install.sh aktualisiert

Config.txt hinzugefügt

data/config/.xinitrc

@@ -24,6 +24,8 @@ then
 	WBS=https://www.wis.gmbh/
 fi
 
+sudo systemctl start chromium-monitor
+
 chromium-browser $WBS \
   --window-size=$RES \
   --window-position=0,0 \

data/config/config.txt

@@ -0,0 +1,38 @@
+# --- Basis Boot Einstellungen ---
+disable_splash=1          # Kein Raspberry-Pi-Bootlogo
+boot_delay=0              # Kein Boot-Delay (schnellerer Start)
+initial_turbo=30          # CPU für 30 Sek. auf maximale Leistung setzen (schnelleres PXE-Boot)
+
+# --- Netzwerk PXE Boot ---
+program_usb_boot_mode=1   # Aktiviert USB/Netzwerk-Boot (nur einmalig nötig)
+bootcode_delay=1          # Reduziert Wartezeit beim Netzwerkboot
+
+# --- GPU & Video Settings (für 2 Monitore) ---
+gpu_mem=192               # 192 MB Grafikspeicher für stabilen Dual-Monitor-Betrieb
+max_framebuffers=2        # Unterstützt 2 Bildschirme
+hdmi_force_hotplug=1      # Erzwungene HDMI-Erkennung (wichtig bei Boot ohne angeschlossenen Monitor)
+hdmi_drive=1              # DVI-Modus (kein Audio über HDMI)
+hdmi_ignore_edid_audio=1  # HDMI-Audio komplett deaktivieren
+dtoverlay=vc4-kms-v3d     # KMS-Grafiktreiber für beste Kompatibilität
+
+# --- Display Konfiguration ---
+disable_overscan=1        # Deaktiviert Overscan für eine saubere Anzeige
+hdmi_group=2              # Modus für explizite Auflösungswahl
+hdmi_mode=82              # 1080p @ 60 Hz
+hdmi_blanking=1           # Reduziert Stromverbrauch bei ausgeschaltetem Bildschirm
+
+# --- Touchscreen Einstellungen (falls benötigt) ---
+dtoverlay=usbtouchscreen  # Aktiviert Unterstützung für HID-kompatible USB-Touchscreens
+dtoverlay=goodix          # Aktiviert Unterstützung für I2C-basierte Goodix-Touchscreens
+dtparam=i2c_arm=on        # Falls Touchscreen über I2C läuft
+
+# --- Deaktivierung von nicht benötigten Funktionen ---
+dtoverlay=disable-wifi    # WLAN abschalten
+dtoverlay=disable-bt      # Bluetooth abschalten
+dtparam=audio=off         # Onboard-Sound deaktivieren (spart Ressourcen)
+
+# --- Optimierung für Embedded-Betrieb (stabiler und stromsparender) ---
+force_turbo=0             # Kein permanentes Overclocking (längere Lebensdauer)
+arm_boost=1               # Automatische Taktoptimierung (nur auf RPi 4/400)
+temp_limit=75             # Max. Temperaturbegrenzung (75°C)
+over_voltage=0            # Keine Spannungsanpassung (stabil)

data/scripts/ramfsRoot.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -e
+
+fail() {
+    echo -e "$1" >&2
+    exit 1
+}
+
+# Prüfen, ob genügend RAM frei ist (in KB)
+RAM_FREE=$(grep MemAvailable /proc/meminfo | awk '{print $2}')
+if [ "$RAM_FREE" -lt 3000000 ]; then  # 3GB als Mindestgrenze
+    fail "Nicht genügend freier RAM!"
+fi
+
+# RAMFS als neues Root mounten
+echo "Erstelle RAM-basiertes Root-Dateisystem..."
+mount -t ramfs -o mode=0755 ramfs /mnt || fail "Fehler beim Mounten von ramfs"
+
+# Sicherstellen, dass notwendige Verzeichnisse existieren
+mkdir -p /mnt/{proc,sys,dev,run,tmp}
+
+# Komplettes Root-Dateisystem nach RAMFS kopieren
+echo "Kopiere System nach RAM..."
+cp -ax / /mnt || fail "Fehler beim Kopieren nach RAMFS"
+
+# Mountpunkte ins neue Root verschieben
+mount --move /proc /mnt/proc
+mount --move /sys /mnt/sys
+mount --move /dev /mnt/dev
+mount --move /run /mnt/run
+
+# Wechsle zum neuen Root-FS
+cd /mnt
+pivot_root . oldroot || fail "pivot_root fehlgeschlagen"
+
+# Altes Root unmounten
+umount -l /oldroot/proc || true
+umount -l /oldroot/sys || true
+umount -l /oldroot/dev || true
+umount -l /oldroot/run || true
+umount -l /oldroot || true
+
+# Startet das System normal weiter
+exec /sbin/init

data/scripts/squashfsRoot.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+set -e
+
+fail() {
+    echo -e "$1" >&2
+    exit 1
+}
+
+echo "Lade SquashFS-Root in den RAM..."
+
+# Prüfen, ob genügend RAM verfügbar ist
+RAM_FREE=$(grep MemAvailable /proc/meminfo | awk '{print $2}')
+if [ "$RAM_FREE" -lt 1000000 ]; then  # Mindestens 1GB RAM nötig
+    fail "Nicht genügend freier RAM!"
+fi
+
+# RAMFS für SquashFS-Image erstellen
+mount -t ramfs -o mode=0755 ramfs /mnt || fail "Fehler beim Mounten von ramfs"
+
+# SquashFS-Image nach RAM laden (600-900 MB)
+cp /root.sqsh /mnt/root.sqsh || fail "Fehler beim Kopieren von SquashFS-Image"
+
+# SquashFS-Image mounten (Read-Only)
+mkdir -p /mnt/squashfs
+mount -t squashfs /mnt/root.sqsh /mnt/squashfs -o loop || fail "Fehler beim Mounten von SquashFS"
+
+# OverlayFS für Schreibzugriff einrichten
+mkdir -p /mnt/overlay/{upper,work,newroot}
+mount -t overlay overlay -o lowerdir=/mnt/squashfs,upperdir=/mnt/overlay/upper,workdir=/mnt/overlay/work /mnt/overlay/newroot || fail "Fehler beim Mounten von OverlayFS"
+
+# Mountpunkte ins neue Root verschieben
+mkdir -p /mnt/overlay/newroot/{proc,sys,dev,run,tmp}
+mount --move /proc /mnt/overlay/newroot/proc
+mount --move /sys /mnt/overlay/newroot/sys
+mount --move /dev /mnt/overlay/newroot/dev
+mount --move /run /mnt/overlay/newroot/run
+
+# Root wechseln
+cd /mnt/overlay/newroot
+pivot_root . oldroot || fail "pivot_root fehlgeschlagen"
+
+# Altes Root unmounten
+umount -l /oldroot/proc || true
+umount -l /oldroot/sys || true
+umount -l /oldroot/dev || true
+umount -l /oldroot/run || true
+umount -l /oldroot || true
+
+echo "SquashFS Root erfolgreich geladen. Starte init..."
+exec /sbin/init

install.sh

@@ -13,32 +13,39 @@ print_status() {
 
 # Update and setup system and packages
 echo -e "${RED}→${NC} Starting System Update..." | tee -a /var/log/install
-sudo apt-get update >>/var/log/install 2>&1 && print_status "System Update"
+sudo apt update >>/var/log/install 2>&1 && print_status "System Update"
-sudo apt-get full-upgrade -y >>/var/log/install 2>&1 && print_status "System Upgrade"
+sudo apt full-upgrade -y >>/var/log/install 2>&1 && print_status "System Upgrade"
 
 echo -e "${RED}→${NC} Installing required packages..." | tee -a /var/log/install
 sudo apt install --no-install-recommends realvnc-vnc-server xserver-xorg x11-xserver-utils xinit chromium-browser fonts-noto-color-emoji nfs-common watchdog xdotool rsync -y >>/var/log/install 2>&1 && print_status "Required packages installed"
 sudo apt autoremove -y >>/var/log/install 2>&1 && print_status "Autoremove"
 sudo apt clean >>/var/log/install 2>&1 && print_status "Clean"
-rm -rf /var/lib/apt/lists/* >>/var/log/install 2>&1 && print_status "Clear cache"
+sudo rm -rf /var/lib/apt/lists/* >>/var/log/install 2>&1 && print_status "Clear cache"
 
 echo -e "${RED}→${NC} Configuring Raspberry Pi settings..." | tee -a /var/log/install
 print_status ""
 
+# Set needed users
+echo -e "${RED}→${NC} Creating nescessary directorys..." | tee -a /var/log/install
+sudo mkdir -p /overlay >>/var/log/install 2>&1 && print_status "/overlay created"
+
 # Set needed users
 echo -e "${RED}→${NC} Creating user 'loginuser'..." | tee -a /var/log/install
 sudo adduser --disabled-password --gecos "" loginuser >>/var/log/install 2>&1 && print_status "User 'loginuser' created"
 
 # Copy required files
 echo -e "${RED}→${NC} Copy requiered files..." | tee -a /var/log/install
-mkdir -p /etc/chromium/policies/managed /etc/systemd/system/getty@tty1.service.d /usr/bin/custom
+sudo mkdir -p /etc/chromium/policies/managed /etc/systemd/system/getty@tty1.service.d /usr/bin/custom
 declare -A files=(
+    ["/root/rps-client/data/config/config.txt"]="/boot/firmware/config.txt"
     ["/root/rps-client/data/config/dhclient.conf"]="/etc/dhcp/dhclient.conf"
     ["/root/rps-client/data/config/override.conf"]="/etc/systemd/system/getty@tty1.service.d/override.conf"
     ["/root/rps-client/data/config/disable_password_saving.json"]="/etc/chromium/policies/managed/disable_password_saving.json"
     ["/root/rps-client/data/config/.bash_profile"]="/home/loginuser/.bash_profile"
     ["/root/rps-client/data/config/.xinitrc"]="/home/loginuser/.xinitrc"
     ["/root/rps-client/data/scripts/overlayRoot.sh"]="/sbin/overlayRoot.sh"
+    ["/root/rps-client/data/scripts/ramfsRoot.sh"]="/sbin/ramfsRoot.sh"
+    ["/root/rps-client/data/scripts/squashfsRoot.sh"]="/sbin/squashfsRoot.sh"
     ["/root/rps-client/data/scripts/remove_unused_kernel.sh"]="/root/remove_unused_kernel.sh"
     ["/root/rps-client/data/scripts/hostname"]="/usr/bin/custom/hostname"
     ["/root/rps-client/data/scripts/chromium-monitor"]="/usr/bin/custom/chromium-monitor"
@@ -59,10 +66,11 @@ print_status "All files have been successfully copied"
 echo -e "${RED}→${NC} Setting file permissions..." | tee -a /var/log/install
 sudo chown loginuser:loginuser -R /home/loginuser >>/var/log/install 2>&1 && print_status "File permissions for 'loginuser' set"
 sudo chown wis:wis -R /home/wis >>/var/log/install 2>&1 && print_status "File permissions for 'wis' set"
-sudo chmod +x /usr/bin/custom/hostname /usr/bin/custom/chromium-monitor /usr/bin/custom/watchdog-monitor /sbin/overlayRoot.sh >>/var/log/install 2>&1 && print_status "Permissions for script files set"
+sudo chmod +x /usr/bin/custom/hostname /usr/bin/custom/chromium-monitor /usr/bin/custom/watchdog-monitor /sbin/overlayRoot.sh /sbin/ramfsRoot.sh >>/var/log/install 2>&1 && print_status "Permissions for script files set"
 sudo usermod -aG video loginuser >>/var/log/install 2>&1 && print_status "Permissions for 'loginuser' set"
 echo -e "${RED}→${NC} Setting permissions for 'loginuser'..." | tee -a /var/log/install
-sudo tee /etc/sudoers.d/loginuser >>/var/log/install 2>&1 && print_status "Sudo rights for 'loginuser' set" << 'EOF'
+sudo tee /etc/sudoers.d/loginuser >>/var/log/install 2>&1 <<'EOF' \
+&& print_status "Sudo rights for 'loginuser' set"
 loginuser ALL=(ALL) NOPASSWD: /usr/bin/systemctl stop chromium-monitor, /usr/bin/systemctl start chromium-monitor
 loginuser ALL=(ALL) NOPASSWD: /usr/bin/systemctl stop watchdog-monitor, /usr/bin/systemctl start watchdog-monitor
 loginuser ALL=(ALL) NOPASSWD: /usr/bin/cat /var/lib/dhcp/*
@@ -76,6 +84,11 @@ loginuser ALL=(ALL) NOPASSWD: /usr/sbin/dhclient eth0
 loginuser ALL=(ALL) NOPASSWD: /usr/sbin/reboot
 EOF
 
+# Setze TCP-Keepalive
+echo "net.ipv4.tcp_keepalive_time = 60" >> /etc/sysctl.conf
+echo "net.ipv4.tcp_keepalive_intvl = 10"  >> /etc/sysctl.conf
+echo "net.ipv4.tcp_keepalive_probes = 6"  >> /etc/sysctl.conf
+
 # Disable root
 echo -e "${RED}→${NC} Disabling root login..." | tee -a /var/log/install
 sudo tee /etc/ssh/sshd_config >/dev/null << 'EOF'
@@ -111,13 +124,13 @@ sudo systemctl enable vncserver-x11-serviced.service >>/var/log/install 2>&1 &&
 sudo systemctl start vncserver-x11-serviced.service >>/var/log/install 2>&1 && print_status "VNC service started"
 CONFIG_FILE="/root/.vnc/config.d/vncserver-x11"
 if [ ! -d "$(dirname "$CONFIG_FILE")" ]; then
-    mkdir -p "$(dirname "$CONFIG_FILE")"
+    sudo mkdir -p "$(dirname "$CONFIG_FILE")"
     echo -e "${GREEN}✔${NC} Created directory for VNC config." | tee -a /var/log/install
 fi
 echo -e "${RED}→${NC} Do you want to set a VNC password? (y/n):" | tee -a /var/log/install
 read -r config_vnc
 if [[ "$config_vnc" =~ ^[Yy](e[Ss]?)?$ ]]; then
-    vncpasswd
+    sudo vncpasswd
     echo -e "${GREEN}✔${NC} VNC password has been set." | tee -a /var/log/install
 else
     echo -e "${GREEN}✔${NC} No VNC password will be set." | tee -a /var/log/install
@@ -147,6 +160,24 @@ else
     echo -e "${GREEN}✔${NC} Cleanup has been skipped" | tee -a /var/log/install
 fi
 
+
+# Create squashfs
+#echo -e "${RED}→${NC} Do you want to create a squashfs image of the system and copy it to the server? (y/n):" | tee -a /var/log/install
+#read -r create_squash
+#if [[ "$create_squash" =~ ^[Yy](e[Ss]?)?$ ]]; then
+#    echo -e "${RED}→${NC} Creating squashfs image..." | tee -a /var/log/install
+#    SQUASH_IMAGE="/tmp/rootfs.squashfs"
+#    SERVER_IP="192.168.120.239"
+#    SERVER_DIR="/nfs/live/rootfs"
+#    sudo mksquashfs / "$SQUASH_IMAGE" -e boot dev proc sys tmp run media mnt lost+found var/log >>/var/log/install 2>&1 && print_status "SquashFS created"
+#    echo -e "${RED}→${NC} Copying squashfs image to NFS server..." | tee -a /var/log/install
+#    sudo rsync -avh "$SQUASH_IMAGE" "$SERVER_IP:$SERVER_DIR" >>/var/log/install 2>&1 && print_status "SquashFS copied to server"
+#    sudo rm "$SQUASH_IMAGE" >>/var/log/install 2>&1 && print_status "Temporary squashfs file removed"
+#else
+#    echo -e "${GREEN}✔${NC} SquashFS creation skipped." | tee -a /var/log/install
+#fi
+
+
 # Finish
 echo -e "${GREEN}✔${NC} Installation complete. Press any key to exit..." | tee -a /var/log/install 2>&1
 read -n 1 -s