Generate a TOTP token for a specific time

OATH one-time password tool.
More information: <https://www.nongnu.org/oath-toolkit/oathtool.1.html>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

oathtool --totp --now "{{2004-02-29 16:21:42}}" --base32 "{{secret}}"

click the source code to copy install oathtool on any operating system with command-not-found.com