+#### misc configurations
+chroot $FAI_ROOT bash <<'EOFOUTER'
+if getent group systemd-journal >/dev/null; then
+ # makes the journal be saved to disk.
+ mkdir -p /var/log/journal
+ chmod 755 /var/log/journal
+fi
+debconf-set-selections <<EOF
+kexec-tools kexec-tools/load_kexec boolean false
+EOF
+apt-get install -y pxe-kexec
+
+# this is usefull. Only thing reason I see this being disabled by default is
+# that a normal user can disrupt the system, eg cause a reboot.
+sed -i '$a kernel.sysrq=1
+/^kernel.sysrq=/d' /etc/sysctl.conf
+
+EOFOUTER
+
+
+if [[ $FAI_ACTION != dirinstall ]] && ! ifclass NOCRYPT; then
+ # luks options, see man systemd-cryptsetup-generator
+ # all i know is that with luks.crypttab=no, swap still timed out on boot.
+ # and with rd.luks.crypttab=no, it works.
+ if ifclass LINODE; then
+ speed=19200
+ cmdline="rd.luks.crypttab=no net.ifnames=0 console=ttyS0,${speed}n8"
+ else
+ speed=115200
+ cmdline="rd.luks.crypttab=no net.ifnames=0 console=ttyS0,${speed}n8 console=tty0"
+ case $HOSTNAME in
+ kd)
+ fcopy -v /usr/bin/myncq
+
+ cat >$target/etc/systemd/system/myncq.service <<'EOF'
+[Unit]
+Description=fix ncq errors
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/myncq
+TimeoutStartSec=20
+
+[Install]
+# https://www.enricozini.org/blog/2017/debian/systemd-07-devices/
+WantedBy=dev-disk-by\x2did-ata\x2dSamsung_SSD_870_QVO_8TB_S5VUNG0N900656V.device
+EOF
+
+ chroot $FAI_ROOT bash <<'EOFOUTER'
+systemctl enable myncq.service
+/usr/bin/myncq no-upgrub
+EOFOUTER
+
+ ;;
+ # per rubens suggestion to make a d16 more stable
+ kd|kw) cmdline+=" pci=realloc=off" ;;
+ esac
+ fi
+
+ cat >$FAI_ROOT/etc/grub.d/40_custom <<EOF
+#!/bin/sh
+exec tail -n +3 \$0
+# This file provides an easy way to add custom menu entries. Simply type the
+# menu entries you want to add after this comment. Be careful not to change
+# the 'exec tail' line above.
+
+# https://www.coreboot.org/Serial_console # tty
+# but removed unneeded stuff
+
+serial --speed=$speed
+terminal_input --append serial
+terminal_output --append serial
+EOF
+
+
+ chroot $FAI_ROOT bash <<EOF
+set -eE -o pipefail
+# https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
+
+sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")quiet/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) quiet([ "])/\1\2/' /etc/default/grub
+sed -ri 's/(^GRUB_CMDLINE_LINUX_DEFAULT=")splash/\1/;s/^(GRUB_CMDLINE_LINUX_DEFAULT=".*) splash([ "])/\1\2/' /etc/default/grub
+
+for arg in $cmdline; do
+ if ! grep "^GRUB_CMDLINE_LINUX_DEFAULT=.*[\" ]${arg//./\\.}[\" ]" /etc/default/grub; then
+ sed -ri "s/^GRUB_CMDLINE_LINUX_DEFAULT=\"(.*)/GRUB_CMDLINE_LINUX_DEFAULT=\"$arg \1/" /etc/default/grub
+ fi
+done
+
+if grep -qF "$cmdline" /etc/default/grub; then
+ # already set things, exit
+ exit 0
+fi
+sed -ri 's/^ *GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="$cmdline"/' /etc/default/grub
+# on xenial, no grub is displayed at all. fix that.
+# found just by noticing this in the config file, and a
+# warning about it in error.log
+sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub
+
+if type -P update-grub2 &>/dev/null; then
+ update-grub2
+else
+ update-grub
+fi
+
+EOF
+fi ##### end != dirinstall && != NOCRYPT
+
+
+###### 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
+
+
+# bitfolk installer handles the rest
+case $HOSTNAME in
+ bk|je) exit 0 ;;
+esac
+
+
+# bug fix, somewhere between t9's xorg 1.19.6
+# and 1.20.1-3ubuntu2
+# xserver-xorg-video-nouveau 1:1.0.15-3
+# xorg stopped load nouveau
+# https://www.linuxquestions.org/questions/slackware-14/kernel-modules-conflicting-with-nouveau-driver-4175623867/
+# https://nouveau.freedesktop.org/InstallNouveau.html
+if lspci|grep -q 'GeForce GTX 6[0-9][0-9]\]'; then
+ mkdir -p $target/etc/X11/xorg.conf.d/
+ cat >$target/etc/X11/xorg.conf.d/10-nouveau.conf <<'EOF'
+Section "Device"
+Identifier "Device0"
+Driver "nouveau"
+EndSection
+EOF
+fi
+
+# 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
+ 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
+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
+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
+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'