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Document how to make firewalld work on Fedora with bridged networking

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`firewalld` doesn't allow DNS requests (this is the case that bit me,
but there might be more) on `docker0` unless the interface is added to
the trusted zone.

See: https://github.com/docker/for-linux/issues/955
Fixes: https://github.com/sickcodes/Docker-OSX/issues/56
Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>
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Juan Cruz Viotti 2020-07-07 11:09:20 +01:00
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README.md
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@ -160,6 +160,15 @@ sudo nohup dockerd &
``` ```
If you have no internet connectivity from the VM, you are using bridge
networking, and you are running Fedora:
```
# Set the docker0 bridge to the trusted zone
sudo firewall-cmd --permanent --zone=trusted --add-interface=docker0
sudo firewall-cmd --reload
```
# Backup the disk # Backup the disk
your image will be stored in: your image will be stored in: