apache多端口

touch /etc/apache2/sites-available/packages.conf

vim /etc/apache2/sites-available/packages.conf

Listen 81

<VirtualHost *:81>
ServerAdmin webmaster@localhost

DocumentRoot /mnt/ramdisk
<Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory>

ErrorLog /var/log/apache2/error.log

# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn

CustomLog /var/log/apache2/access.log combined

</VirtualHost>

ln -s /etc/apache2/sites-available/packages.conf /etc/apache2/sites-enabled

vim /etc/apache2/apache2.conf

...

<Directory /mnt>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>

...

service apache2 restart