trac-pool:~# apt-get install ssl-cert openssl
trac-pool:~# a2enmod ssl
trac-pool:~# mkdir /etc/apache2/ssl
trac-pool:~# make-ssl-cert /usr/share/ssl-cert/ssleay.cnf /etc/apache2/ssl/apache.pem
trac-pool:~# cp /etc/apache2/sites-available/default /etc/apache2/sites-available/ssl
trac-pool:~# ln -s /etc/apache2/sites-available/ssl /etc/apache2/sites-enabled/ssl
trac-pool:~# vi /etc/apache2/sites-available/default

/etc/apache2/sites-available/default

@@ -1 @@
-NameVirtualHost *
-<VirtualHost *>
+NameVirtualHost *:80
+<VirtualHost *:80>
        ServerAdmin webmaster@localhost
 
        DocumentRoot /var/www/

Reference

• ​http://linuxnews.idv.tw/?p=35
• ​http://wiki.debian.org.hk/w/Generate_SSL_cert