security

i use ssh keys to connect to this web server and remote git repos

generate a key

ssh-keygen -t ed25519 -C "your@email.com"

change passphrase on key

ssh-keygen -p -f ~/.ssh/id_dsa

ssl

https://letsencrypt.org/

restarting sshd

sudo service sshd restart

pixelbook u2f

Chrome Shell (Ctrl + Alt + T) and run

u2f_flags g2f

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