hddtemp
displays the temperature of hard disk drives via S
TLDR
Display temperature of a SATA drive
$ hddtemp SATA:/dev/sda
Display in Fahrenheit$ hddtemp -u F SATA:/dev/sda
Display numeric value only$ hddtemp -n SATA:/dev/sda
Log to syslog every N seconds$ hddtemp -S 60 SATA:/dev/sda
Wake drive before reading temperature$ hddtemp -w SATA:/dev/sda
Run in daemon mode$ hddtemp -d SATA:/dev/sda
Show debug information$ hddtemp -D SATA:/dev/sda
SYNOPSIS
hddtemp [options] [type]:device
DESCRIPTION
hddtemp displays the temperature of hard disk drives via S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology). It can show temperature for SATA, PATA, and SCSI drives that support S.M.A.R.T.
PARAMETERS
-n, --numeric
Print only the numeric temperature value without units-u, --unit=UNIT
Set temperature unit (C for Celsius, F for Fahrenheit)-S, --syslog=SECONDS
Log temperatures to syslog every N seconds-d, --daemon
Run as daemon (TCP/IP server mode)-l, --listen=ADDR
Listen on specified address in daemon mode-p, --port=PORT
Listen on specified port in daemon mode (default: 7634)-w, --wake-up
Wake up the drive before reading temperature-q, --quiet
Suppress drive type compatibility warnings-D, --debug
Show S.M.A.R.T. fields and their values-f, --file=FILE
Use specified drive database file
INSTALL
sudo dnf install hddtemp
sudo pacman -S hddtemp
nix profile install nixpkgs#hddtemp
CAVEATS
Requires root privileges to access drive S.M.A.R.T. data. The drive type prefix (SATA, PATA, SCSI) is required for proper operation. Not all drives support temperature monitoring through S.M.A.R.T.
HISTORY
hddtemp was developed to provide simple temperature monitoring for hard drives using S.M.A.R.T. data, commonly used for system health monitoring.
