I wrote the following script to handle this, which I call ssh-update-key. It loads my deprecated key into ssh-agent temporarily, then uses ssh-copy-id to copy the preferred key. Then uses some awk/sed to …

Each line is an independent entry. You can grep them to filter, sed -i~ /pattern/d authorized_keys to delete lines, say all those from some server, or cat new-entries >> authorized_keys to add lines to …

Jun 1, 2011 · I still get permission denied from the server on my local machine. authorized_keys has the permissions 600. I have tried appending my SSH key with ssh-rsa and leaving the ssh-rsa off. I also …

update-ssh-keys update-ssh-keys is a command line tool and a library for managing openssh authorized public keys. It keeps track of sets of keys with names, allows for adding additional keys, as well as …

Oct 19, 2025 · The SSH authorized_keys file is a file that contains a list of public keys that are authorized to log in to the server. This file is used to prevent unauthorized users from connecting to …

Feb 6, 2025 · The public key is uploaded to a remote server that you want to be able to log into with SSH. The key is added to a special file within the user account you will be logging into called …

Jan 26, 2018 · I am trying to add a public key to a server but I don't want to restart the sshd service for it to take effect. The reason is that restarting the ssh service seems to be disruptive for other users ...

Jul 7, 2023 · Public key authentication is the standard SSH authentication method these days, primarily due to its security and usability benefits. It uses a key pair – a private key kept by the client, and a …