psensor  1.2.1
About: Psensor is a graphical hardware temperature monitor for Linux.
  Fossies Dox: psensor-1.2.1.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

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psensor Documentation

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= Psensor README :docinfo2: :toc: :icons: font


Psensor is a graphical hardware monitoring application for Linux.

It draws realtime charts and raises alerts about:

  • the temperature of the motherboard and CPU sensors (using lm-sensors).
  • the temperature of the NVidia GPUs (using XNVCtrl).
  • the temperature of ATI GPUs (using ATI ADL SDK).
  • the temperature of the Hard Disk Drives (using hddtemp, libatasmart or udisks2).
  • the rotation speed of the fans.
  • the temperature of a remote computer.
  • the CPU load.

Alerts are using Desktop Notification and a specific GTK+ status icon.

For Ubuntu users, Psensor is providing an Application Indicator which turns red under alert and a menu for quickly check all sensors.

It is possible to monitor remotely a computer:

  • start +psensor-server+ on the remote computer.

  • start +psensor+ using: +psensor --url=http://hostname:3131+.

+psensor-server+ is a minimal Web server, a Web browser can be used to monitor the remote computer by opening the URL: +http://hostname:3131+.

[WARNING] +psensor-server+ does not provide any way to restrict the connection to the HTTP server, worst, no effort has been made against malicious HTTP attacks. You should make the +psensor-server+ port available only to a network or computer you trust by using the usual network security tools of the system (for example:[iptables]).

Installation Using Distribution Packages


For Debian, the binary and source packages are available in the
Wheezy, unstable and testing repositories.

Debian package information is available at:

To do the installation:
sudo apt-get install psensor psensor-server


Since Ubuntu Oneiric (11.10), psensor is available in the universe repository of Ubuntu.

To install +psensor+ or +psensor-server+:

sudo apt-get install psensor sudo apt-get install psensor-server

Or search them in the Ubuntu Software Center.

Installation From Source Archive

+psensor+ and +psensor-server+ can be compiled and installed on any modern GNU/Linux distribution.

Compilation Prerequisites

The compilation of +psensor+ requires:

 * make
 * gcc (or llvm)
 * lm-sensors
 * library sensors4
 * library gtk3 >=3.4
 * help2man (optional, required to produce the manpage)
 * asciidoctor (optional, required to produce the html version of the
 * cppcheck (optional, static source checker)
 * library libnotify (optional)
 * library libappindicator >= 3.0 (optional)
 * library libXNVCtrl (optional)
 * library json-c >= 0.11.99 and curl (optional, required for remote monitoring)
 * library unity (>=v3.4.2, optional)
 * library gtop2 (optional, required for CPU usage)
 * library atasmart (optional, for disk monitoring)
 * library udisk2 (optional, for disk monitoring)

The specific requirements for +psensor-server+:

 * library libmicrohttpd
 * library json-c >= 0.11.99

Compilation and Installation Steps
  1. download the source archive from:
  2. Extract files from the source archive
  3. Compilation: +./configure;make clean all+
  4. Installation: +make install+ (require to have root permission)
  5. Start the sensor detection script: +sensors-detect+ and follows the instructions. Reboot or activate the kernel modules which have been found.
  6. Run: +psensor+


When the OpenSource ATI driver is used, the monitoring
information is available through lm-sensors and does not require the
following instructions.

When the proprietary ATI driver(Catalyst) is used, the build is
requiring an additional library.

Download the[ATI ADL SDK]
and extracts the files of the archive into a directory [dir].

Replace the step 3. of the above section by +./configure
--with-libatiadl=[dir]+ where +[dir]+ must be the directory where you
have extracted the ATI ADL SDK. Other steps are indentical.


Bugs and comments can be sent to

Home page: