====== QRwho ======

QRwho is a small tool to display the output of rwho and ruptime graphically. You get an overview of your Linux-Cluster and the load of each node at a glance.

{{:qrwho.png|}}

===== Features =====

  * search for a hostname or parts of it
  * search for hosts on which a specific user is logged in
  * customizable command buttons which run a command on the target host and display the output (ssh-based)
  * colored alert, if a host is down or his maxload is overstepped
  * colored load display (interpolation of an rgb-spectrum)
  * define a default MaxLoad (colored alert, when the load is higher)
  * maxload per host

===== Downloads =====

Version 1.0

==== Binaries ====
  * Tar-Ball:
  * Debian-Package:
==== Source ====
  * Tar-Ball: {{:qrwho.tar.gz|}}
  * Debian-Package:

===== Building =====
<xterm>
$> tar xvzf qrwho.tar.gz
$> cd qrwho
$> qmake
$> make
$> ./qrwho
</xterm>

===== Dependencies =====
  * qt-libs
  * rwho & ruptime
  * ssh

===== Configuration =====

QRwho searches for it's configuration-file ("config") the current working directory. If it is not found, QRwho uses this standard config:

<xterm>
#Default maximal Load:
MaxLoad=2
#Show command-buttons, values: 0/1
CMDS=1
#Define commands for each button
NodeCMD1=cat /proc/meminfo
NodeCMD2=dmesg
NodeCMD3=ps auxf
NodeCMD4=lsb_release -c
NodeCMD5=uname -a

#Load minimal and maximal color (RGB)
MinColor=0,200,255
MaxColor=150,200,0

#MaxLoad per PC, format: MLhostname=Load
MLpool01=4.2
MLpool02=2

</xterm>

===== License =====

This software is published under the terms of the [[http://www.gnu.org/copyleft/gpl.html|GPL]]

===== Author & Imprint =====

Philipp Neuser

Rathenower Str. 57, 10559 Berlin (Germany)