Configuring the network
Next, let's look at some basic network configurations so that we can communicate with the outside world. I am assuming that there is an Ethernet interface, eth0
, and that we only need a simple IP v4 configuration.
These examples use the network utilities that are part of BusyBox, and are sufficient for a simple use case, using the old-but-reliable ifup
and ifdown
programs. You can read the man pages on both for more details. The main network configuration is stored in /etc/network/interfaces
. You will need to create these directories in the staging directory:
etc/network etc/network/if-pre-up.d etc/network/if-up.d var/run
For a static IP address, etc/network/interfaces
would look like this:
auto lo iface lo inet loopback auto ...
Get Embedded Linux for Developers now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.