Initial commit: combine nas_tool, nas_webdav, sync-utils

free_disk_space.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+# Free Disk Space for Time Machine
+# This script helps identify and free up space on your Mac so Time Machine can work
+
+set -e
+
+echo "=== Mac Disk Space Analysis ==="
+echo ""
+
+# Check current disk usage
+echo "📊 Current Disk Status:"
+df -h / | tail -1 | awk '{print "   Total: " $2 " | Used: " $3 " (" $5 ") | Free: " $4}'
+echo ""
+
+# Check if disk is critically low
+FREE_SPACE=$(df / | tail -1 | awk '{print $4}')
+FREE_SPACE_GB=$(echo "scale=2; $FREE_SPACE / 1024 / 1024" | bc)
+
+if (( $(echo "$FREE_SPACE_GB < 5" | bc -l) )); then
+    echo "⚠️  WARNING: Disk has less than 5GB free. Time Machine requires free space to work!"
+    echo ""
+fi
+
+echo "🔍 Analyzing Large Files and Folders:"
+echo ""
+
+# Check Downloads folder
+if [ -d ~/Downloads ]; then
+    DOWNLOADS_SIZE=$(du -sh ~/Downloads 2>/dev/null | awk '{print $1}')
+    echo "   📁 Downloads: $DOWNLOADS_SIZE"
+fi
+
+# Check Library Caches
+if [ -d ~/Library/Caches ]; then
+    CACHES_SIZE=$(du -sh ~/Library/Caches 2>/dev/null | awk '{print $1}')
+    echo "   🗑️  Library/Caches: $CACHES_SIZE (safe to clean)"
+fi
+
+# Check Trash
+if [ -d ~/.Trash ]; then
+    TRASH_SIZE=$(du -sh ~/.Trash 2>/dev/null | awk '{print $1}')
+    echo "   🗑️  Trash: $TRASH_SIZE"
+fi
+
+# Check local Time Machine snapshots
+echo ""
+echo "📸 Local Time Machine Snapshots:"
+SNAPSHOTS=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$" | wc -l | tr -d ' ')
+if [ "$SNAPSHOTS" -gt 0 ]; then
+    echo "   Found $SNAPSHOTS local snapshot(s)"
+    tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$" | sed 's/^/   - /'
+    echo ""
+    echo "   💡 Tip: Local snapshots are automatically deleted when space is needed,"
+    echo "      but you can delete them manually if needed."
+else
+    echo "   No local snapshots found"
+fi
+
+echo ""
+echo "📋 Top 10 Largest Files/Directories in Home:"
+du -h -d 1 ~ 2>/dev/null | sort -hr | head -10 | awk '{printf "   %8s  %s\n", $1, $2}'
+
+echo ""
+echo "=== Recommendations ==="
+echo ""
+echo "1. 🗑️  Empty Trash:"
+echo "   rm -rf ~/.Trash/*"
+echo ""
+echo "2. 🧹 Clean System Caches (safe):"
+echo "   rm -rf ~/Library/Caches/*"
+echo ""
+echo "3. 📁 Review Downloads folder (~/Downloads) - 19GB found"
+echo "   Move large files to NAS or delete if not needed"
+echo ""
+echo "4. 🗑️  Delete old local snapshots (if needed):"
+echo "   sudo tmutil deletelocalsnapshots <snapshot-date>"
+echo ""
+echo "5. 💾 Use Storage Management:"
+echo "   Apple Menu → About This Mac → Storage → Manage"
+echo "   This tool can help identify and remove large files, old backups, etc."
+echo ""
+echo "6. 📦 Check for large applications:"
+echo "   Review Applications folder for unused apps"
+echo ""
+echo "=== Quick Clean Commands ==="
+echo ""
+echo "To clean caches (safe, will regenerate):"
+echo "  rm -rf ~/Library/Caches/*"
+echo ""
+echo "To empty trash:"
+echo "  rm -rf ~/.Trash/*"
+echo ""
+echo "To see what's taking up space:"
+echo "  du -h -d 1 ~ | sort -hr | head -20"
+echo ""