In this tutorial, we will walk you through the steps to install NATS (a high-performance distributed messaging system) on Clear Linux Latest.
Before starting with the installation, you need to make sure that:
Before we begin with the installation of NATS, it is best practice to update the system packages to their latest version using the following command:
sudo swupd update
You can install NATS on Clear Linux using the following command:
sudo swupd bundle-add network-basic
sudo curl -sSL https://raw.githubusercontent.com/nats-io/nats-install/main/nats-server/install.sh | sudo bash
This command installs the network-basic bundle, which includes the necessary packages for NATS to work, then it downloads and runs the NATS install script.
To start the NATS server, run the nats-server command:
sudo nats-server
If the NATS server is running correctly, you should see a log message similar to the following:
[44744] 2021/11/05 18:36:51.333786 [INF] Starting nats-server version 2.6.0
[44744] 2021/11/05 18:36:51.333861 [INF] Git commit [924ee346]
[44744] 2021/11/05 18:36:51.333890 [INF] Starting http monitor on *:8222
[44744] 2021/11/05 18:36:51.333899 [INF] Listening for client connections on 0.0.0.0:4222
[44744] 2021/11/05 18:36:51.333903 [INF] Server is ready
To verify that NATS is working, you can run the NATS client tool nats-pub to publish a message to the default NATS subject:
nats-pub foo "Hello, NATS!"
If NATS is correctly installed, you should see the log message "Received on foo: 'Hello, NATS!'" outputted by the nats-sub command:
nats-sub foo
Congratulations! You have successfully installed and verified NATS on Clear Linux Latest. You can now use NATS for your distributed messaging needs.
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