Add usage and shorthand commands

.gitignore

 __pycache__/
+.venv/
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README.md

@@ -19,3 +19,52 @@ Endpoint:   https://s3.example.com/
 KeyId:      abc
 SecretKey:  123supersecret
 ```
+
+### softdrain
+
+Drain a Kubernetes node by first scaling each deployment to n+1 to avoid downtime for single-pod deployments.
+
+```
+% softdrain mynode
+Soft move app-namespace / backend? [y/n/c]
+```
+
+### dupvc
+
+Run `du -s` in all PVCs in the cluster.
+
+```
+% dupvc -h
+badm web-static 42M     /app/webcontent
+```
+
+## Shorthand commands
+
+```
+alias docker-nimbus='export DOCKER_HOST=ssh://nimbus'
+
+alias kubectl-ns='kubectl config set-context --current --namespace'
+alias kubectl-default='kubectl-ns default'
+
+alias kubectl-stratus='kubectl config use-context admin@stratus && kubectl-default'
+alias kubectl-nimbus='kubectl config use-context admin@nimbus && kubectl-default'
+
+alias k='kubectl'
+alias kd='kubectl describe'
+alias ke='kubectl edit'
+alias kg='kubectl get'
+alias wkg='watch kubectl get'
+alias wkt='watch kubectl top'
+alias k-='kubectl delete'
+alias ky='kubectl get -o yaml'
+alias kl='kubectl logs -f'
+alias kx='kubectl exec -it'
+alias ka='kubectl apply -f'
+alias kn='kubectl-ns'
+alias kp='kubectl port-forward'
+
+alias ceph='kubectl rook-ceph ceph'
+
+alias s3='aws s3 --endpoint-url=$AWS_ENDPOINT_URL '
+alias s3api='aws s3api --endpoint-url=$AWS_ENDPOINT_URL '
+```
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