How to Install and Configure Apache Web Server on Linux

1. Update your server

   • Open terminal.
   • Run: sudo apt update.

2. Install Apache

   • Run: sudo apt install apache2.

3. Start Apache service

   • Run: sudo systemctl start apache2.

4. Enable Apache to start at boot

   • Run: sudo systemctl enable apache2.

5. Check Apache status

   • Run: sudo systemctl status apache2.

6. Open firewall for Apache

   • Run: sudo ufw allow 'Apache'.

7. Verify firewall settings

   • Run: sudo ufw status.

8. Check Apache default page

   • Open browser.
   • Go to: http://your_server_ip.

9. Configure Apache

   • Edit config file: sudo nano /etc/apache2/apache2.conf.
   • Make changes.
   • Save and close file.

10. Restart Apache

    • Run: sudo systemctl restart apache2.

11. Check config syntax

    • Run: sudo apache2ctl configtest.

12. Create new site config

    • Run: sudo nano /etc/apache2/sites-available/your_site.conf.

13. Add site config

    • Example:

      <VirtualHost *:80>
          ServerAdmin webmaster@localhost
          DocumentRoot /var/www/html/your_site
          ErrorLog ${APACHE_LOG_DIR}/error.log
          CustomLog ${APACHE_LOG_DIR}/access.log combined
      </VirtualHost>
      

    • Save and close file.

14. Enable new site

    • Run: sudo a2ensite your_site.conf.

15. Disable default site

    • Run: sudo a2dissite 000-default.conf.

16. Reload Apache

    • Run: sudo systemctl reload apache2.

17. Check your site

    • Open browser.
    • Go to: http://your_server_ip.

Conclusion

You have installed and configured Apache. Enjoy your new web server!