Add some more docs to flora-6 README

Document how to deploy to flora-6

Document how to get SSH access

hosts/flora-6/README.md

@@ -1,3 +1,28 @@
+# Deploy infra branch to flora-6
+
+Use this command after updating flake inputs to update services on `flora-6`.
+
+```
+deploy --skip-checks --confirm-timeout 300 --targets '.#flora-6'
+
+An alternative, if deployment always fails and rolls back.
+
+```
+
+deploy --skip-checks --magic-rollback false --auto-rollback false --targets '.#flora-6'
+
+```
+
+# SSH access to flora-6
+Ensure your SSH public key is in place [here](./users/barkeeper/default.nix) and
+was deployed by someone with access.
+
+```
+
+ssh barkeeper@flora-6.pub.solar
+
+```
+
 # Mailman on NixOS docs
 
 - add reverse DNS record for IP
@@ -5,12 +30,21 @@
 Manual setup done for mailman, adapted from https://nixos.wiki/wiki/Mailman:
 
 ```
+
 # Add DNS records in infra repo using terraform:
+
 # https://git.pub.solar/pub-solar/infra/commit/db234cdb5b55758a3d74387ada0760e06e166b9d
 
 # Generate initial postfix_domains.db and postfix_lmtp.db databases for Postfix
+
 sudo -u mailman mailman aliases
+
 # Create a django superuser account
+
 sudo -u mailman-web mailman-web createsuperuser
+
 # Followed outlined steps in web UI
+
+```
+
 ```