initial import

docs/installation/post-installation.md

@@ -0,0 +1,37 @@
+# Post-installation
+
+## Backup secrets
+
+Save the following files to a safe location like a password manager (if you're using the sandbox, you can skip this step):
+
+- `~/.ssh/id_ed25519`
+- `~/.ssh/id_ed25519.pub`
+- `./metal/kubeconfig.yaml`
+- `~/.terraform.d/credentials.tfrc.json`
+- `./external/terraform.tfvars`
+
+## Admin credentials
+
+- ArgoCD:
+    - Username: `admin`
+    - Password: run `./scripts/argocd-admin-password`
+- Vault:
+    - Root token: run `./scripts/vault-root-token`
+- Grafana:
+    - Username: `admin`
+    - Password: `prom-operator` (TODO: use random password)
+- Gitea:
+    - Username: `gitea_admin`
+    - Password: get from Vault
+
+## Run the full test suite
+
+After the homelab has been stabilized, you can run the full test suite to ensure that everything is working properly:
+
+```sh
+make test
+```
+
+!!! info
+
+    The "full" test suit is still in its early stages, so any contribution is greatly appreciated.