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Linux Server SSH Certificate Authentication Setup
Episode 96 of Linux Server Admin with Fexingo dives into SSH certificate authentication as a modern alternative to traditional key-based access. Lucas and Luna walk through the practical setup using a custom certificate authority, from generating the CA key pair to signing host and user certificates, configuring sshd, and deploying the trusted CA public key across a small server fleet. They explain why certificate auth eliminates the need for manual authorized_keys management, simplifies onboarding and offboarding, and scales better than SSH keys for teams. The episode includes concrete…
The skinny
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