How to Install InfluxDB on OpenBSD

InfluxDB is an open-source time-series database that is designed to handle high write and query loads. It is written in Go and can be installed on various operating systems, including OpenBSD. This tutorial will guide you through the process of installing InfluxDB on OpenBSD.

Prerequisites

Before you begin, ensure that you have the following:

• A running instance of OpenBSD
• root access or sudo privileges
• An internet connection

Step 1: Installing InfluxDB

1. Open a terminal window and update the package information:

sudo pkg_add -u

2. Install the required dependencies:

sudo pkg_add go

3. Download the InfluxDB package:

wget https://dl.influxdata.com/influxdb/releases/influxdb-<version>_openbsd_amd64.tar.gz

Replace the <version> with the latest version number available at https://portal.influxdata.com/downloads/influxdb.

4. Extract the downloaded package:

tar xvfz influxdb-<version>_openbsd_amd64.tar.gz

5. Change into the extracted directory:

cd influxdb-<version>_openbsd_amd64

6. Copy the influxd binary to /usr/local/bin:

sudo cp influxd /usr/local/bin/

7. Create a directory for InfluxDB data:

sudo mkdir /var/db/influxdb/data

8. Create a user and group for InfluxDB:

sudo groupadd influxdb
sudo useradd -g influxdb -d /var/db/influxdb -s /sbin/nologin influxdb

9. Change the ownership of the data directory:

sudo chown -R influxdb:influxdb /var/db/influxdb

10. Configure InfluxDB:

sudo cp /usr/local/share/examples/influxdb/influxdb.conf.sample /etc/influxdb.conf

11. Edit the configuration file:

sudo vi /etc/influxdb.conf

Ensure that the following settings are enabled:

[http]
  enabled = true
  bind-address = ":8086"
  auth-enabled = false

[meta]
  dir = "/var/db/influxdb/meta"

[data]
  dir = "/var/db/influxdb/data"
  wal-dir = "/var/db/influxdb/wal"

12. Start InfluxDB:

sudo influxd

Step 2: Testing InfluxDB

1. Open a new terminal window and run influx to open the InfluxDB command-line interface:

influx

2. Create a new database:

CREATE DATABASE testdb

3. Switch to the new database:

USE testdb

4. Create a new measurement:

INSERT cpu,host=serverA,region=us_west value=0.64

5. Query the measurement:

SELECT * FROM cpu

You should see the inserted value displayed.

Congratulations! You have successfully installed InfluxDB on OpenBSD. You can now use it to handle your time-series data.

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