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linux_system_tuning/CHANGELOG.md
mindesbunister 8e5e370e09 Add automatic application configuration for tmpfs caches
- Auto-detect and configure Firefox cache location in prefs.js
- Auto-create optimized .desktop launchers for Chrome/Chromium/Brave
- Auto-configure NPM and Pip cache directories
- Auto-link KDE/Plasma thumbnail cache to tmpfs
- Add configure_applications_for_tmpfs() function with smart detection
- Backup original configs before modification
- Set proper ownership and permissions for all cache directories
- Replace manual setup instructions with automatic configuration
- Show progress of configured applications with count
- Update next steps to reflect automatic setup

Benefits:
- Zero post-setup manual configuration needed
- Immediate performance improvement on app restart
- Safer with automatic backups and proper permissions
- Better user experience with clear progress reporting
2025-10-06 09:25:01 +02:00

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# Changelog
## [2025-10-06] - Automatic Application Configuration
### Added
- **Automatic browser cache configuration**: Script now automatically detects and configures browsers
- Firefox: Automatically updates prefs.js with tmpfs cache location
- Chrome/Chromium: Creates optimized .desktop launchers with --disk-cache-dir flag
- Brave: Creates optimized .desktop launcher with tmpfs cache
- Automatic backup of original configurations before modifications
- **Automatic development tools configuration**:
- NPM: Automatically configures cache directory via npm config
- Pip: Creates pip.conf with tmpfs cache location
- Proper user/group ownership for all configured directories
- **Automatic desktop environment integration**:
- KDE/Plasma: Automatically links thumbnail cache to tmpfs
- Proper symlink management with backup of existing directories
- **Smart detection**: Only configures applications that are actually installed
- **Progress reporting**: Shows which applications were successfully configured
- **User guidance**: Clear instructions for restarting configured applications
### Changed
- Replaced manual configuration instructions with automatic setup
- Improved user experience by eliminating post-setup manual steps
- Updated "Next Steps" to reflect automatic configuration
### Benefits
- **Zero manual configuration** needed after running the optimizer
- **Immediate performance boost** upon restarting configured applications
- **Safer implementation** with automatic backups and proper permissions
- **User-friendly** progress reporting during configuration
## [2025-09-23] - Overlay Filesystem Removal
### Removed
- **Overlay filesystem functionality**: Removed unused overlay filesystem features
- Removed `OVERLAY_ENABLED` and `OVERLAY_PROTECT_CONFIGS` from configuration
- Removed `overlayfs` sections from all profile JSON files
- Removed overlay references from documentation and scripts
- Added overlay detection and removal functionality for existing mounts
### Added
- **Overlay cleanup functionality**: Added ability to detect and remove overlay mounts
- `remove_overlays()` function to safely unmount overlay filesystems
- Automatic cleanup of overlay work/upper directories
- Removal of overlay entries from /etc/fstab
- User prompt when overlay mounts are detected
### Rationale
- Overlay filesystems are complex and rarely needed on desktop systems
- Most users benefit more from tmpfs cache optimization than overlay complexity
- Simplified codebase by removing unused/incomplete functionality
## [2025-09-23] - tmpfs Setup Fix
### Fixed
- **one-button-optimizer.sh**: Fixed critical issue where tmpfs setup was not working
- Added missing `setup_tmpfs()` function that was referenced but not implemented
- Enhanced tmpfs analysis to actually scan system for cache directories
- Added intelligent profile recommendation based on RAM size and existing cache data
- Fixed tmpfs persistence by generating proper fstab entries
- Updated systemd service to restore tmpfs mounts after reboot
### Enhanced
- **tmpfs Analysis**: Now scans for actual cacheable data:
- Browser caches (Chrome, Firefox, Chromium)
- Package caches (/var/cache/apt)
- Temporary files
- Shows actual cache sizes and provides intelligent recommendations
### Technical Details
- **Issue**: When users selected "yes" for tmpfs setup, nothing happened because the `setup_tmpfs` function was missing
- **Root Cause**: The function was called in main() but never defined
- **Solution**: Implemented complete tmpfs setup with intelligent sizing and persistence
### Testing
- Added test script (`test-tmpfs-fix.sh`) to verify functionality
- Confirmed syntax validation passes
- Verified tmpfs analysis logic works correctly
## Previous versions
- Initial implementation with zram, kernel tuning, and basic tmpfs detection