Generate an MD5 checksum file. md5sum file.iso > file.iso.md5. Although the process is specific to Ubuntu, you can follow the same tutorial to create .iso and MD5 checksum files in any distro.

The MD5 password hash algorithm is "no longer considered safe" by the original software developer, a day after the leak of more than 6.4 million hashed LinkedIn passwords.

A second technique uses the same MD5 hash characters, but uses an MP3 file as its unique generator. Assuming very few people know of your secret love for Starship, it's also a fairly safe way to ...