Ganglia (Computer resource monitor)

== Server composition ==

Monitoring server
- k1sum0 (Debian9)
- URL: http://k1sum0/ganglia (internal)
Monitored servers
- k1cam0, k1cam1 (SL7)
- k1sum1 (Debian9)
- k1script (Debian8)

Installation

Monitoring server
- Duncan's memo
```
> apt-get install rrdtool gmetad ganglia-webfrontend ganglia-monitor
```
- Setting files: /etc/ganglia/gmond.conf and /etc/ganglia/gmetad.conf

Monitored servers

deb> apt-get install ganglia-monitor
SL> yum install gmond

Setting files: /etc/ganglia/gmond.conf

Note

We must restart ganglia service on all monitored servers after the monitoring server is rebooted (Why?).
```
deb> systemctl restart ganglia-monitor
SL> systemctl restart gmond
```