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Add IP forwarding config to archlinux guide

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I had this small issue when following this guide on my Arch box, and I don't think it is specific to any configuration I have.
Upstream-commit: b2084a9c599d91fa1460116ef0c8d509d3353103
Component: engine
This commit is contained in:
Renato Riccieri Santos Zannon
2013-05-30 01:56:08 -03:00
parent 207ed4b90a
commit f05f5b2a20
1 changed files with 18 additions and 0 deletions
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18
components/engine/docs/sources/installation/archlinux.rst
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@ -67,3 +67,21 @@ To start on system boot:
::
sudo systemctl enable docker
Network Configuration
---------------------
IPv4 packet forwarding is disabled by default on Arch, so internet access from inside
the container may not work.
To enable the forwarding, run as root on the host system:
::
sysctl net.ipv4.ip_forward=1
And, to make it persistent across reboots, enable it on the host's **/etc/sysctl.conf**:
::
net.ipv4.ip_forward=1