{"type":"rich","version":"1.0","author_name":"dev (npub1za…zufw0)","author_url":"https://nostr.ae/npub1zaal69jq3qaulph9q2yy8mcxjz2wwh52zthdz4543h0kkdr6qljq8zufw0","provider_name":"njump","provider_url":"https://nostr.ae","html":"If you don’t know this : apt install -y fail2ban , \n\nYou’re in trouble . \n\nTips if you run your own relay \n/ add. Second key before you need one . If your computer dies or your files get deleted , you’re  down to VNC console to get back in recoverable but veeeeeery streeeeeeeees\n\n/ one key per device , never a shares key \nSeparately keys means if your computer got stolen, you delete one line from authorized_keys and everything else keep working .\n\n/ set up ~/.ssh/config .  Pure quality of life \n\n\n#nostr #relay #security #hardeningssh"}