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How to manually copy SSH public keys to servers on Red Hat Enterprise Linux

How to manually copy SSH public keys to servers on Red Hat Enterprise Linux

We often use ssh-copy-id to copy ssh keys from our local Linux computers to RHEL servers in order to connect without typing in a password. This is not only for convenience; it enables you to script and automate tasks that involve remote machines.  Also, using ssh keys correctly is considered a best practice.  If you are conditioned to respond with your password every time you are prompted, you might not notice a prompt that isn’t legitimate (for example, spoofed).

What about when you can’t use ssh-copy-id or the target user ID doesn’t have a password (for example, an Ansible service user)? This article explains how to do it manually and avoid the common pitfall of forgetting to set the proper permissions.

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