Today I learned about this very handy GNU Bash feature:
cat < /dev/tcp/127.0.0.1/22
How do you check if a remote port is reachable when you do not have any of nc, telnet, wget, curl, and the such? This is how you do it!
Why is this step necessary? mastodon.xyz might not be the server where you are registered, so we need to redirect you to your home server first.
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