+# use networkmanager if this host has wireless.
+if [[ $HOSTNAME == bo ]] || 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
+ if [[ $HOSTNAME == frodo ]]; then
+ cat > $target/etc/network/interfaces <<-EOF
+# generated by FAI
+auto lo eth0
+iface lo inet loopback
+iface eth0 inet static
+address 10.3.0.2/16
+
+source-directory /etc/network/interfaces.d
+EOF
+ fi
+
+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
+
+source-directory /etc/network/interfaces.d
+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
+
+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
+
+source-directory /etc/network/interfaces.d
+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 #####
+
+
+if ifclass VOL_BULLSEYE_BOOTSTRAP; then
+ fcopy /etc/systemd/system/faicheck.service
+ chroot $FAI_ROOT bash <<'EOFOUTER'
+systemctl enable faicheck.service
+EOFOUTER
+ exit 0 # avoid unnecessary stuff in bootstrap vol
+fi
+
+
+## misc settings
+chroot $FAI_ROOT bash <<'EOFOUTER'
+#### begin .ssh setup ###
+set -x
+set -eE -o pipefail
+if ! [[ -s /home/iank/.ssh/authorized_keys ]]; then
+ mkdir -p /home/iank/.ssh
+ f=/root/.ssh/authorized_keys
+ if [[ -e $f ]]; then
+ cp $f /home/iank/.ssh
+ fi
+ chown -R 1000:1000 /home/iank/.ssh
+ chmod -R u=Xrw,og= /home/iank/.ssh
+ rm -rf /root/.ssh
+ # remove broken symlinks or the following cp will fail
+ find /home/iank/.ssh -xtype l -exec rm '{}' \;
+ cp -rL /home/iank/.ssh /root
+ chown -R root:root /root/.ssh
+ chmod 700 /root/.ssh
+fi
+
+# old link from
+# # https://ticktockhouse.svbtle.com/my-obligatory-ubuntu-ssh-agent-post
+# but that made a service that started too soon and didn't pick up our
+# x env vars. instead, copy from the root ssh-agent just the
+# appropriate things into a new service.
+rm -f /home/iank/.config/systemd/user/default.target.wants/ssh-agent.service
+
+rm -f /home/iank/.local/share/systemd/user/sshaiank.service \
+ /home/iank/.config/systemd/user/default.target.wants/sshaiank.service
+
+#### end .ssh setup ###
+
+## duplicated in ssh-emacs-setup
+# done here so its setup earlier for convenience
+line='AcceptEnv INSIDE_EMACS BRC COLUMNS'
+f=/etc/ssh/sshd_config
+grep -xFq "$line" $f || tee -a $f <<<"$line"
+
+
+# default debian groups (jessie through buster) + adm, root, admin
+for g in cdrom floppy audio dip video plugdev netdev adm sudo admin; do
+ if getent group $g >/dev/null; then
+ usermod -aG $g iank
+ fi
+done
+
+if getent group systemd-journal >/dev/null; then
+ usermod -aG systemd-journal iank
+fi
+EOFOUTER
+
+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
+
+