Update cheatsheets

tldr/docker-node

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# docker node
+
+> Manage Docker Swarm nodes.
+> More information: <https://docs.docker.com/reference/cli/docker/node/>.
+
+- List nodes in the swarm:
+
+`docker node ls`
+
+- List tasks running on one or more nodes, defaults to the current node:
+
+`docker node ps {{node1 node2 node3 ...}}`
+
+- Display detailed information on one or more nodes:
+
+`docker node inspect {{node1 node2 node3 ...}}`
+
+- Promote one or more nodes to manager in the swarm:
+
+`docker node promote {{node1 node2 node3 ...}}`
+
+- Demote one or more nodes from manager in the swarm:
+
+`docker node demote {{node1 node2 node3 ...}}`
+
+- Remove one or more nodes from the swarm:
+
+`docker node rm {{node1 node2 node3 ...}}`
+
+- Update metadata about a node, such as its availability, labels, or roles:
+
+`docker node update --{{availability|role|label-add|...}} {{active|worker|foo|...}} {{node1}}`