Most things today can be done by googling. Do you need to generate a random string? Google for a generator. Need to parse a JWT? Google for a parser. The problem with both of those cases is that it can be unsuitable to trust random internet pages. So in many cases it’s better to use CLI-tools as a default. So in this page I will try to collect ways of easily doing things in the CLI, preferrably without installing a lot of junk in your system.
Generating random strings
## Use OpenSSL as a randomizer
openssl rand -hex 32
Reading JWT content
If you have jq installed you can finish off by piping it to that.
jwt=eyJ...
cut -d. -f2 <<<"$jwt" | base64 -d