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How to Install Healthchecks on Arch Linux

In this tutorial, we will guide you through the process of installing Healthchecks on an Arch Linux system. Healthchecks is a service that regularly sends a request to your application and checks its response. This service allows you to identify problems with an application in real-time and receive alerts when the application is down.

Prerequisites

Before we begin the installation, make sure you have the following:

Step 1: Install Required Packages

First, let's update our system by running the following command:

sudo pacman -Syu

Next, we need to install several packages required for Healthchecks. Run the following command:

sudo pacman -S python-pip python-virtualenv postgresql nginx

The packages that we install include:

Step 2: Create Healthchecks User

Next, we need to create a Healthchecks user account. Run the following command:

sudo useradd -r -s /bin/false healthchecks

This command creates a new user account called healthchecks with no login shell and restricted permissions.

Step 3: Create Healthchecks Directories

We need to create several directories required for the Healthchecks installation. Run the following command:

sudo mkdir -p /opt/healthchecks /var/log/healthchecks

This creates two directories: /opt/healthchecks for the Healthchecks installation and /var/log/healthchecks for Healthchecks logs.

Next, set the ownership and permissions of these new directories using the following commands:

sudo chown healthchecks:healthchecks /opt/healthchecks /var/log/healthchecks
sudo chmod 755 /opt/healthchecks

Step 4: Create Healthchecks Virtual Environment

Next, we need to create a Python virtual environment for our Healthchecks installation. We will use virtualenv for this purpose.

Run the following command to create a new virtual environment:

sudo -u healthchecks virtualenv /opt/healthchecks/env

This creates a new virtual environment inside the /opt/healthchecks/env directory.

Step 5: Install Healthchecks

Now, we can install Healthchecks. Activate the virtual environment by running the following command:

source /opt/healthchecks/env/bin/activate

Next, install Healthchecks using pip:

pip install healthchecks

Step 6: Set Up Healthchecks Configuration

Next, let's create a configuration file for Healthchecks.

Create a file called hc.env in the /opt/healthchecks directory using the following command:

sudo nano /opt/healthchecks/hc.env

Copy and paste the following into the file:

DATABASE_URL=postgresql://healthchecks@localhost/healthchecks
SECRET_KEY=your_secret_key

Replace your_secret_key with a secret key of your choosing.

Step 7: Create Database

We need to create a new database for Healthchecks in PostgreSQL.

Login to the PostgreSQL shell as the postgres user using the following command:

sudo -u postgres psql

Create a new database called healthchecks and user called healthchecks using the following SQL commands:

CREATE DATABASE healthchecks;
CREATE USER healthchecks;
ALTER USER healthchecks WITH PASSWORD 'your_password';
GRANT ALL PRIVILEGES ON DATABASE healthchecks TO healthchecks;

Replace your_password with a strong password of your choosing.

Exit the PostgreSQL shell using the \q command.

Step 8: Run Healthchecks Database Migrations

Next, let's run database migrations to create the necessary tables for Healthchecks.

Activate the virtual environment by running:

source /opt/healthchecks/env/bin/activate

Run the following command:

healthchecks migrate

Step 9: Set Up Nginx

Finally, let's set up Nginx to serve Healthchecks.

Create a new Nginx server block called healthchecks.conf in the /etc/nginx/sites-available directory using the following command:

sudo nano /etc/nginx/sites-available/healthchecks.conf

Copy and paste the following into the file:

server {
    listen 80;
    server_name your_server_name;

    location / {
        proxy_pass http://127.0.0.1:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        client_max_body_size 4G;
        client_body_buffer_size 128k;
    }
}

Replace your_server_name with your server's domain name or IP address.

Enable the server block by creating a symbolic link from /etc/nginx/sites-available/healthchecks.conf to /etc/nginx/sites-enabled/healthchecks.conf:

sudo ln -s /etc/nginx/sites-available/healthchecks.conf /etc/nginx/sites-enabled/

Finally, reload the Nginx configuration:

sudo systemctl reload nginx

Step 10: Start Healthchecks

We are now ready to start the Healthchecks service.

Activate the virtual environment by running:

source /opt/healthchecks/env/bin/activate

Start the Healthchecks service with the following command:

healthchecks runserver

Congratulations! You have successfully installed Healthchecks on Arch Linux. You can now access the Healthchecks web interface by visiting http://your_server_name in your web browser.

If you want to self-host in an easy, hands free way, need an external IP address, or simply want your data in your own hands, give IPv6.rs a try!

Alternatively, for the best virtual desktop, try Shells!