apache如何虚拟域名

sudo apt-get update
sudo apt-get install apache2
sudo systemctl start apache2
sudo systemctl enable apache2

sudo mkdir /etc/apache2/sites-available
sudo mkdir /etc/apache2/sites-enabled

sudo nano /etc/apache2/sites-available/example.com.conf

<VirtualHost *:80>
    ServerAdmin webmaster@example.com
    ServerName example.com
    ServerAlias www.example.com
    DocumentRoot /var/www/example.com/public_html
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

sudo nano /etc/apache2/sites-available/test.com.conf

<VirtualHost *:80>
    ServerAdmin webmaster@test.com
    ServerName test.com
    ServerAlias www.test.com
    DocumentRoot /var/www/test.com/public_html
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR)/access.log combined
</VirtualHost>

sudo a2ensite example.com.conf
sudo a2ensite test.com.conf
sudo systemctl reload apache2

sudo mkdir -p /var/www/example.com/public_html
sudo mkdir -p /var/www/test.com/public_html
sudo chown -R www-data:www-data /var/www/example.com/public_html
sudo chown -R www-data:www-data /var/www/test.com/public_html
sudo chmod -R 755 /var/www/example.com/public_html
sudo chmod -R 755 /var/www/test.com/public_html