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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
```
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
[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 -F ./constellation-terraform/ssh_config -i your_private_key <PRIVATE_NODE_IP>
`ssh -o CertificateFile=constellation_cert.pub -i <your private key> root@<ip of constellation node>`
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.