Completed new live_exam_os iso generation:

- power button now works on host OS
- brightness set to 100%
- disabled screen blanking
- updated to latest nexus-exam with authentication

live_exam_os/Dockerfile

@@ -19,16 +19,23 @@ ADD ${config_dir}/packages.list.chroot config/package-lists/
 ADD ${config_dir}/removepkg.hook.chroot config/hooks/live/
 
 ## add swiss-french keyboard config
-ADD ${config_dir}/keyboard config/includes.chroot/etc/default/
+ADD ${config_dir}/keyboard/keyboard config/includes.chroot/etc/default/
 
 ## run "nexus-exam" as soon as user logs in
 ADD ${config_dir}/nexus-exam config/includes.chroot/usr/local/bin/
 ADD ${config_dir}/nexus-exam.desktop config/includes.chroot/etc/xdg/autostart/
-RUN mkdir config/includes.chroot/etc/skel/
-# ADD ${config_dir}/Xsession config/includes.chroot/etc/X11/Xsession.d/99x-user_session
-ADD ${config_dir}/Xsession config/includes.chroot/etc/skel/.xsessionrc
 
-#RUN echo "export NEXUS_SERVER=${server_ip}\nexport NEXUS_CERT=/etc/ssl/certs/nexus-server.pem\n" >> config/includes.chroot/etc/skel/.xsessionrc
+## run various screen settings as soon as user logs in
+ADD ${config_dir}/screen/screen_settings.sh config/includes.chroot/usr/local/bin/
+ADD ${config_dir}/screen/screen_settings.desktop config/includes.chroot/etc/xdg/autostart/
+
+## systemd service to set various screen settings (does not work - not sure why)
+# ADD ${config_dir}/systemd/screen_settings.sh config/includes.chroot/usr/local/bin/
+# RUN chmod +x config/includes.chroot/usr/local/bin/screen_settings.sh
+# ADD ${config_dir}/systemd/screen_settings.service config/includes.chroot/etc/systemd/system/
+
+# RUN mkdir config/includes.chroot/etc/skel/
+# RUN echo "export NEXUS_SERVER=${server_ip}\nexport NEXUS_CERT=/etc/ssl/certs/nexus-server.pem\n" >> config/includes.chroot/etc/skel/.xsessionrc
 
 ## customize xfce4 desktop
 ADD ${config_dir}/xubuntu-development.png config/includes.chroot/usr/share/xfce4/backdrops/xubuntu-development.png
@@ -39,24 +46,23 @@ ADD ${config_dir}/xfce/xfce4-power-manager.xml config/includes.chroot/etc/xdg/xf
 ADD ${config_dir}/xfce/xfwm4.xml config/includes.chroot/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/
 
 # syslinux (bios) cfg
-ADD ${config_dir}/isolinux.cfg config/includes.binary/isolinux/isolinux.cfg
-ADD ${config_dir}/isolinux_splash.png config/includes.binary/isolinux/splash.png
+ADD ${config_dir}/bootloader/isolinux.cfg config/includes.binary/isolinux/isolinux.cfg
+ADD ${config_dir}/bootloader/isolinux_splash.png config/includes.binary/isolinux/splash.png
 # grub (uefi) cfg
-ADD ${config_dir}/grub_splash.png config/includes.binary/boot/grub/splash.png
-ADD ${config_dir}/grub_config.cfg config/includes.binary/boot/grub/config.cfg
-ADD ${config_dir}/isolinux_menu.cfg config/includes.binary/isolinux/menu.cfg
-ADD ${config_dir}/isolinux_stdmenu.cfg config/includes.binary/isolinux/stdmenu.cfg
+ADD ${config_dir}/bootloader/grub_splash.png config/includes.binary/boot/grub/splash.png
+ADD ${config_dir}/bootloader/grub_config.cfg config/includes.binary/boot/grub/config.cfg
+ADD ${config_dir}/bootloader/isolinux_menu.cfg config/includes.binary/isolinux/menu.cfg
+ADD ${config_dir}/bootloader/isolinux_stdmenu.cfg config/includes.binary/isolinux/stdmenu.cfg
 
 # server pub cert to be installed (system wide)
 #ADD ${config_dir}/${nexus_cert} config/includes.chroot/usr/share/ca-certificates/nexus-server/nexus-server.crt
 
-# script hook ran at boot time (install system wide cert and firewall)
-ADD ${config_dir}/live-exam-hook config/includes.chroot/lib/live/config/9999-custom
-# update server destination from docker's variable (all others IP are banned)
-RUN echo "firewall ${server_ip} ${server_port}\n" >> config/includes.chroot/lib/live/config/9999-custom
+# firewall hook ran at boot time
+ADD ${config_dir}/boot_hooks/firewall config/includes.chroot/lib/live/config/9999-firewall
+RUN echo "firewall ${server_ip} ${server_port}\n" >> config/includes.chroot/lib/live/config/9999-firewall
 
 # install wifi template
-ADD ${config_dir}/WIFI.nmconnection config/includes.chroot/etc/NetworkManager/system-connections/
+ADD ${config_dir}/wifi/WIFI.nmconnection config/includes.chroot/etc/NetworkManager/system-connections/
 RUN chmod 0600 config/includes.chroot/etc/NetworkManager/system-connections/WIFI.nmconnection
 
 # script hook to set password for nexus user (pwd is "pipo")

live_exam_os/config/live-exam-hook → live_exam_os/config/boot_hooks/certificates

@@ -10,25 +10,14 @@
 ## This is free software, and you are welcome to redistribute it
 ## under certain conditions; see COPYING for details.
 
-# add_nexus_certs ()
-# {
-#     if [ ! -e /etc/ssl/certs/nexus-server.pem ] && [ -e /usr/share/ca-certificates/nexus-server/nexus-server.crt ]
-#     then
-#         echo "nexus-server/nexus-server.crt" >> /etc/ca-certificates.conf
-#         update-ca-certificates
-#     fi
-# }
-
-firewall ()
+# Unused for now
+add_nexus_certs ()
 {
-    ufw default deny incoming
-    ufw default deny outgoing
-    ufw allow out from any to $1 port 80
-    ufw allow out from any to $1 port 443
-    ufw allow out from any to $1 port $2
-    ufw allow out from any to $1 port 1025:65535 proto tcp
-    ufw allow out from any to $1 port 1025:65535 proto udp
-    ufw enable
+    if [ ! -e /etc/ssl/certs/nexus-server.pem ] && [ -e /usr/share/ca-certificates/nexus-server/nexus-server.crt ]
+    then
+        echo "nexus-server/nexus-server.crt" >> /etc/ca-certificates.conf
+        update-ca-certificates
+    fi
 }
 
-# add_nexus_certs
\ No newline at end of file
+add_nexus_certs
\ No newline at end of file

live_exam_os/config/boot_hooks/firewall

+#!/bin/sh
+
+. /lib/live/config.sh
+
+firewall ()
+{
+    ufw default deny incoming
+    ufw default deny outgoing
+    ufw allow out from any to $1 port 80
+    ufw allow out from any to $1 port 443
+    ufw allow out from any to $1 port $2
+    ufw allow out from any to $1 port 1025:65535 proto tcp
+    ufw allow out from any to $1 port 1025:65535 proto udp
+    ufw enable
+}
+

live_exam_os/config/keyboard

-# KEYBOARD CONFIGURATION FILE
-
-# Consult the keyboard(5) manual page.
-
-XKBMODEL="pc105"
-XKBLAYOUT="ch"
-XKBVARIANT="fr"
-XKBOPTIONS=""
-
-BACKSPACE="guess"

live_exam_os/config/screen/screen_settings.desktop

+[Desktop Entry]
+Encoding=UTF-8
+Version=0.9.4
+Type=Application
+Name=screen settings
+Comment=
+Exec=bash /usr/local/bin/screen_settings.sh
+OnlyShowIn=XFCE;
+RunHook=0
+StartupNotify=false
+Terminal=true
+Hidden=false

live_exam_os/config/Xsession → live_exam_os/config/screen/screen_settings.sh

+#!/bin/bash
+
 # Set brightness at 100%
 screen=`xrandr -q|grep ' connected'|head -n1|cut -d ' ' -f1`
-xrandr --output $screen --brightness 0.5
+xrandr --output $screen --brightness 1
 
 # Disable screen blanking
 xset s off

live_exam_os/config/systemd/screen_settings.service

+[Unit]
+Description=Screen settings
+After=display-manager.service
+Requires=display-manager.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/bin/screen_settings.sh
+
+[Install]
+WantedBy=default.target

live_exam_os/config/systemd/screen_settings.sh

+#!/bin/bash
+
+# Set brightness at 100%
+screen=`xrandr -q|grep ' connected'|head -n1|cut -d ' ' -f1`
+xrandr --output $screen --brightness 1
+
+# Disable screen blanking
+xset s off

live_exam_os/config/xfce/xfce4-power-manager.xml

@@ -2,7 +2,7 @@
 
 <channel name="xfce4-power-manager" version="1.0">
   <property name="xfce4-power-manager" type="empty">
-    <property name="power-button-action" type="empty"/>
+    <property name="power-button-action" type="uint" value="3"/>
     <property name="dpms-enabled" type="bool" value="false"/>
   </property>
 </channel>