5

Is there a command I can use just to get the hard disk temperature in the terminal?

Is this possible without a third party app?

3

Unfortunately you won't be able to do this without a third party app. However, if you're happy to use a third party software it is possible to get the temperature in terminal.

You need to use temperature monitor, which is a free application and provides a command line option. The ins and outs of using the software may be a bit much to go into here, but you can find all the instructions here.

3

You could try Smartmontools (S.M.A.R.T. Monitoring Tools) which has a command-line app. Most (if not all?) hard drives will report their temperature in the S.M.A.R.T. report.

There's also a native GUI SMARTReporter app which lets you perform certain actions based on temperature, if that's what you're after (and also happens to include the smartctl command-line binary — though if you're just after the binary you should, as a rule, get it from the "original" developers, just to be safe!).

3

Without add on software there is no command to get the disk temperature, after:

$ brew install smartmontools

One can run the command:

$ smartctl -a disk0 | grep Temperature

To retrieve de disk temperature, like:

194 Temperature_Celsius     0x0022   044   044   000    Old_age   Always       -       56 (Min/Max 17/70)
1

You will only be able to get a temperature reading if there is a sensor. This article explains how you can get this information via the ioreg command.

This one-liner worked for me to get the GPU temperature (unfortunately I was not able to see any other IOHWSensors on my machine):

echo $((`ioreg -c IOHWSensor | grep "current-value" | grep -oE [0-9]+` / 65536))
  • On a MacBookAir6,1 there is no temperature sensor neither fanspeed match to find using ioreg -c IOHWSensor -w 0. – Pro Backup Dec 14 '16 at 17:14
0

iStat Menus shows a lot of detailed information about the running state of the system, including all temperature sensors.

  • 1
    He wants something without third party app. – revolver Jul 7 '13 at 6:13

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