sudo wxhexeditor /dev/sda Or, if you are using a command-line tool like xxd :
sudo apt install wxhexeditor Solution: You are likely trying to read a sector that doesn’t exist or a device that is busy. Close any file manager windows accessing the drive, and verify the disk size with sudo fdisk -l . The Future of DiskProbe on Debian The Debian ecosystem is constantly evolving. While a dedicated diskprobe.deb may not be in the stable repos, the functionality is more relevant than ever. With the rise of NVMe drives, 4K sectors, and GPT partitioning, low-level disk tools are essential. diskprobe deb
apt-cache search diskprobe If nothing appears, try a broader search: sudo wxhexeditor /dev/sda Or, if you are using
Remember: With great sector access comes great responsibility. Always probe carefully. While a dedicated diskprobe