Grafana - Monitoring Tool

Grafana is an open-source monitoring tool.

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Support all major databases - in the Filsame dashboard.

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Alerting

Grafana Version

Telegraf - Collects Systems Data - Its like agent

InfluxDb - Store System Data 

Grafana - Visualize Data

Grafana Installation

Download Grafana | Grafana Labs

InfluxDB Installation

Install InfluxDB OSS | InfluxDB OSS 1.8 Documentation (influxdata.com)

root@ip-172-31-40-250:~# vi /etc/telegraf/telegraf.conf

 urls = ["http://127.0.0.1:8086"]

root@ip-172-31-40-250:~# influx

Connected to http://localhost:8086 version 1.8.10

InfluxDB shell version: 1.8.10

> show measurement;

ERR: error parsing query: found ;, expected EXACT, CARDINALITY at line 1, char 17

Warning: It is possible this error is due to not setting a database.

Please set a database with the command "use <database>".

> show measurements;

ERR: database name required

Warning: It is possible this error is due to not setting a database.

Please set a database with the command "use <database>".

> show databases;

name: databases

name

----

_internal

telegraf

> use telegraf;

Using database telegraf

> show measurements;

name: measurements

name

----

cpu

disk

diskio

kernel

mem

processes

swap

system

>

> select * from cpu limit 5;

name: cpu

time                cpu       host             usage_guest usage_guest_nice usage_idle        usage_iowait        usage_irq usage_nice usage_softirq       usage_steal         usage_system       usage_user

----                ---       ----             ----------- ---------------- ----------        ------------        --------- ---------- -------------       -----------         ------------       ----------

1663256730000000000 cpu-total ip-172-31-40-250 0           0                92.12557900153139 0.2058672156459009  0         0          0.10293360782295045 0.20586721564601063 2.367472979927806  4.9922799794121735

1663256730000000000 cpu0      ip-172-31-40-250 0           0                91.64948453607117 0.20618556701028737 0         0          0.10309278350512538 0.20618556701036064 2.164948453607761  5.670103092782719

1663256730000000000 cpu1      ip-172-31-40-250 0           0                92.6879505664347  0.20597322348096161 0         0          0                   0.20597322348107136 2.4716786817716856 4.428424304840254

1663256740000000000 cpu-total ip-172-31-40-250 0           0                91.37396694215641 0.10330578512399939 0         0          0.10330578512398104 0.2582644628097232  2.5826446280995814 5.578512396695894

1663256740000000000 cpu0      ip-172-31-40-250 0           0                90.49586776859458 0                   0         0          0.10330578512396163 0.30991735537190324 3.0991735537190324 5.991735537189151

>

Install telegraf:

wget -qO- https://repos.influxdata.com/influxdb.key | sudo tee /etc/apt/trusted.gpg.d/influxdb.asc >/dev/null
source /etc/os-release
echo "deb https://repos.influxdata.com/${ID} ${VERSION_CODENAME} stable" | sudo tee /etc/apt/sources.list.d/influxdb.list
sudo apt-get update && sudo apt-get install telegraf

Once install telegraf  then add influx db details in telegraf configuration

vi /etc/telegraf/telegraf.conf

 service telegraf start

 service telegraf status

urls = ["http://172.31.40.250:8086"]

 

172.31.40.250 --> Influx DB server Private IP