Update kubernetes cheat

cheats/kubernetes.cheat

@@ -1,7 +1,43 @@
 % kubernetes, k8s
 
-# Edit deployment
-kubectl edit deployment <deployment>
+# Print resource documentation
+kubectl explain <resource>
 
-# Get pods
-kubectl get pods
+# Get nodes (add option `-o wide` for details)
+kubectl get nodes
+
+# Get namespaces
+kubectl get namespaces
+
+# Get pods from namespace (add option `-o wide` for details)
+kubectl get pods -n <namespace>
+
+# Get pods from all namespace (add option `-o wide` for details)
+kubectl get pods --all-namespaces
+
+# Get services from namespace
+kubectl get services -n <namespace>
+
+# Get details from resource on namespace
+kubectl describe <resource>/<name> -n <namespace>
+
+# Print logs from namespace
+kubectl logs -f pods/<name> -n <namespace>
+
+# Get deployments
+kubectl get deployments -n <namespace>
+
+# Edit deployments
+kubectl edit deployment/<name> -n <namespace>
+
+# Drain node in preparation for maintenance
+kubectl drain <name>
+
+# Mark node as schedulable
+kubectl uncordon <name>
+
+# Mark node as unschedulable
+kubectl cordon <name>
+
+# Display resource (cpu/memory/storage) usage
+kubectl top <type>