Guides
Practical explanations, tested examples.
Understand the concepts behind each utility and use the results safely.
Command line · 6 min
How to check your public IP with curl
Plain text, JSON, shell variables, and reliable failure handling.
Read guide →Security · 8 minWhat is a TOTP secret?
Base32 keys, 30-second windows, code generation, and safe handling.
Read guide →Passwords · 7 minPassword or passphrase?
Compare random passwords and memorable word-based credentials.
Read guide →