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README: update ssh pitfalls for sk-ssh-* keys and update mine. #163

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README: update ssh pitfalls for sk-ssh-* keys and update mine. #163

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README: update ssh pitfalls for sk-ssh-* keys
Janik-Haag Jul 27, 2023
8b37f4d
keys/janik: update keys
Janik-Haag Jul 27, 2023
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4 changes: 3 additions & 1 deletion README.md
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Expand Up @@ -93,13 +93,15 @@ First, put this in your `configuration.nix`:
```

**Note:** Make sure the SSH key specified above does *not* have a
password, otherwise `nix-build` will give an error along the lines of:
passphrase, otherwise `nix-build` will give an error along the lines of:

> unable to open SSH connection to
> 'ssh://[email protected]': cannot connect to
> '[email protected]'; trying other available
> machines...

You should also avoid keys generated with u2f-devices (f.e. yubikeys) like a sk-ssh-ed25519 since you have to press the presence button for every single package build on a remote server.
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IIRC this isn't an issue if ControlMaster/ControlPersist ssh settings are used?

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It didn't work when setting them in my user ssh config, it might work when setting it system wide or for the root user, I can try that if you want me to.


Then run an initial SSH connection as root to setup the trust
fingerprint:

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4 changes: 1 addition & 3 deletions keys/janik
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[email protected] AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIJ4yq7oHBO2iPs4xj797a//0ypnBr27sSadKUeL2NsK6AAAABHNzaDo= [email protected]
[email protected] AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIOYg513QZsVzoyVycXZjg4F3T3+OwtcY3WAhrlfyLgLTAAAABHNzaDo= [email protected]
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBLZxVITpJ8xbiCa/u2gjSSIupeiqOnRh+8tFIoVhCON [email protected]
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHLuKhW4+sDUwT4DJS27VZWFTE0Uq71omTo0q4EMgxzh [email protected]