If you search for “dd gzip” or “dd lz4” you can find several ways to do this. In general, interpose a gzip compression command between the sending dd and netcat

If you search for “dd gzip” or “dd lz4” you can find several ways to do this. In general, interpose a gzip compression command between the sending dd and netcat, and a corresponding decompression command between the receiving netcat and dd. For example: https://unix.stackexchange.com/questions/632267 https://unix.stackexchange.com/questions/632267