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wrote ssh config specific info into docs

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miampf 2025-02-11 13:50:01 +01:00
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docs/docs/workflows/troubleshooting.md
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@ -167,15 +167,30 @@ Emergency SSH access to nodes can be useful to diagnose issues or download impor
constellation ssh --key your_public_key.pub constellation ssh --key your_public_key.pub
``` ```
A certificate will be written into the `constellation-terraform` directory. A certificate will be written to `constellation_cert.pub`.
The certificate is valid for 24 hours and allows you to access your constellation nodes using The certificate is valid for 24 hours and allows you to access your constellation nodes using
[certificate based authentication](https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Certificate-based_Authentication). [certificate based authentication](https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Certificate-based_Authentication).
3. Finally, you can connect to any constellation node: 3. Finally, you can connect to any constellation node using your certificate and your private key.
```bash `ssh -o CertificateFile=constellation_cert.pub -i <your private key> root@<ip of constellation node>`
ssh -F ./constellation-terraform/ssh_config -i your_private_key <PRIVATE_NODE_IP>
Normally, you won't have access to all constellation nodes since they reside in a private network.
To access those nodes anyways, you can use your constellation load balancer as a proxy jump host.
For this, use something along the following ssh client configuration:
```text
Host <LB domain name>
ProxyJump none
Host *
IdentityFile <your private key>
PreferredAuthentications publickey
CertificateFile=constellation_cert.pub
User root
ProxyJump <LB domain name>
``` ```
You can obtain the private IP via your CSPs web UI. Using this config you can connect to a constellation node using `ssh -F <this config> <private node IP>`.
You can obtain the private node IP and the domain name of the load balancer using your CSPs web UI.