v1.7

Changelog.md

@@ -1,5 +1,10 @@
 # Change Log
 
+v1.7
+* switch from `x11vnc` to `tigervnc-scraping-server` for better vnc performance
+  * default password `superbird`, to change: `sudo vncpasswd /scripts/vnc_passwd`, and `sudo systemctl restart vnc.service`
+  * vnc password now survives upgrade via `update_local.sh`
+
 v1.6
 * `build_image.sh` can now create full image from a stock dump without extra steps
 * `image_config.sh` now contains all user-configurable values for building and updating image

README.md

@@ -112,8 +112,8 @@ ssh -p 2022 superbird@host-device
       1. for landscape, un-comment lines `38` and `71`
    5. Edit `/scripts/setup_display.sh` and `/scripts/setup_backlight.sh` to adjust backlight brightness (default 100)
       1. Restart backlight script with: `sudo systemctl restart backlight.service`
-   6. Edit `/scripts/setup_vnc.sh` to adjust VNC server settings and password
-      1. Restart vnc script with: `sudo systemctl restart vnc.service`
+   6. Change vnc password: `sudo vncpasswd /scripts/vnc_passwd`
+      1. Restart vnc server with: `sudo systemctl restart vnc.service`
 2. Using your favorite VNC client, connect by VNC to the host device's address, port 5900, if you need to interact with a page (sign in)
 3. ?
 4.  Profit

build_image.sh

@@ -26,7 +26,7 @@ PACKAGES="$PACKAGES xserver-xorg-core xserver-xorg-video-fbdev xterm xinit x11-x
 # xorg input
 PACKAGES="$PACKAGES xserver-xorg-input-evdev libinput-bin xserver-xorg-input-libinput xinput"
 # additional required tools
-PACKAGES="$PACKAGES fbset x11vnc"
+PACKAGES="$PACKAGES fbset tigervnc-scraping-server"
 
 # NOTE: we cannot install chromium at at the debootstrap stage
 #   so we install chromium and other packages in a separate stage using chroot
@@ -259,6 +259,7 @@ install_service usbgadget.service
 install_script setup_display.sh
 install_script clear_display.sh
 
+install_script vnc_passwd
 install_script setup_vnc.sh
 install_service vnc.service
 

files/data/scripts/setup_vnc.sh

@@ -3,4 +3,8 @@
 # setup vnc server
 
 LOGFILE="/var/log/vnc.log"
-/usr/bin/x11vnc -rfbport 5900 -loop -safer -passwd "superbird" -forever -notruecolor -quiet -display ":0" -shared > "$LOGFILE" 2>&1
+# To change password, run: sudo vncpasswd /scripts/vnc_passwd
+
+while :; do
+    /usr/bin/X0tigervnc -display=:0 -rfbport=5900 -rfbauth=/scripts/vnc_passwd -SecurityTypes=VncAuth > "$LOGFILE" 2>&1
+done

files/data/scripts/vnc_passwd

@@ -0,0 +1 @@
+zRqAp�

update_local.sh

@@ -2,8 +2,12 @@
 
 # update scripts and service files on a locally attached device
 #   will not overwrite any existing buttons_settings.py or chromium_settings.sh
+#   will not overwrite xorg.conf
+#   will not overwrite vnc_passwd
 #   this is intended to run on the host device, and expects key-based ssh authentication has already been setup with superbird
 
+set -e
+
 # all config lives in image_config.sh
 source ./image_config.sh
 
@@ -45,7 +49,7 @@ echo "Upgrading locally connected device"
 echo ""
 echo "Installing packages"
 # install packages, most of which should already be installed
-ssh "${USER_NAME}@${HOST_NAME}" "sudo apt update && sudo apt install -y --no-install-recommends --no-install-suggests chromium python3-minimal python3-pip"
+ssh "${USER_NAME}@${HOST_NAME}" "sudo apt update && sudo apt install -y --no-install-recommends --no-install-suggests chromium python3-minimal python3-pip tigervnc-scraping-server"
 
 # install required python packages via pip
 ssh "${USER_NAME}@${HOST_NAME}" "sudo chown -R ${USER_NAME} /scripts"
@@ -79,6 +83,7 @@ fi
 
 deploy_script_if_missing buttons_settings.py
 deploy_script_if_missing chromium_settings.sh
+deploy_script_if_missing vnc_passwd
 
 deploy_script buttons_app.py
 deploy_script clear_display.sh