CmdID / Commands
oathtool
OATH one-time password tool. tldr-pages
On several platforms
Generate TOTP token (behaves like Google Authenticator)
oathtool --totp --base32 "secret"Identify
Generate a TOTP token for a specific time
oathtool --totp --now "2004-02-29 16:21:42" --base32 "secret"Identify
Validate a TOTP token
oathtool --totp --base32 "secret" "token"Identify