Install Collectd
# CentOS 7.x
yum install epel-release.noarch -y
yum install libmicrohttpd collectd nc -y
OR
# CentOS 6.x
yum -y install libcurl libcurl-devel rrdtool rrdtool-devel rrdtool-prel libgcrypt-devel gcc make gcc-c++
wget http://collectd.org/files/collectd-5.4.0.tar.gz
tar zxvf collectd-5.4.0.tar.gz
cd collectd-5.4.0
./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --libdir=/usr/lib --mandir=/usr/share/man --enable-all-plugins
make && make install
# Copy the default init.d script
cp /root/collectd-5.4.0/contrib/redhat/init.d-collectd /etc/init.d/collectd
# Set the correct permissions
chmod +x /etc/init.d/collectd
Custom Configuration Collectd
change the configuration as below on /etc/collectd.conf or remove symbol “#”
nano /etc/collectd.conf
Hostname "isi.hostname.nya"
LoadPlugin cpu
LoadPlugin interface
LoadPlugin load
LoadPlugin memory
LoadPlugin df
LoadPlugin disk
LoadPlugin processes
LoadPlugin exec
LoadPlugin write_graphite
add the configuration as below in the plugins section
<Plugin cpu>
# ReportByCpu true
# ReportByState true
ValuesPercentage true
# ReportNumCpu false
# ReportGuestState false
# SubtractGuestState true
</Plugin>
<Plugin df>
# Device "/dev/hda1"
# Device "192.168.0.2:/mnt/nfs"
# MountPoint "/home"
# FSType "ext3"
# IgnoreSelected false
# ReportByDevice false
# ReportInodes false
# ValuesAbsolute true
ValuesPercentage true
</Plugin>
<Plugin write_graphite>
<Node "localhost">
Host "grafana.mcs.co.id"
# Port "2003"
# Protocol "tcp"
# ReconnectInterval 0
# LogSendErrors true
Prefix "collectd."
# Postfix "collectd"
# StoreRates true
# AlwaysAppendDS false
# EscapeCharacter "_"
# SeparateInstances false
# PreserveSeparator false
# DropDuplicateFields false
</Node>
</Plugin>
<Plugin exec>
# Exec "user:group" "/path/to/exec"
Exec "mail:mail" "/etc/collectd.d/exim-check-queue.sh"
# NotificationExec "user:group" "/path/to/exec"
</Plugin>
nano /etc/collectd.d/exim-check-queue.sh
#!/bin/bash
instant="host_name_co_id" ### change "." to "_" ###
server="ip atau domain server"
while true; do
echo "crontab.$instant.exim-queue `exim -bpc` `/bin/date +%s`" | nc $server 2003
echo "crontab.$instant.exim-queue-frozen `exim -bp | grep "*** frozen ***" | wc -l` `/bin/date +%s`" | nc $server 2003
hariini=$(date +%Y-%m-%d)
jam=$(date +%H)
sum=$(cat /var/log/exim_mainlog | grep "$hariini $jam" | awk '$3 ~ /^cwd/{print $3}' | sort | uniq -c | sed "s|^ *||g" | sort -nr | head --lines 15 | egrep -v 'cwd=(/$|/etc/csf|/var/spool/exim|/var/lib/collectd|/tmp|/root|/var/spool/anacron|/etc/collectd.d|/usr/local/cpanel/whostmgr/docroot)' | awk '{print $1}')
if [ "$a" != "0" ]; then
a=0
fi
while read -r line; do
a=$((a + line))
done <<< "$sum"
echo "crontab.$instant.exim-file $a `/bin/date +%s`" | nc $server 2003
sleep 60
done
chown mail:mail /etc/collectd.d/exim-check-queue.sh
chmod +x /etc/collectd.d/exim-check-queue.shStart and enable startup daemon
# CentOS 7.x
systemctl enable collectd
systemctl start collectd
# CentOS 6.x
service collectd start
chkconfig collectd on
Grafana Setup
Login to grafana dashboard
Fill in the contents below into the Create menu => Import
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"percentage": false,
"pluginVersion": "7.4.2",
"pointradius": 1,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"hide": false,
"refCount": 0,
"refId": "B",
"target": "alias(crontab.host_name_nya.exim-queue, 'Queue')",
"textEditor": false
},
{
"hide": false,
"refCount": 0,
"refId": "A",
"target": "alias(crontab.host_name_nya.exim-queue-frozen, 'Frozen')",
"textEditor": false
},
{
"hide": false,
"refCount": 0,
"refId": "C",
"target": "alias(crontab.host_name_nya.exim-file, 'PHPmailer')",
"textEditor": false
}
],
"thresholds": [
{
"colorMode": "critical",
"fill": true,
"line": true,
"op": "gt",
"value": 100,
"visible": true
}
],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Exim Queue",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
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"format": "short",
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
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"format": "short",
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "Graphite",
"editable": true,
"error": false,
"fieldConfig": {
"defaults": {
"custom": {},
"links": []
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"grid": {},
"gridPos": {
"h": 5,
"w": 6,
"x": 12,
"y": 14
},
"hiddenSeries": false,
"id": 16,
"legend": {
"avg": true,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "7.4.2",
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
{
"$$hashKey": "object:2868",
"alias": "out",
"transform": "negative-Y"
}
],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"refCount": 0,
"refId": "A",
"target": "alias(scale(perSecond(collectd.$server.interface-ens32.if_packets.rx), 8), ' In')",
"textEditor": false
},
{
"refCount": 0,
"refId": "B",
"target": "alias(scale(perSecond(collectd.$server.interface-ens32.if_packets.tx), 8), 'Out')",
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}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Packet Traffic/sec",
"tooltip": {
"msResolution": true,
"shared": true,
"sort": 0,
"value_type": "cumulative"
},
"type": "graph",
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"show": true,
"values": []
},
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"show": true
},
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}
],
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"alignLevel": null
}
},
{
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"dashLength": 10,
"dashes": false,
"datasource": "Graphite",
"editable": true,
"error": false,
"fieldConfig": {
"defaults": {
"custom": {},
"links": []
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"grid": {},
"gridPos": {
"h": 5,
"w": 6,
"x": 18,
"y": 14
},
"hiddenSeries": false,
"id": 9,
"legend": {
"avg": true,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "7.4.2",
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
{
"$$hashKey": "object:3048",
"alias": "out",
"transform": "negative-Y"
}
],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"refCount": 0,
"refId": "A",
"target": "alias(scale(perSecond(collectd.$server.interface-ens32.if_octets.rx), 8), 'In')",
"textEditor": false
},
{
"refCount": 0,
"refId": "B",
"target": "alias(scale(perSecond(collectd.$server.interface-ens32.if_octets.tx), 8), 'Out')",
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}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Network Traffic/sec",
"tooltip": {
"msResolution": true,
"shared": true,
"sort": 0,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"$$hashKey": "object:3061",
"format": "bps",
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"max": null,
"min": null,
"show": true
},
{
"$$hashKey": "object:3062",
"format": "short",
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
}
],
"refresh": "5m",
"schemaVersion": 27,
"style": "dark",
"tags": [
"collectd"
],
"templating": {
"list": [
{
"allFormat": "glob",
"datasource": null,
"description": null,
"error": null,
"hide": 2,
"includeAll": false,
"label": "",
"multi": false,
"multiFormat": "glob",
"name": "server",
"query": "host_name_nya",
"refresh": 0,
"refresh_on_load": false,
"skipUrlSync": false,
"type": "constant"
}
]
},
"time": {
"from": "now-30m",
"to": "now"
},
"timepicker": {
"now": true,
"refresh_intervals": [
"5s",
"10s",
"30s",
"1m",
"5m",
"15m",
"30m",
"1h",
"2h",
"1d"
],
"time_options": [
"5m",
"15m",
"1h",
"6h",
"12h",
"24h",
"2d",
"7d",
"30d"
]
},
"timezone": "browser",
"title": "nama.tittle.nya",
"uid": "kasjhkjahsd92",
"version": 60
}
Klik Load
In this section, fill in “name” according to your wishes & in the “Unique identifier (uid)” can be left blank.
Once created, then get to the Dashboard settings
Select the “Variable” in the “Contans” “Value” is changed as the setting in the collectd and then click update
Save Dashboard
Check the “Save current variable values as dashboard default” section then click “Save”
Setting section “Load” and click edit
Disk Usage
Exim Queue
Done