Update cheatsheets

linux/hdparm

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# hdparm
+
+> Get and set SATA and IDE hard drive parameters.
+> More information: <https://manned.org/hdparm>.
+
+- Request the identification info of a given device:
+
+`sudo hdparm -I /dev/{{device}}`
+
+- Get the Advanced Power Management level:
+
+`sudo hdparm -B /dev/{{device}}`
+
+- Set the Advanced Power Management value (values 1-127 permit spin-down, and values 128-254 do not):
+
+`sudo hdparm -B {{1}} /dev/{{device}}`
+
+- Display the device's current power mode status:
+
+`sudo hdparm -C /dev/{{device}}`
+
+- Force a drive to immediately enter standby mode (usually causes a drive to spin down):
+
+`sudo hdparm -y /dev/{{device}}`
+
+- Put the drive into idle (low-power) mode, also setting its standby timeout:
+
+`sudo hdparm -S {{standby_timeout}} {{device}}`
+
+- Test the read speed of a specific device:
+
+`sudo hdparm -tT {{device}}`