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Update SSH + Yubikey Usage

Eclypsed
2025-12-16 19:35:53 +00:00
parent bef0df6a00
commit 2b1e9515c1
1 changed files with 13 additions and 1 deletions
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SSH-%2B-Yubikey-Usage.md

@@ -3,4 +3,16 @@ I use a Yubikey to store my ssh keys as a physical hardware key.
## Retrieving the key to a new machine ## Retrieving the key to a new machine
1. Plug in the yubikey and make sure yubikey manager is installed (temporarily install it with `nix-shell -p yubikey-manager`) 1. Plug in the yubikey and make sure yubikey manager is installed (temporarily install it with `nix-shell -p yubikey-manager`)
2. Run `ssh-keygen -K` to generate the `id_ed25519_sk_rk.pub` and `id_ed25519_sk_rk` files in the current directory. 2. Run `ssh-keygen -K` to generate the `id_ed25519_sk_rk.pub` and `id_ed25519_sk_rk` files in the current directory.
To add the key to the ssh-agent (ephemeral):
```bash
eval "$(ssh-agent -s)"
ssh-add ~/.ssh/id_ed25519_sk_rk # Or whatever the path to the private key is
```
Or, to permanently add it to the agent, add the following to `~/.ssh/config`:
```
Host *
AddKeysToAgent yes
IdentityFile ~/.ssh/id_ed25519_sk_rk
```