https://cremenescu.ro/en/blog/ Technical notes on macOS, Linux and networking. en Sun, 26 Jul 2026 00:00:00 +0000 https://cremenescu.ro/en/blog/synology-ext4-fsck/ https://cremenescu.ro/en/blog/synology-ext4-fsck/ For months DSM reported "File system errors cannot be fixed" and support recommended deleting the storage pool. The real cause was an orphan inode list broken by a power cut, and a manual e2fsck repaired it without losing a single file. Sun, 26 Jul 2026 00:00:00 +0000 https://cremenescu.ro/en/blog/disklens-mac-app-store/ https://cremenescu.ro/en/blog/disklens-mac-app-store/ How I wrote a disk space analyzer for macOS and shipped it on the Mac App Store in six days: the scanning engine, the sandbox traps, the submission steps, and what Reddit feedback changed. Sun, 26 Jul 2026 00:00:00 +0000