Using Ganglia Status Client - gstat

Ganglia Status Client (gstat) connects with a Ganglia Monitoring Daemon (gmond) and output. It is a clean command line tool

To see all the gstat Options
# gstat --help

Shows CPU utilization for running jobs
# gstat -al1

For more inforamtion See Ganglia Toolkit

Installing Ganglia on Standalone or Cluster

Good Readup on How to Install Ganglia on Clusters or Standalone Machine. Taken from I do linux blog, an excellent resource.

1. Ganglia Cluster Monitoring Made Easy by Idolinux.blogspot.com
2. Ganglia Howto by IBM
3. Ganglia Documentation by SourceForge.Net

Error: Missing Dependency: librrd.so.2()(64bit) is needed by package ganglia-gmetad (epel)

This is the continuation of Blog Entry Error: Missing Dependency: rrdtool = 1.2.27-3.el5 is needed by package rrdtool-perl

1. When I'm installing Ganglia on my CentOS, I've did the following:
   # yum install rrdtool ganglia ganglia-gmetad ganglia-gmond ganglia-web httpd php
   
   However, instead I got the followings "Error: Missing Dependency: rrdtool = 1.2.27-3.el5 is needed by package rrdtool-perl"
   
2. To resolve it, similar to the earlier Blog Entry, I install rrdtool first. But when I use the command
   # yum install ganglia ganglia-gmetad ganglia-gmond ganglia-web httpd php
   
   There is still error "Error: Missing Dependency: librrd.so.2()(64bit) is needed by package ganglia-gmetad (epel)...."
   
3. To resolve the issue, you have to manually get rid of the latest rrdtool (x86-64) installed by EPEL and install the rrdtool-1.2.27-3.el5.x86_64
   # yum remove rrdtool-1.3.8-2.el5.rf.x86_64
   # yum install rrdtool-1.2.27-3.el5.x86_64
   
   
4. Install the Ganglia and its related tools
   # yum install ganglia ganglia-gmetad ganglia-gmond ganglia-web httpd php

Gmond dead but subsys locked for ganglia monitoring daemon

Following the tutorial instructions from Installing and configuring Ganglia on CentOS 5.x ,I've installed ganglia and ganglia-gmond. However when I attempt to start the gmond service

# service gmond start

Somehow the service refused to start. When I try another way to start the service

# /etc/init.d/gmond start

I notice the error, and the service do not start

gmond dead but subsys locked

To Solve the Issue
Step 1: Turn the Debug Level at /etc/gmond.conf to 100 found at the "globals" section

globals {
daemonize = yes
setuid = yes
user = ganglia
debug_level = 100
max_udp_msg_len = 1472
mute = no
deaf = no
host_dmax = 0 /*secs */
cleanup_threshold = 300 /*secs */
gexec = no
}

Step 2: Start the Service again.We should be able to see the error that caused "gmond dead but subsys locked". In my case, it is due to somehow my passwd file does not contain ganglia user. After fixing this missing user group, I was able to restart the ganglia-gmond daemon sucessfully.

For additional Information  on /etc/gmond.conf, you may want to use man pages or go to http://linux.die.net/man/5/gmond.conf

Brief Technical Overview and Installation of Ganglia on Solaris

Tutorial from SUN on how to install Ganglia on Solaris "Brief Technical Overview and Installation of Ganglia on Solaris"

Error: Missing Dependency: rrdtool = 1.2.27-3.el5 is needed by package rrdtool-perl

When I'm installing Ganglia on my CentOS, I've did the following:
# yum install rrdtool ganglia ganglia-gmetad ganglia-gmond ganglia-web httpd php

However, instead I got the followings
# Error: Missing Dependency: rrdtool = 1.2.27-3.el5 is needed by package rrdtool-perl

To workaround this issue, I've installed in stages. I'm assuming you have installed RpmForge Repository

# yum install rrdtool-perl
# yum install ganglia ganglia-gmetad ganglia-gmond ganglia-web httpd php

ok. It works.