'permission denied for ed25519 ssh key with custom name

I'm in an Ubuntu server.

I've generated a new Ed25519 ssh key with a custom name and copied the generated public key to my Gitlab account. But when I try to clone my repository to the server. I get:

Permission denied (publickey,keyboard-interactive).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

However, I'm not facing this issue with the Ed25519 key that's generated with the default name id_ed25519 is working fine.

What's causing this issue and is there a workaround?

Solution 1:^[1]

When you define custom key name, then you need to add it to ssh config, like so:

Host github.com
    HostName github.com
    User git
    IdentityFile ~/.ssh/github_private_key
    IdentitiesOnly=yes

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Solution 1	user30830

'permission denied for ed25519 ssh key with custom name

Solution 1:[1]

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Related Questions

Solution 1:^[1]