📝 Update documentation

docs/notes.md

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+# Installing os-migrate
+
+I now have two RHOSP-16.2 AIOs running on my homelab so it's time to install os-migrate.
+
+The intallation instructions are at: https://os-migrate.github.io/os-migrate/user/install-from-galaxy.html
+
+I setup a new Fedora 38 VM to run os-migrate from:
+
+```bash
+virt-install -n os-migrate \
+  --osinfo fedora37 \
+  --memory 2048 \
+  --vcpus 2 \
+  --import \
+  --disk /data/os-migrate.qcow2 \
+  --graphics vnc \
+  --cloud-init disable=on,clouduser-ssh-key=ncox.pub,root-password-file=rpw  \
+  --network bridge=br0
+  ```
+
+  This VM is running at 172.23.0.53, on test-04(173.23.0.25)
+
+  RHEL9 doesn't know about fedora38
+
+  Lots of stuffing around to get the bridge working
+
+  ## Install and run os-miograte
+
+`dnf install ansible `
+
+`vi os-migrate-vars.yml`
+
+Largely copied from the ~/.config/openstack/clouds.yaml files
+
+
+Hints from os-migrate doco:
+
+
+```bash
+export OSM_DIR=/root/.ansible/collections/ansible_collections/os_migrate/os_migrate
+export OSM_CMD="ansible-playbook -v -i $OSM_DIR/localhost_inventory.yml -e @os-migrate-vars.yml"
+```
+
+Despite what the os-migrate docs say, do not install python3-openstacksdk because on f38 the version is too recent.
+
+```bash
+dnf install iputils python3-openstackclient
+```
+
+Let's try networks:
+
+```$OSM_CMD $OSM_DIR/playbooks/export_networks.yml```
+
+Hmm, problems with versions.
+
+Going to need devel tools for openstacksdk
+
+```
+dnf install python3-devel
+dnf group install "C Development Tools and Libraries"
+```
+
+We're going to need ansible-core in the venv or it will pick up system versions of things.
+```bash
+python3 -m venv venv
+source venv/bin/activate
+pip install --upgrade pip
+python3 -m pip install --upgrade 'openstacksdk>=0.36,<0.99'
+python3 -m pip install --upgrade 'ansible-core'
+```
+
+
+Try again:
+
+```
+OSM_CMD $OSM_DIR/playbooks/export_networks.yml
+```
+
+```bash
+   60  less os-migrate-data-test-1/clouds.yaml 
+   61  less os-migrate-data-test-1/networks.yml 
+   67  $OSM_CMD $OSM_DIR/playbooks/export_subnets.yml 
+   68  less os-migrate-data-test-1/subnets.yml 
+```