InfluxDB is a time-series based database written in Go. InfluxDB has many practical uses, one of which is storing monitoring data on servers. In this guide, you’ll learn how to install InfluxDB on Debian Jessie and write data into it through Telegraf. Telegraf is a server-monitoring plugin for InfluxDB which grabs information about a server, for example:
- CPU usage
- Memory usage
- Disk usage
- Load average
- Debian Jessie
- 30 minutes time
The installation package for InfluxDB and Telegraf are both provided as
.deb, so we can install them on your system through the
dpkg -i command. Furthermore, we’ll download both packages and install them through the following commands:
wget https://dl.influxdata.com/influxdb/releases/influxdb_1.1.1_amd64.deb wget https://dl.influxdata.com/telegraf/releases/telegraf_1.1.2_amd64.deb dpkg -i influxdb_1.1.1_amd64.deb dpkg -i telegraf_1.1.2_amd64.deb
Please check the official download page for both packages before downloading them. Newer versions may have become available.
Make sure to run the following command after installing both packages in order to ensure that there are no dependencies missing on your system:
apt-get -f install
Since InfluxDB is only accessible from
localhost, we don’t have to change any configuration files for now. If you later want to use the InfluxDB web interface ( which would be located at
<SERVER_IP>:8083 ), you should set a proper root password.
The default Telegraf configuration can be removed and flattened to the following few lines:
[outputs] [outputs.influxdb] url = "http://localhost:8086" database = "telegraf"
As you may have noticed, we did not create the database
telegraf that is defined in this configuration. It will be created automatically.
We can now start both InfluxDB and Telegraf using the following commands. These commands will also make both services start on boot.
systemctl enable influxdb systemctl enable telegraf systemctl start influxdb systemctl start telegraf
At this point, the values mentioned in the “Introduction” section are being added to the InfluxDB database at an interval of 10 seconds. InfluxDB is setup and ready to go. You could now use a tool like Grafana to visualize the metrics in your InfluxDB. Happy hacking!
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