-# default jessie groups + kvm & systemd-journal
-$ROOTCMD usermod -aG cdrom,floppy,sudo,audio,dip,video,plugdev,netdev,kvm,systemd-journal ian
+
+# default jessie groups + kvm, systemd-journal, adm
+usermod -aG adm,cdrom,floppy,sudo,audio,dip,video,plugdev,netdev iank
+
+if getent group systemd-journal >/dev/null; then
+ usermod -aG systemd-journal iank
+fi
+# https://askubuntu.com/questions/33416/how-do-i-disable-the-boot-splash-screen-and-only-show-kernel-and-boot-text-inst
+# it suggests not having plymouth-theme-ubuntu-text, but
+# making it not installed then kills plymouth, then makes
+# the system not boot.
+sed -ri 's/(^ *GRUB_CMDLINE_LINUX.*)quiet splash/\1/' /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
+update-grub2
+EOF