everything, as recommend here causes the entire thing to break by telling me that docker -d isn't running even though it is.
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Docker creates a virtual network called bridge by default, and connects your containers to it. In the network, containers are assigned an IP address, which they can use to address each other.
Your host can still be accessed from containers in the default bridge networking mode. You just need to reference it by its Docker network IP, instead of localhost or 127.0. 0.1 . Your host's Docker IP will be shown on the inet line.
I was facing the same problem. So, to solve that issue I've started the container using the argument --net=host, it worked perfectly for me.
Here goes the full statement
sudo docker start --net=host -it --name ex_ngninx ubuntu
Resolved. I followed these instructions: commented out dns=dnsmasq line in NetworkManager.conf
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