| Introduction | |
| ------------ | |
| Most mainboards have sensor chips to monitor system health (like temperatures, | |
| voltages, fans speed). They are often connected through an I2C bus, but some | |
| are also connected directly through the ISA bus. | |
| The kernel drivers make the data from the sensor chips available in the /sys | |
| virtual filesystem. Userspace tools are then used to display the measured | |
| values or configure the chips in a more friendly manner. | |
| Lm-sensors | |
| ---------- | |
| Core set of utilities that will allow you to obtain health information, | |
| setup monitoring limits etc. You can get them on their homepage | |
| http://www.lm-sensors.org/ or as a package from your Linux distribution. | |
| If from website: | |
| Get lm-sensors from project web site. Please note, you need only userspace | |
| part, so compile with "make user" and install with "make user_install". | |
| General hints to get things working: | |
| 0) get lm-sensors userspace utils | |
| 1) compile all drivers in I2C and Hardware Monitoring sections as modules | |
| in your kernel | |
| 2) run sensors-detect script, it will tell you what modules you need to load. | |
| 3) load them and run "sensors" command, you should see some results. | |
| 4) fix sensors.conf, labels, limits, fan divisors | |
| 5) if any more problems consult FAQ, or documentation | |
| Other utilities | |
| --------------- | |
| If you want some graphical indicators of system health look for applications | |
| like: gkrellm, ksensors, xsensors, wmtemp, wmsensors, wmgtemp, ksysguardd, | |
| hardware-monitor | |
| If you are server administrator you can try snmpd or mrtgutils. |