Configure NetworkManager to not use reverse DNS to get a hostname.

For most users that will likely fail, but it returns a default name
of linux.local. Let's avoid unnecessary hostname changes, even though
we now have a workaround for mga#28280.

1 files changed, 3 insertions, 0 deletions

diff --git a/config/build.cfg b/config/build.cfg
index 3278976..a9370f5 100644
--- a/config/build.cfg
+++ b/config/build.cfg
@@ -313,6 +313,9 @@ my $config = {
                 "systemctl -q enable NetworkManager.service",
                 "systemctl -q enable NetworkManager-wait-online.service",
                 "echo 'AUTOSTART=FALSE' > /home/live/.net_applet",
+                # Don't try to get a hostname by reverse DNS - it will most likely fail
+                # and set the hostname to linux.local.
+                "echo 'hostname-mode=dhcp' >> /etc/NetworkManager/NetworkManager.conf",
             ),
 
             # Fix permissions for copied files.