remove the locked / root fs

kiosk_skeleton/build.sh

@@ -81,6 +81,7 @@ systemctl enable ssh
 systemctl enable kiosk-sechedule-screen.service
 systemctl enable schedule-reboot.service
 systemctl enable screen-refresh.service
+systemctl enable setup-screen-refresh.service
 
 
 # generate a version info/build info file

kiosk_skeleton/etc/systemd/system/setup-refresh-timer.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Initial screen refresh timer setup
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/setup-refresh-timer
+RemainAfterExit=true
+
+[Install]
+WantedBy=multi-user.target

raspberry_pi_skeleton/boot/cmdline.txt

@@ -1 +1 @@
-console=serial0,115200 console=tty1 root=PARTUUID=544c6228-02 rootfstype=ext4 ro rootwait logo.nologo consoleblank=0 loglevel=0 quiet
+console=serial0,115200 console=tty1 root=PARTUUID=544c6228-02 rootfstype=ext4 rw rootwait logo.nologo consoleblank=0 loglevel=0 quiet