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janus57/how-to_add_public_key.md

Last active October 5, 2019 09:18
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how-to_add_public_key.md

Check sshd_config for openssh

First open the "sshd_config" config file (/etc/ssh/sshd_config) en check these lines :

# Expect .ssh/authorized_keys2 to be disregarded by default in future.
AuthorizedKeysFile  .ssh/authorized_keys .ssh/authorized_keys2

AuthorizedKeysFile .ssh/authorized_keys .ssh/authorized_keys2 ⇒ need to be uncommented

After that restart sshd service : systemctl restart sshd.service

Access root with public key

If /root/.ssh doens't existe create it : mkdir /root/.ssh and then create the file "authorized_keys" file : touch /root/.ssh/authorized_keys

If /root/.ssh existe, then check if the "authorized_keys" file exist : ls -alh /root/.ssh/authorized_keys

And now put the public key inside this file and you can access your server with ssh key

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