How to Install KairosDB on nixOS Latest

KairosDB is a distributed time-series database that runs on top of Apache Cassandra, which is designed to store and index timestamped data at a massive scale. In this tutorial, we’ll go through the steps involved in installing KairosDB on nixOS Latest.

Prerequisites

Before we begin, you’ll need the following:

  • A running instance of nixOS latest
  • Access to a terminal window on your nixOS instance

Step 1 — Update your System

It is always a good practice to update your system to ensure that the latest security patches and updates are installed.

You can do this by running the following command:

sudo nixos-rebuild switch --upgrade

Step 2 — Install Java

KairosDB is a Java-based application. Therefore, Java must be installed on our system before we proceed with the installation. Here, we will install OpenJDK 11, which is the latest Java version.

You can install OpenJDK 11 by running the following command:

nix-env -iA nixpkgs.openjdk11

Step 3 — Install Apache Cassandra

As mentioned before, KairosDB is built on top of Apache Cassandra. Hence, we must first install it.

You can install Cassandra by running the following command:

nix-env -iA nixpkgs.cassandra

Step 4 — Install KairosDB

Finally, we can proceed to install KairosDB itself.

You can install KairosDB by following these steps:

  1. Firstly, clone the KairosDB repository:
git clone https://github.com/kairosdb/kairosdb.git
  1. Change to the KairosDB directory:
cd kairosdb
  1. Build the packages:
./bin/build.sh package
  1. Install the package:
nix-env -iA kairosdb -f kairosdb-${version}.tar.gz

Step 5 — Start KairosDB

Now that we've installed KairosDB, we can start it up by running:

systemctl start kairosdb

Conclusion

In this tutorial, we have shown you how to install KairosDB on nixOS Latest. You can now start using KairosDB to store and index timestamped data.