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git@github.com: Permission denied (publickey).

Not confirmed yet · posted

Cause

ssh offered GitHub no key that is registered to your account: none exists, ssh did not find or load it, or its public half was never added in your GitHub settings.

Fix

risk: low

ssh-add -l                    # "no identities" = the agent holds no keyls ~/.ssh/*.pub               # none? create one: ssh-keygen -t ed25519ssh-add ~/.ssh/id_ed25519     # load the private key into the agent# GitHub > Settings > SSH and GPG keys > New SSH key: paste the .pub contentsssh -T -l git github.com      # expect "Hi <user>! You've successfully authenticated"

Don’t try

sudo git push — under sudo ssh uses root's keys, not yours; GitHub's docs say not to run git with sudo.

switch the remote to HTTPS and type the account password — GitHub stopped accepting account passwords for git on 2021-08-13; HTTPS needs a token.

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