Created
January 3, 2018 18:50
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| ip=... | |
| #pubkey=... # default should suffice if you have the default key location | |
| ssh $ip "bash -c 'mkdir -p ~/.ssh; chmod 0700 ~/.ssh; cat > ~/.ssh/authorized_keys'" < ${pubkey:-~/.ssh/id_rsa.pub |
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this overwrites ~/.ssh/authorized_keys with the specified ssh pubkey. It's not idempotent and it's destructive to all other keys in the file.