Update cheatsheets

tldr/linux/ipmitool

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ipmitool
+
+> Interface with the Intelligent Platform Management Interface (IPMI).
+> More information: <https://manned.org/ipmitool>.
+
+- Start the IPMI driver for local connections:
+
+`systemctl start ipmidrv`
+
+- Open IPMI shell on the local hardware :
+
+`sudo ipmitool shell`
+
+- Open IPMI shell on a remote host:
+
+`ipmitool -H {{ip_address}} -U {{user_name}} shell`