+
+
+
+###### begin network setup ####
+
+# use old names. the idea of them changing between boots has never
+# happened to me and I usually only have 1 wired or other type.
+# If I ever do need to care about it, I will.
+# Strangely this didn't work on kw, so I added kernel cmdline parameter.
+# https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/
+ln -sf /dev/null $target/etc/systemd/network/99-default.link
+
+# use networkmanager if this host has wireless.
+
+if type -p iw &>/dev/null && [[ $(iw dev) ]]; then
+ chroot $FAI_ROOT bash <<EOF
+apt-get -y install network-manager
+EOF
+
+ # allow networkmanager to manage interfaces
+ #https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1638842
+ touch $target/etc/NetworkManager/conf.d/10-globally-managed-devices.conf
+ # in a default desktop install, it looks like netplan creates this file under
+ # run/NetworkManager/conf.d in early boot.
+
+ # By default, dns=default is set in etiona, and dns is just broken.
+ # Maybe with resolvconf it would work, but theres no need for that.
+ # https://wiki.gnome.org/Projects/NetworkManager/DNS
+ cat >$target/etc/NetworkManager/conf.d/99-iank.conf <<'EOF'
+[main]
+dns=systemd-resolved
+EOF
+
+else
+ cat > $target/etc/network/interfaces <<-EOF
+# generated by FAI
+auto lo eth0
+iface lo inet loopback
+iface eth0 inet dhcp
+iface eth0 inet6 auto
+EOF
+
+ # previously had an else condition after
+ #elif ifclass VM || ifclass LINODE; then
+ # iface $NIC1 inet manual
+ # iface br0 inet dhcp
+ # bridge_ports $NIC1
+ # bridge_stp off
+ # bridge_maxwait 0
+ # however, on t9, on startup, br0, became
+ # rename1 and didn't come up. i dunno why,
+ # but the bridge is for vms that I rarely use,
+ # so not bothering to figure it out.
+
+
+fi
+
+rm -f $target/etc/resolv.conf
+ln -s ../run/systemd/resolve/stub-resolv.conf $target/etc/resolv.conf
+# needed for bitfolk image
+if [[ -e /a/bin/fai/fai-wrapper ]]; then
+ systemctl enable systemd-resolved
+ systemctl start systemd-resolved
+fi
+
+if ifclass LINODE; then
+ mkdir -p $target/etc/initramfs-tools/conf.d
+ cat >$target/etc/initramfs-tools/conf.d/mine <<EOF
+# dhcp in initramfs doesn't work on linode. i dunno why, whatever.
+# man 5 initramfs.conf
+# /usr/share/doc/klibc-utils/README.ipconfig.gz
+# /usr/share/initramfs-tools/scripts/functions
+IP=$linode_ip::$linode_gw:255.255.255.0::eth0:off
+EOF
+
+
+ if [[ $HOSTNAME == li ]]; then
+
+ cat > $target/etc/network/interfaces <<-EOF
+# generated by FAI
+auto lo eth0
+iface lo inet loopback
+iface eth0 inet dhcp
+# for the standard network config, uncomment this and comment the lines after it.
+#iface eth0 inet6 auto
+
+iface eth0 inet6 static
+# this is really a /128. it seems like we need to assign it for ipv6 to work.
+address 2600:3c00::f03c:91ff:fe6d:baf8/64
+gateway fe80::1
+
+iface eth0 inet6 static
+# from a requested /64 pool
+address 2600:3c00:e000:280::2/64
+EOF
+ fi
+
+fi
+
+# I prefer to stick with ifup/down for now. a. networkd is not in its
+# own package, so cant use in other init systems. b. it works fine.
+chroot $FAI_ROOT bash <<EOF
+systemctl disable systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
+systemctl mask systemd-networkd.socket systemd-networkd networkd-dispatcher systemd-networkd-wait-online
+EOF
+
+##### end network setup #####