diff --git a/arch-iso-builder.sh b/arch-iso-builder.sh
index 6196798..9272d09 100755
--- a/arch-iso-builder.sh
+++ b/arch-iso-builder.sh
@@ -1,67 +1,166 @@
 #!/bin/bash
-
 # Exit on error
 set -e
-
 ##################################################################################################################
-#   Custom Arch ISO Builder Script
+#   Custom Arch ISO Builder Script (Linux Version)
 ##################################################################################################################
 
 # Get absolute path of script directory
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-# Check if running on btrfs
-if lsblk -f | grep btrfs > /dev/null 2>&1; then
-    echo "Warning: Building on BTRFS filesystem. Make backups before continuing."
-    read -p "Press Enter to continue... CTRL + C to stop"
-fi
-
 # Setting general parameters
 buildFolder="$SCRIPT_DIR/build"
 outFolder="$SCRIPT_DIR/out"
+dockerImageName="arch-iso-builder-kde"
+dockerContainerName="arch-iso-builder-kde-container"
+
+# Get current user ID and group ID
+HOST_UID=$(id -u)
+HOST_GID=$(id -g)
+
+# Check if Docker is installed
+if ! command -v docker &> /dev/null; then
+    echo "Docker is not installed. Installing Docker..."
+    sudo pacman -S --noconfirm docker
+    
+    # Start and enable Docker service
+    echo "Starting Docker service..."
+    sudo systemctl start docker
+    sudo systemctl enable docker
+    
+    # Add current user to docker group to avoid using sudo
+    echo "Adding current user to docker group..."
+    sudo usermod -aG docker $(whoami)
+    
+    echo "Docker installation completed. You may need to log out and back in for group changes to take effect."
+    echo "Continuing with Docker as root for now..."
+fi
+
+# Check if Docker daemon is running
+if ! docker info &> /dev/null; then
+    echo "Docker daemon is not running. Starting Docker service..."
+    sudo systemctl start docker
+    
+    # Wait for Docker daemon to start (with timeout)
+    echo "Waiting for Docker daemon to start..."
+    max_attempts=10
+    attempt=1
+    while ! docker info &> /dev/null; do
+        if [ $attempt -gt $max_attempts ]; then
+            echo "Error: Docker daemon failed to start after $max_attempts attempts."
+            echo "Please try starting it manually with: sudo systemctl start docker"
+            exit 1
+        fi
+        echo "Attempt $attempt/$max_attempts: Docker daemon not ready yet. Waiting 2 seconds..."
+        sleep 2
+        attempt=$((attempt+1))
+    done
+    echo "Docker daemon is now running."
+fi
 
 echo "################################################################"
 echo "Build folder: $buildFolder"
 echo "Out folder : $outFolder"
 echo "################################################################"
+echo "Building in Docker - using all CPU cores"
+echo "################################################################"
 
-# Check if archiso is installed
-if ! pacman -Qi archiso &> /dev/null; then
-    echo "Installing archiso..."
-    sudo pacman -S --noconfirm archiso
+# Create Docker image if it doesn't exist
+if ! docker image inspect "$dockerImageName" &>/dev/null; then
+    echo "Creating Docker image: $dockerImageName..."
+    # Create temporary Dockerfile
+    cat > "$SCRIPT_DIR/Dockerfile" << EOF
+FROM archlinux:latest
+
+# Update system and install required packages
+RUN pacman -Syu --noconfirm && \
+    pacman -S --noconfirm archiso base-devel git sudo
+
+# Create a build user with same UID as host user
+RUN useradd -m -G wheel -u $HOST_UID builder && \
+    echo '%wheel ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
+
+# Set up working directory
+WORKDIR /build
+
+# Keep container running for reuse
+CMD ["/bin/bash"]
+EOF
+
+    # Build Docker image
+    docker build -t "$dockerImageName" -f "$SCRIPT_DIR/Dockerfile" "$SCRIPT_DIR"
+    
+    # Remove temporary Dockerfile
+    rm "$SCRIPT_DIR/Dockerfile"
 fi
 
-# Make mkarchiso verbose
-sudo sed -i 's/quiet="y"/quiet="n"/g' /usr/bin/mkarchiso
+# Check if container exists
+if docker container inspect "$dockerContainerName" &>/dev/null; then
+    # Container exists, check if it's running
+    if [ "$(docker container inspect -f '{{.State.Running}}' "$dockerContainerName")" != "true" ]; then
+        echo "Starting existing Docker container: $dockerContainerName..."
+        docker start "$dockerContainerName"
+    else
+        echo "Using existing running Docker container: $dockerContainerName..."
+    fi
+else
+    # Container doesn't exist, create and start it
+    echo "Creating and starting Docker container: $dockerContainerName..."
+    docker run -d \
+        --name "$dockerContainerName" \
+        --privileged \
+        --cpus="$(nproc)" \
+        -v "$SCRIPT_DIR:/build" \
+        "$dockerImageName" \
+        tail -f /dev/null
+fi
 
-echo "Cleaning build environment..."
-[ -d "$buildFolder" ] && sudo rm -rf "$buildFolder"
-mkdir -p "$buildFolder"
+# Create required directories
+mkdir -p "$buildFolder" "$outFolder"
 
-echo "Copying releng folder to build directory..."
-cp -r "$SCRIPT_DIR/releng" "$buildFolder/"
-
-#echo "Cleaning pacman cache..."
-#yes | sudo pacman -Scc
-
-echo "Creating output directory..."
-mkdir -p "$outFolder"
-
-echo "Building ISO..."
-cd "$buildFolder/releng"
-sudo mkarchiso -v -w "$buildFolder" -o "$outFolder" "$PWD"
-
-# Save package list
-echo "Saving package list..."
-rename=$(date +%Y-%m-%d)
-cp "$buildFolder/iso/arch/pkglist.x86_64.txt" "$outFolder/archlinux-$rename-pkglist.txt"
-
-echo "Cleaning build environment..."
-[ -d "$buildFolder" ] && sudo rm -rf "$buildFolder"
-
-sudo chown -R $USER:$GROUP "$outFolder"
+# Run the build process inside Docker
+echo "Building ISO in Docker container..."
+docker exec -it "$dockerContainerName" bash -c "
+    cd /build && \
+    # Make mkarchiso verbose
+    sudo sed -i 's/quiet=\"y\"/quiet=\"n\"/g' /usr/bin/mkarchiso && \
+    # Clean build environment
+    [ -d \"/build/build\" ] && sudo rm -rf \"/build/build\" && \
+    mkdir -p \"/build/build\" && \
+    # Copy releng folder
+    cp -r \"/build/releng\" \"/build/build/\" && \
+    # Copy pkgs folder (if it exists), then generate repo db
+    if [ -d \"/build/pkgs\" ]; then
+        cp -r \"/build/pkgs\" \"/build/build/\" && \
+        echo \"Copied pkgs folder to build directory\" && \
+        if ls /build/build/pkgs/*.pkg.tar.* 1>/dev/null 2>&1; then
+            echo \"Generating local repository database (repo-add custom.db.tar.gz) ...\" && \
+            sudo repo-add /build/build/pkgs/custom.db.tar.gz /build/build/pkgs/*.pkg.tar.* && \
+            echo \"Local repo database created.\"
+        else
+            echo \"No .pkg.tar.* files found in pkgs. Skipping repo-add.\"
+        fi
+    else
+        echo \"Warning: pkgs folder not found in \$SCRIPT_DIR\"
+    fi && \
+    # Create output directory
+    mkdir -p \"/build/out\" && \
+    # Build ISO
+    cd \"/build/build/releng\" && \
+    sudo mkarchiso -v -w \"/build/build\" -o \"/build/out\" \"\$PWD\" && \
+    # Save package list
+    rename=\$(date +%Y-%m-%d) && \
+    if [ -f \"/build/build/iso/arch/pkglist.x86_64.txt\" ]; then
+        sudo cp \"/build/build/iso/arch/pkglist.x86_64.txt\" \"/build/out/archlinux-\$rename-pkglist.txt\"
+    fi && \
+    # Clean build environment
+    sudo rm -rf \"/build/build\" && \
+    # Fix permissions on out folder
+    sudo chown -R $HOST_UID:$HOST_GID \"/build/out\"
+"
 
 echo "################################################################"
 echo "DONE"
 echo "Check your out folder: $outFolder"
 echo "################################################################"
+
diff --git a/pkgs/custom.db b/pkgs/custom.db
deleted file mode 120000
index 2ca137e..0000000
--- a/pkgs/custom.db
+++ /dev/null
@@ -1 +0,0 @@
-custom.db.tar.gz
\ No newline at end of file
diff --git a/pkgs/custom.db.tar.gz b/pkgs/custom.db.tar.gz
deleted file mode 100644
index 7d94251..0000000
Binary files a/pkgs/custom.db.tar.gz and /dev/null differ
diff --git a/pkgs/custom.files b/pkgs/custom.files
deleted file mode 120000
index 3ac51f6..0000000
--- a/pkgs/custom.files
+++ /dev/null
@@ -1 +0,0 @@
-custom.files.tar.gz
\ No newline at end of file
diff --git a/pkgs/custom.files.tar.gz b/pkgs/custom.files.tar.gz
deleted file mode 100644
index f814d76..0000000
Binary files a/pkgs/custom.files.tar.gz and /dev/null differ
diff --git a/releng/airootfs/root/install-calamares.sh b/releng/airootfs/root/install-calamares.sh
index d7fe2fa..6703086 100644
--- a/releng/airootfs/root/install-calamares.sh
+++ b/releng/airootfs/root/install-calamares.sh
@@ -3,20 +3,11 @@
 SOURCE_DIR="/root/calamares-build"
 
 # Create required directories
-mkdir -p /usr/lib/calamares
 mkdir -p /usr/share/calamares
 mkdir -p /usr/include/libcalamares
-mkdir -p /usr/bin
 mkdir -p /etc/calamares
 
-# Copy main executable
-cp "${SOURCE_DIR}/bin/calamares" /usr/bin/
-cp "${SOURCE_DIR}/usr/bin/ckbcomp" /usr/bin
-
 # Copy exact files as in manual commands
-cp -r "${SOURCE_DIR}/lib/libcalamares.so" /usr/lib/
-cp -r "${SOURCE_DIR}/lib/libcalamaresui.so" /usr/lib/
-cp -r "${SOURCE_DIR}/lib/calamares" /usr/lib/
 cp -r "${SOURCE_DIR}/usr/share/calamares" /usr/share/
 cp -r "${SOURCE_DIR}/usr/include/libcalamares" /usr/include/
 cp -r "${SOURCE_DIR}/etc/calamares" /etc/
diff --git a/releng/airootfs/root/ros-settings.sh b/releng/airootfs/root/ros-settings.sh
index 8b22416..1c7edcd 100644
--- a/releng/airootfs/root/ros-settings.sh
+++ b/releng/airootfs/root/ros-settings.sh
@@ -11,7 +11,8 @@ mv "${SOURCE_DIR}/archlinux-logo-text-dark.svg" /usr/share/pixmaps/
 cp "${SOURCE_DIR}/view-app-grid-symbolic.svg" /usr/share/icons/Yaru/scalable/actions/
 mv "${SOURCE_DIR}/view-app-grid-symbolic.svg" /home/$USER/.icons/Yaru/scalable/actions/
 
-mv "${SOURCE_DIR}/raveos-sddm" /usr/share/sddm/themes/
+mv /root/raveos-sddm /usr/share/sddm/themes/
+chmod 755 /usr/share/sddm/themes/raveos-sddm
 
 chmod 755 /usr/share/pixmaps/raveos-logo.svg
 chmod 755 /usr/share/pixmaps/archlinux-logo-text.svg
@@ -21,8 +22,6 @@ chmod 755 /usr/share/pixmaps/faces/rave-pp.png
 chmod 755 /usr/share/icons/Yaru/scalable/actions/view-app-grid-symbolic.svg
 chmod 755 /home/$USER/.icons/Yaru/scalable/actions/
 
-chmod 755 /usr/share/sddm/themes/raveos-sddm
-
 systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target geoclue.service
 
 curl -Ls https://links.rp1.hu/progsgui -o /usr/local/bin/progs/3progs.sh
@@ -56,3 +55,4 @@ rm /usr/share/applications/stoken-gui.desktop
 #SystemAccount=false" | tee /var/lib/AccountsService/users/$USER
 
 
+
diff --git a/releng/airootfs/usr/local/bin/progs/3progs.sh.desktop b/releng/airootfs/usr/local/bin/progs/3progs.sh.desktop
index 7fe5a8f..07e1d34 100644
--- a/releng/airootfs/usr/local/bin/progs/3progs.sh.desktop
+++ b/releng/airootfs/usr/local/bin/progs/3progs.sh.desktop
@@ -10,5 +10,5 @@ Name=RP-ProgramScript-AS
 Comment[en_GB]=
 Comment[hu_HU]=
 Comment=
-Exec=bash -c "konsole -e plasma-apply-wallpaperimage /usr/share/backgrounds/raveos-bg.png;konsole -e /usr/local/bin/progs/3progs.sh"'
+Exec=/usr/local/bin/progs/3progs.sh
 
diff --git a/releng/airootfs/usr/local/bin/progs/ros-backup-restore.sh b/releng/airootfs/usr/local/bin/progs/ros-backup-restore.sh
index 6578891..46971cb 100755
--- a/releng/airootfs/usr/local/bin/progs/ros-backup-restore.sh
+++ b/releng/airootfs/usr/local/bin/progs/ros-backup-restore.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-Locale=$(locale | grep "LANG" -c)
+Locale=$(locale | grep "LANG")
 Desktop=$XDG_CURRENT_DESKTOP
 
 # Text modifiers
diff --git a/releng/pacman.conf b/releng/pacman.conf
index 409ce04..d62552f 100644
--- a/releng/pacman.conf
+++ b/releng/pacman.conf
@@ -98,8 +98,8 @@ Include = /etc/pacman.d/mirrorlist
 # tips on creating your own repositories.
 [custom]
 SigLevel = Optional TrustAll
-Server = file:///home/rave/RaveOS-KDE/pkgs
+#Server = file:///home/rave/RaveOS-KDE/pkgs
 #Server = file:///home/airmancooma/Documents/OSs/RaveOS-KDE/pkgs
-
+Server = file:///build/build/pkgs