Complete Linux system optimization suite with tmpfs, zram, and German locale support
- Fixed missing setup_tmpfs() function that was causing silent failures - Added comprehensive system scanning for browsers, IDEs, gaming caches - Implemented detailed optimization information display for transparency - Added German locale compatibility for 'free' command (Speicher: vs Mem:) - Fixed division by zero errors in RAM calculations - Created tmpfs-info.sh helper script for detailed status reporting - Enhanced scanning to work on already-optimized systems - Added comprehensive optimization breakdowns with purpose explanations
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mindesbunister
229
tmpfs-info.sh
Executable file
229
tmpfs-info.sh
Executable file
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#!/bin/bash
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# tmpfs Information and Configuration Helper
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# Shows detailed information about tmpfs setup and how to use it
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set -euo pipefail
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# Colors
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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show_tmpfs_status() {
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echo -e "${BLUE}🚀 tmpfs Cache System Status${NC}"
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echo "============================="
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echo ""
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# Check if tmpfs mounts exist
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local tmpfs_count=$(mount | grep "tmpfs.*tmpfs-cache" | wc -l)
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if [[ $tmpfs_count -eq 0 ]]; then
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echo -e "${RED}❌ No tmpfs cache mounts found${NC}"
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echo "Run: sudo ./one-button-optimizer.sh to set up tmpfs caches"
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return 1
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fi
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echo -e "${GREEN}✅ Found $tmpfs_count tmpfs cache mounts${NC}"
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echo ""
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# Show detailed mount information
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echo "📁 Active tmpfs Mounts:"
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echo "======================"
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printf "%-20s %-10s %-10s %-10s %s\n" "Mount Point" "Size" "Used" "Avail" "Use%"
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echo "--------------------------------------------------------------------------------"
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mount | grep "tmpfs.*tmpfs-cache" | while read -r line; do
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local mount_point=$(echo "$line" | awk '{print $3}')
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local df_info=$(df -h "$mount_point" 2>/dev/null | tail -1)
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local name=$(basename "$mount_point")
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local size=$(echo "$df_info" | awk '{print $2}')
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local used=$(echo "$df_info" | awk '{print $3}')
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local avail=$(echo "$df_info" | awk '{print $4}')
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local use_percent=$(echo "$df_info" | awk '{print $5}')
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printf "%-20s %-10s %-10s %-10s %s\n" "$name" "$size" "$used" "$avail" "$use_percent"
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done
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echo ""
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}
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show_configuration_guide() {
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echo -e "${BLUE}💡 Configuration Guide${NC}"
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echo "======================"
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echo ""
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# Browser configuration
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if mount | grep -q "tmpfs-cache/browser"; then
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echo -e "${YELLOW}🌐 Browser Cache Configuration:${NC}"
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echo ""
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echo "Google Chrome/Chromium:"
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echo " google-chrome --disk-cache-dir=/tmp/tmpfs-cache/browser/chrome"
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echo " Or add to ~/.config/google-chrome/Default/Preferences:"
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echo ' "browser": {"cache_directory": "/tmp/tmpfs-cache/browser/chrome"}'
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echo ""
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echo "Firefox:"
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echo " 1. Type about:config in address bar"
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echo " 2. Set browser.cache.disk.parent_directory = /tmp/tmpfs-cache/browser/firefox"
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echo " 3. Restart Firefox"
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echo ""
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fi
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# Development tools
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if mount | grep -q "tmpfs-cache/development"; then
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echo -e "${YELLOW}💻 Development Tools Configuration:${NC}"
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echo ""
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echo "NPM (Node.js):"
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echo " npm config set cache /tmp/tmpfs-cache/development/npm"
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echo " npm config set tmp /tmp/tmpfs-cache/development/npm-tmp"
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echo ""
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echo "Python pip:"
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echo " echo 'export PIP_CACHE_DIR=/tmp/tmpfs-cache/development/pip' >> ~/.bashrc"
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echo " source ~/.bashrc"
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echo ""
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echo "Docker build cache:"
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echo " docker build --build-arg BUILDKIT_INLINE_CACHE=1 ."
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echo " export DOCKER_BUILDKIT=1"
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echo ""
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fi
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# IDE configuration
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if mount | grep -q "tmpfs-cache/ide"; then
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echo -e "${YELLOW}🎨 IDE Configuration:${NC}"
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echo ""
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echo "VS Code:"
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echo " mkdir -p /tmp/tmpfs-cache/ide/vscode"
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echo " ln -sf /tmp/tmpfs-cache/ide/vscode ~/.vscode/extensions/.cache"
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echo ""
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echo "JetBrains IDEs (IntelliJ, PyCharm, etc.):"
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echo " Add to vmoptions file: -Djava.io.tmpdir=/tmp/tmpfs-cache/ide/jetbrains"
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echo ""
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fi
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# KDE configuration
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if mount | grep -q "tmpfs-cache/kde"; then
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echo -e "${YELLOW}🖥️ KDE/Plasma Configuration:${NC}"
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echo ""
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echo "Thumbnail cache:"
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echo " mkdir -p /tmp/tmpfs-cache/kde/thumbnails"
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echo " rm -rf ~/.cache/thumbnails"
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echo " ln -sf /tmp/tmpfs-cache/kde/thumbnails ~/.cache/thumbnails"
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echo ""
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echo "Baloo search index (optional - disables file indexing):"
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echo " balooctl disable"
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echo " rm -rf ~/.local/share/baloo"
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echo ""
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fi
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}
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show_usage_tips() {
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echo -e "${BLUE}📊 Usage Tips and Monitoring${NC}"
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echo "============================="
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echo ""
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echo "Monitoring Commands:"
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echo " df -h /tmp/tmpfs-cache/* # Check usage of all tmpfs mounts"
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echo " watch -n 5 'df -h | grep tmpfs-cache' # Monitor in real-time"
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echo " du -sh /tmp/tmpfs-cache/* # Check actual data in each mount"
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echo ""
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echo "Performance Monitoring:"
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echo " iotop -ao # Monitor I/O to see reduced disk usage"
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echo " htop # Monitor RAM usage"
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echo " free -h # Check available memory"
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echo ""
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echo "Maintenance:"
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echo " sudo sync # Force write pending data to disk"
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echo " sudo systemctl restart system-optimization.service # Recreate mounts"
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echo ""
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echo -e "${GREEN}💡 Performance Benefits:${NC}"
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echo " 🚀 Cache operations run at RAM speed (~50-100x faster than SSD)"
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echo " 💿 Reduced SSD wear from frequent cache writes"
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echo " 🧹 Automatic cache cleanup on reboot"
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echo " ⚡ Lower latency for application launches and file operations"
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echo ""
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# Calculate total tmpfs usage
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local total_allocated=0
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local total_used=0
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while read -r line; do
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local mount_point=$(echo "$line" | awk '{print $3}')
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local allocated_kb=$(echo "$line" | grep -o 'size=[^,]*' | cut -d= -f2 | sed 's/k$//')
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local used_kb=$(df "$mount_point" 2>/dev/null | tail -1 | awk '{print $3}' || echo "0")
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total_allocated=$((total_allocated + allocated_kb))
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total_used=$((total_used + used_kb))
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done < <(mount | grep "tmpfs.*tmpfs-cache")
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local total_allocated_mb=$((total_allocated / 1024))
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local total_used_mb=$((total_used / 1024))
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echo -e "${BLUE}📈 Current Resource Usage:${NC}"
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echo " Total tmpfs allocated: ${total_allocated_mb}MB"
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echo " Total tmpfs used: ${total_used_mb}MB"
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echo " RAM efficiency: $(( (total_allocated_mb * 100) / ($(free -m | awk '/^Mem:/{print $2}')) ))% of total RAM allocated to caches"
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}
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show_troubleshooting() {
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echo -e "${BLUE}🔧 Troubleshooting${NC}"
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echo "=================="
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echo ""
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echo "If tmpfs mounts are missing after reboot:"
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echo " sudo systemctl status system-optimization.service"
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echo " sudo systemctl restart system-optimization.service"
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echo ""
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echo "If running out of tmpfs space:"
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echo " df -h /tmp/tmpfs-cache/* # Check which mount is full"
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echo " sudo umount /tmp/tmpfs-cache/[mount] # Temporarily unmount"
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echo " sudo mount -t tmpfs -o size=NEWSIZE tmpfs /tmp/tmpfs-cache/[mount]"
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echo ""
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echo "If applications aren't using tmpfs:"
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echo " Check application-specific configuration files"
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echo " Some apps need restart after cache directory changes"
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echo " Use 'lsof /tmp/tmpfs-cache/*' to see which processes are using tmpfs"
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echo ""
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}
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main() {
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case "${1:-status}" in
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"status"|"")
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show_tmpfs_status
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;;
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"config"|"configure")
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show_tmpfs_status
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echo ""
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show_configuration_guide
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;;
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"usage"|"monitor")
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show_tmpfs_status
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echo ""
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show_usage_tips
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;;
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"help"|"troubleshoot")
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show_tmpfs_status
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echo ""
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show_configuration_guide
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echo ""
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show_usage_tips
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echo ""
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show_troubleshooting
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;;
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*)
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echo "Usage: $0 [status|config|usage|help]"
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echo ""
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echo " status - Show tmpfs mount status (default)"
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echo " config - Show configuration guide for applications"
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echo " usage - Show monitoring and usage tips"
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echo " help - Show all information including troubleshooting"
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;;
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esac
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}
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main "$@"
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