How to Install Nginx on AlmaLinux 9

To install Nginx on AlmaLinux 9, follow these steps:

Step 1 : Update the System

First, update your system packages using the following command:

sudo dnf update -y

Step 2 : Install Nginx

Run the following command to install Nginx:

sudo dnf install nginx -y

Step 3 : Verify Nginx Installation

Check if Nginx is installed correctly by verifying its version:

nginx -v

Step 4 : Enable and Start Nginx

Enable and start the Nginx service:

sudo systemctl enable nginx --now

Step 5 : Check Nginx Status

Confirm that Nginx is running:

sudo systemctl status nginx

Step 6 : Adjust Firewall

Allow HTTP and HTTPS traffic through the firewall:

sudo firewall-cmd --permanent --add-service=http  
sudo firewall-cmd --permanent --add-service=https

Step 7 : Reload Firewall

Apply the firewall changes:

sudo firewall-cmd --reload

Step 8 : Create Nginx Configuration for example.com

Create a new configuration file for your domain:

sudo nano /etc/nginx/conf.d/example.com.conf

Add the following content:

server {
    listen 80;

    server_name example.com www.example.com;

    root /var/www/html/example.com;
    index index.html;

    location / {
        try_files $uri $uri/ =404;
    }
}

Save and exit the file.

Step 9 : Create Website Directory and Index File

Create the necessary directory and an index file:

sudo mkdir -p /var/www/html/example.com 
echo "<h1>Welcome to example.com</h1>" | sudo tee /var/www/html/example.com/index.html

Step 10 : Adjust SELinux (If Enabled)

If SELinux is enabled, update the file context:

sudo semanage fcontext -a -t httpd_sys_rw_content_t "/var/www/html/example.com(/.*)?"
sudo restorecon -Rv /var/www/html/example.com

Step 11 : Test Nginx Configuration

Check for syntax errors:

sudo nginx -t

Step 12 : Restart Nginx

Apply the changes by restarting Nginx:

sudo systemctl restart nginx

Step 13 : Access the Website

Open your browser and visit:

http://example.com

Congratulations! You have successfully installed and configured Nginx on AlmaLinux 9.