diff --git a/update.sh b/update.sh
index 5633f2b..0c251f8 100755
--- a/update.sh
+++ b/update.sh
@@ -59,7 +59,13 @@ readonly CYAN='\033[0;36m'
 readonly NC='\033[0m' # No Color
 
 # Configuration
-readonly LOG_FILE="/var/log/system-update.log"
+if [[ -w "/var/log" ]]; then
+    LOG_FILE="/var/log/system-update.log"
+else
+    LOG_FILE="$HOME/.local/share/system-update.log"
+    mkdir -p "$(dirname "$LOG_FILE")"
+fi
+readonly LOG_FILE
 
 # Global variables
 ERRORS_DETECTED=0
@@ -516,6 +522,9 @@ perform_system_update() {
                 increment_error "Failed to upgrade packages with nala"
                 return 1
             fi
+
+            log_message "INFO" "Cleaning up unused packages with nala..."
+            sudo nala autoremove -y
             ;;
         dnf)
             log_message "INFO" "Checking for updates with dnf..."
@@ -526,6 +535,9 @@ perform_system_update() {
                 increment_error "Failed to upgrade packages with dnf"
                 return 1
             fi
+
+            log_message "INFO" "Cleaning up unused packages with dnf..."
+            sudo dnf autoremove -y
             ;;
         apt)
             log_message "INFO" "Updating package lists with apt..."
@@ -539,12 +551,42 @@ perform_system_update() {
                 increment_error "Failed to upgrade packages with apt"
                 return 1
             fi
+
+            log_message "INFO" "Cleaning up unused packages with apt..."
+            sudo apt autoremove -y && sudo apt autoclean
             ;;
     esac
 
+    # Universal packages
+    if command -v flatpak &> /dev/null; then
+        log_message "INFO" "Updating Flatpak packages..."
+        flatpak update -y
+    fi
+
+    if command -v snap &> /dev/null; then
+        log_message "INFO" "Updating Snap packages..."
+        sudo snap refresh
+    fi
+
     log_message "INFO" "System package update completed successfully"
 }
 
+update_signal() {
+    # check if hostname is `mini`
+    if [[ "$(hostname)" != "mini" ]]; then
+        debug_log "Signal update is only available on host 'mini'"
+        return 0
+    fi
+
+    # check if distrobox is installed
+    if ! command -v distrobox-upgrade &> /dev/null; then
+        debug_log "distrobox is not installed"
+        return 0
+    fi
+
+    distrobox-upgrade signal
+}
+
 ################################################################################
 # Main Execution
 ################################################################################
@@ -583,6 +625,9 @@ main() {
     upgrade_oh_my_zsh
     perform_system_update
 
+    # signal is made available using distrobox and is only available on `mini`
+    update_signal
+
     # Restart services
     if [[ "$SKIP_SERVICES" != true ]]; then
         if [[ "$SKIP_PLEX" != true ]]; then
@@ -594,6 +639,11 @@ main() {
         debug_log "Skipping all service management due to --skip-services flag"
     fi
 
+    # Check for reboot requirement
+    if [[ -f /var/run/reboot-required ]]; then
+        log_message "WARN" "A system reboot is required to complete the update."
+    fi
+
     # Final status
     if [[ $ERRORS_DETECTED -eq 0 ]]; then
         log_message "INFO" "System update completed successfully!"