Hot fixes for OS elements (#24)

* halt only for specified user

* neobotix sudoers file

* added cleanup script

* query user + clear history

* new dependencies: vino, openssh-server

* autostart vino server

* enable keyboard layout switcher

* added vino configuration. closes #15.

* extend udev rule for serial converter

* close #23; powermanagement, lockscreen and screensaver.

* update the debian package

* shutdown and poweroff without password prompt.

* update the debian package

* use correct user account to set gsettings

* disable blank screen

* v. 1.0.3

* adding multicasting for loopback

* better way to clear bash history

---------

Co-authored-by: par <reiter@neobotix.de>

debian/neobotix-tools/DEBIAN/control

@@ -1,10 +1,10 @@
 Package: neobotix-tools
-Version: 1.0.2
+Version: 1.0.3
 Maintainer: Paul Reiter <reiter@neobotix.de>
 Section: misc
 Priority: optional
 Architecture: all
-Depends: secure-delete, xfconf, xfce4-xkb-plugin, x2goserver, x2goserver-xsession, net-tools, cloud-guest-utils, mousepad, vim
+Depends: secure-delete, xfconf, xfce4-xkb-plugin, x2goserver, x2goserver-xsession, net-tools, cloud-guest-utils, mousepad, vim, vino, openssh-server
 Description: neobotix-tools
   This package configures operating system and installs useful tools and
   dependencies needed for running middleware software on Neobotix robot

debian/neobotix-tools/DEBIAN/postinst

@@ -19,7 +19,8 @@ echo 'autologin-user='$user >> /etc/lightdm/lightdm.conf
 echo 'autologin-user-timeout=0' >> /etc/lightdm/lightdm.conf
 
 # Halt without pwd
-echo '%sudo ALL=NOPASSWD: /sbin/halt,/sbin/reboot' | EDITOR='tee -a' visudo
+echo "$user ALL=NOPASSWD: /sbin/halt,/sbin/reboot,/sbin/poweroff,/sbin/shutdown" > /etc/sudoers.d/neobotix
+visudo -c -f /etc/sudoers.d/neobotix
 
 # Disable auto upgrades
 sed -i 's/APT::Periodic::Update-Package-Lists "1"/APT::Periodic::Update-Package-Lists "0"/' /etc/apt/apt.conf.d/20auto-upgrades
@@ -29,11 +30,13 @@ sed -i 's/APT::Periodic::Update-Package-Lists "1"/APT::Periodic::Update-Package-
 #grep '/opt/neobotix/tools/enable_can0.sh' /etc/crontab || echo '@reboot /opt/neobotix/tools/enable_can0.sh' >> /etc/crontab
 
 if ! crontab -l | grep -q '/opt/neobotix/tools/enable_can0.sh'; then (crontab -l 2>/dev/null; echo "@reboot /opt/neobotix/tools/enable_can0.sh") | crontab -; fi
+if ! crontab -l | grep -q '/opt/neobotix/tools/enable_multicast_lo.sh'; then (crontab -l 2>/dev/null; echo "@reboot /opt/neobotix/tools/enable_multicast_lo.sh") | crontab -; fi
 
 # Setup udev rules for serial converter
 echo 'SUBSYSTEM=="tty", SUBSYSTEMS=="usb", ENV{ID_VENDOR}=="FTDI", ENV{ID_MODEL_ID}=="6010", ENV{ID_USB_INTERFACE_NUM}=="00", SYMLINK+="neo-relayboard"' > /etc/udev/rules.d/99-usb-serial.rules
 echo 'SUBSYSTEM=="tty", SUBSYSTEMS=="usb", ENV{ID_VENDOR}=="FTDI", ENV{ID_MODEL_ID}=="6010", ENV{ID_USB_INTERFACE_NUM}=="01", SYMLINK+="neo-s300-1"' >> /etc/udev/rules.d/99-usb-serial.rules
 echo 'SUBSYSTEM=="tty", SUBSYSTEMS=="usb", ENV{ID_VENDOR}=="FTDI", ENV{ID_MODEL_ID}=="6001", SYMLINK+="neo-s300-2"' >> /etc/udev/rules.d/99-usb-serial.rules
+echo 'SUBSYSTEM=="tty", SUBSYSTEMS=="usb", ENV{ID_VENDOR}=="FTDI", ENV{ID_MODEL_ID}=="6015", SYMLINK+="neo-s300-2"' >> /etc/udev/rules.d/99-usb-serial.rules
 
 # Update GRUB
 cp /etc/default/grub /etc/default/grub_`date +"%Y-%m-%d_%T"`
@@ -42,6 +45,24 @@ sed -i -e 's%GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"%GRUB_CMDLINE_LINUX_DEFAUL
 sed -i -e 's%#GRUB_TERMINAL=console%GRUB_TERMINAL=console%g' /etc/default/grub
 update-grub
 
+# Configure vino
+stty_orig=$(stty -g)
+stty -echo
+IFS= read -p "Please enter VNC password: " -r passwd
+stty "$stty_orig"
+echo ''
+sudo -Hu $user gsettings set org.gnome.Vino require-encryption false
+sudo -Hu $user gsettings set org.gnome.Vino prompt-enabled false
+sudo -Hu $user gsettings set org.gnome.Vino authentication-methods "['vnc']"
+sudo -Hu $user gsettings set org.gnome.Vino vnc-password $(echo -n "$passwd"|base64)
+
+# Add vino to autostart
+mkdir -p /home/$user/.config/autostart
+echo '[Desktop Entry]' > /home/$user/.config/autostart/vino.desktop
+echo 'Type=Application' >> /home/$user/.config/autostart/vino.desktop
+echo 'Name=Vino Server' >> /home/$user/.config/autostart/vino.desktop
+echo 'Exec=systemctl --user start vino-server' >> /home/$user/.config/autostart/vino.desktop
+
 #su -c /opt/neobotix/tools/xfce_tweaks.sh $user
 #sudo -u $user /opt/neobotix/tools/xfce_tweaks.sh
 mkdir -p /home/$user/.config/autostart

debian/neobotix-tools/opt/neobotix/tools/cleanup.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -e
+
+if [ $SUDO_USER ]; then user=$SUDO_USER; else user=`whoami`; fi
+
+# check for root privileges
+uid=$(/usr/bin/id -u) && [ "$uid" = "0" ] || { echo "Run this script as root!"; exit 1; }
+
+# empty trash
+rm -rf /home/$user/.local/share/Trash/*
+
+# remove unused packages
+apt-get -y autoremove
+
+# delete ros logs
+rm -rf /home/$user/.ros/log/*
+
+# delete pilot logs
+rm -rf /home/$user/pilot/user/data/logs/*
+
+# delete system logs
+rm -rf /var/log/*
+
+# this is needed for journalctl (systemd)
+mkdir /var/log/journal
+
+# clear bash history
+>/home/$user/.bash_history
+sudo -u$user bash -c "unset HISTFILE; history -c && history -w;"
+
+exit 0

debian/neobotix-tools/opt/neobotix/tools/enable_multicast_lo.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -e
+
+sudo ip link set lo multicast on

debian/neobotix-tools/opt/neobotix/tools/xfce_tweaks.sh

@@ -6,19 +6,27 @@ if [ $SUDO_USER ]; then user=$SUDO_USER; else user=`whoami`; fi
 xfconf-query -c xfwm4 -p /general/use_compositing -t bool -s false
 
 # Add keyboard language switcher to panel
-#xfce4-panel --add=xkb
+xfce4-panel --add=xkb
 
-# Disable lockscreen
+# Disable display power management
 xset s 0 0
 xset s off -dpms 
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/blank-on-ac -s 0
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/dpms-on-ac-off -s 0
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/dpms-on-ac-sleep -s 0
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/blank-on-battery -s 0
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/dpms-on-battery-off -s 0
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/dpms-on-battery-sleep -s 0
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/dpms-enabled -s false
+
+# Disable screensaver and lockscreen
+xfconf-query -c xfce4-screensaver -p /saver/enabled -t "bool" -s false -n
+xfconf-query -c xfce4-screensaver -p /lock/enabled -t "bool" -s false -n
 xfconf-query -c xfce4-session -p /shutdown/LockScreen -s false
 xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/lock-screen-suspend-hibernate -s false
 
-# Disable power saving
-gsettings set org.gnome.settings-daemon.plugins.power ambient-enabled false
-gsettings set org.gnome.settings-daemon.plugins.power idle-dim false
-gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 'nothing'
-gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-battery-type 'nothing'
+# Showdown when power button is pressed
+xfconf-query -c xfce4-power-manager -p /xfce4-power-manager/power-button-action -s 4
 
 # Disable saved sessions
 rm -rf /home/$user/.cache/sessions/* && chmod 500 /home/$user/.cache/sessions