Update cheatsheets

gnmic

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# gnmic
+
+> A gNMI command-line client.
+> Manage gNMI network device configuration and view operational data.
+> More information: <https://gnmic.kmrd.dev>.
+
+- Request device capabilities:
+
+`gnmic --address {{ip:port}} capabilities`
+
+- Provide a username and password to fetch device capabilities:
+
+`gnmic --address {{ip:port}} --username {{username}} --password {{password}} capabilities`
+
+- Get a snapshot of the device state at a specific path:
+
+`gnmic -a {{ip:port}} get --path {{path}}`
+
+- Update device state at a specific path:
+
+`gnmic -a {{ip:port}} set --update-path {{path}} --update-value {{value}}`
+
+- Subscribe to target state updates under the subtree at a specific path:
+
+`gnmic -a {{ip:port}} subscribe --path {{path}}`