====== Observium ======
OK so after [[software:service:prometheus|Prometheus]], [[software:service:nagios|Nagios Core Monitoring]], [[software:service:icinga|Icinga]], [[software:service:librenms|LibreNMS]]... here's Observium

===== Install =====
==== Server ====
<code bash>
wget http://www.observium.org/observium_installscript.sh
chmod +x observium_installscript.sh
./observium_installscript.sh
</code>
First user warnaud/*****(bitwarden)*****

==== Clients ====
=== ALL (distro script) ===
<code bash>
cd /usr/bin
wget https://gist.githubusercontent.com/riptidewave93/abc4c3689807cf4a16b5/raw/91564b6003cea4c46888f1735b24808dbdcd414f/distro
chmod +x distro
</code>

=== Ubuntu-Debian/CentOS-RHEL ===
<code bash>
wget https://gist.githubusercontent.com/drolfe/04b65121573e740c1c09/raw/3a5209dea6489c191957ab6bb531d95f192a39a2/observium-client.sh
chmod +x observium-client.sh
./observium-client.sh</code>

=== Archlinux ===
<code bash>yay net-snmp
mkdir /etc/snmp
vi /etc/snmp/snmpd.conf
</code>
<code perl>
com2sec readonly  default         <community - example:service>
group MyROGroup v1         readonly
group MyROGroup v2c        readonly
group MyROGroup usm        readonly
view all    included  .1                               80
access MyROGroup ""      any       noauth    exact  all    none   none
syslocation <here>
syscontact <you@yourdomain.com>
#This line allows Observium to detect the host OS if the distro script is installed
extend .1.3.6.1.4.1.2021.7890.1 distro /usr/bin/distro</code>
You can add process/services by adding <code perl>
proc unbound
proc pihole-FTL</code> for example
<code bash> systemctl enable --now snmpd</code>

=== vCenter ===
SSH to vCenter then
<code bash>Command> snmp.set --communities service
Command> snmp.enable
</code>



====== References ======
  * https://docs.observium.org/install_debian/
  * https://observium.org/
  * https://demo.observium.org/ (demo/demo)
  * https://gist.github.com/drolfe/04b65121573e740c1c09 (client)
  * https://gist.github.com/riptidewave93/abc4c3689807cf4a16b5 (distro script)
  * https://wiki.archlinux.org/title/Snmpd (Arch)
  * https://serverfault.com/questions/867910/how-to-monitor-services-with-snmp (snmp proc)