Learn Magento Multi Store on 1and1 Vps Package Domains

What you need:
Money - to buy package and domains from 1and1

What we have is a VPS III Package from 1and1 that comes with a default MX domain (.net)

What we've done:
1.) register a domain domain1.com

2.) installed magento in it: I think I have the steps here:
http://czetsuya-tech.blogspot.com/2009/10/how-to-setup-magento-system-in-1and1_04.html

3.) once done register another domain, domain2.com, where the second store will be installed

4.) do this on the first store
http://www.magentocommerce.com/blog/comments/from-the-support-team-multi-site-domain-name-setup/

5.) we need to modify some files in the server that are not editable via plesk so we need to login remotely
login on putty (http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html) and
winscp (http://winscp.net/eng/index.php) using the root account

6.) copy index.php and .htaccess from domain1.com
a.) we need to change 3 things in index.php
i.) $compilerConfig -> '/var/www/vhosts/domain1.com/httpdocs/app/Mage.php';
ii.) $mageFilename -> '/var/www/vhosts/domain1.com/httpdocs/includes/config.php';
You know what that does mean right? Points to magento base installation
iii.) set the website -> Mage::run('store2', 'website');

Now everythings setup, but usually the server will give this error:
'/var/www/vhosts/domain.com/httpdocs/app/Mage.php' not found
The culprit is line 47 of index.php:
//if (!file_exists($mageFilename))
It always return false if safe mode is on. It usually is, because by default domain2 should not really be accessing the contents from domain1. Logical right?

Go to winscp and open the file: /var/www/vhosts/domain2.com/conf/http.include, and look for the instance of:
php_admin_flag safe_mode (http://php.net/manual/en/features.safe-mode.php) on -> set it to off

If /var/www/vhosts/domain2.com/conf/vhost.conf does not exist create it and add the following lines:

php_value post_max_size 16M
php_value upload_max_filesize 16M 
php_admin_value safe_mode_include_dir "/var/www/vhosts/domain1.com/httpdocs"
php_admin_value open_basedir "/var/www/vhosts/domain2.com/httpdocs:/var/www/vhosts/domain1.com/httpdocs:/tmp"

copy vhost.conf, paste in the same directory and rename to vhost_ssl.conf, for ssl connection.

Sample http.include

<IfModule mod_ssl.c>

<VirtualHost YOUR_IP:YOUR_PORT>
 ServerName   YOUR_DOMAIN:YOUR_PORT
 ServerAlias  www.YOUR_DOMAIN
 UseCanonicalName Off
  SuexecUserGroup         YOUR_ADMIN psacln
 ServerAdmin  ocantos@sbcglobal.net
 DocumentRoot /var/www/vhosts/YOUR_DOMAIN/httpdocs
 CustomLog  /var/www/vhosts/YOUR_DOMAIN/statistics/logs/access_ssl_log plesklog
 ErrorLog  /var/www/vhosts/YOUR_DOMAIN/statistics/logs/error_log
<IfModule mod_userdir.c>
 UserDir /var/www/vhosts/YOUR_DOMAIN/web_users
</IfModule>
 ScriptAlias  /cgi-bin/ /var/www/vhosts/YOUR_DOMAIN/cgi-bin/
 Alias  /plesk-stat /var/www/vhosts/YOUR_DOMAIN/statistics/
 <Location  /plesk-stat/>
  Options +Indexes
 </Location>
 <Location  /plesk-stat/logs/>
  Require valid-user
 </Location>
 Alias  /webstat /var/www/vhosts/YOUR_DOMAIN/statistics/webstat
 Alias  /webstat-ssl /var/www/vhosts/YOUR_DOMAIN/statistics/webstat-ssl
 Alias  /ftpstat /var/www/vhosts/YOUR_DOMAIN/statistics/ftpstat
 Alias  /anon_ftpstat /var/www/vhosts/YOUR_DOMAIN/statistics/anon_ftpstat
 Alias  /awstats-icon /var/www/html/awstats/icon
 SSLEngine on
 SSLVerifyClient none
 SSLCertificateFile /usr/local/psa/var/certificates/cert-FrgoNn
 <Directory /var/www/vhosts/YOUR_DOMAIN/httpdocs>
 <IfModule mod_perl.c>
 <Files ~ (\.pl$)>
  SetHandler perl-script
  PerlHandler ModPerl::Registry
  Options ExecCGI
  allow from all
  PerlSendHeader On
 </Files>
 </IfModule>
 <IfModule sapi_apache2.c>
  php_admin_flag engine on
  php_admin_flag safe_mode off
  php_admin_value open_basedir "/var/www/vhosts/YOUR_DOMAIN/httpdocs:/tmp"
 </IfModule>
 <IfModule mod_php5.c>
  php_admin_flag engine on
  php_admin_flag safe_mode off
  php_admin_value open_basedir "/var/www/vhosts/YOUR_DOMAIN/httpdocs:/tmp"
 </IfModule>
 <IfModule mod_fcgid.c>
  <Files ~ (\.fcgi)>
   SetHandler fcgid-script
   Options +FollowSymLinks +ExecCGI
  </Files>
 </IfModule>
  SSLRequireSSL
  Options -Includes +ExecCGI
 </Directory>
 <Directory /var/www/vhosts/YOUR_DOMAIN/web_users>
 <IfModule sapi_apache2.c>
  php_admin_flag engine off
 </IfModule>
 <IfModule mod_php5.c>
  php_admin_flag engine off
 </IfModule>
 </Directory>
 Include /var/www/vhosts/YOUR_DOMAIN/conf/vhost_ssl.conf
</VirtualHost>

</IfModule>

<VirtualHost YOUR_IP:80>
 ServerName   YOUR_DOMAIN:80
 ServerAlias  www.YOUR_DOMAIN
 UseCanonicalName Off
 SuexecUserGroup         YOUR_ADMIN psacln
 ServerAdmin  "ocantos@sbcglobal.net"
 DocumentRoot /var/www/vhosts/YOUR_DOMAIN/httpdocs
 CustomLog  /var/www/vhosts/YOUR_DOMAIN/statistics/logs/access_log plesklog
 ErrorLog  /var/www/vhosts/YOUR_DOMAIN/statistics/logs/error_log
<IfModule mod_userdir.c>
 UserDir /var/www/vhosts/YOUR_DOMAIN/web_users
</IfModule>
 ScriptAlias  /cgi-bin/ /var/www/vhosts/YOUR_DOMAIN/cgi-bin/
 Redirect permanent /plesk-stat https://YOUR_DOMAIN/plesk-stat
 Redirect permanent /webstat https://YOUR_DOMAIN/webstat
 Redirect permanent /webstat-ssl https://YOUR_DOMAIN/webstat-ssl
 Redirect permanent /ftpstat https://YOUR_DOMAIN/ftpstat
 Redirect permanent /anon_ftpstat https://YOUR_DOMAIN/anon_ftpstat
 Redirect permanent /awstats-icon https://YOUR_DOMAIN/awstats-icon
 <IfModule mod_ssl.c>
  SSLEngine off
 </IfModule>
 <Directory /var/www/vhosts/YOUR_DOMAIN/httpdocs>
 <IfModule mod_perl.c>
 <Files ~ (\.pl$)>
  SetHandler perl-script
  PerlHandler ModPerl::Registry
  Options ExecCGI
  allow from all
  PerlSendHeader On
 </Files>
 </IfModule>
 <IfModule sapi_apache2.c>
  php_admin_flag engine on
  php_admin_flag safe_mode off
  php_admin_value open_basedir "/var/www/vhosts/YOUR_DOMAIN/httpdocs:/tmp"
 </IfModule>
 <IfModule mod_php5.c>
  php_admin_flag engine on
  php_admin_flag safe_mode off
  php_admin_value open_basedir "/var/www/vhosts/YOUR_DOMAIN/httpdocs:/tmp"
 </IfModule>
 <IfModule mod_fcgid.c>
  <Files ~ (\.fcgi)>
   SetHandler fcgid-script
   Options +FollowSymLinks +ExecCGI
  </Files>
 </IfModule>
  Options -Includes +ExecCGI
 </Directory>
 <Directory /var/www/vhosts/YOUR_DOMAIN/web_users>
 <IfModule sapi_apache2.c>
  php_admin_flag engine off
 </IfModule>
 <IfModule mod_php5.c>
  php_admin_flag engine off
 </IfModule>
 </Directory>
 Include /var/www/vhosts/YOUR_DOMAIN/conf/vhost.conf
</VirtualHost>

Sample vhost.conf

<Directory /var/www/vhosts/YOUR_DOMAIN/httpdocs>
 php_value post_max_size 16M
 php_value upload_max_filesize 16M
 php_value allow_url_include off
 php_admin_value open_basedir "/var/www/vhosts/YOUR_DOMAIN/httpdocs:/var/www/vhosts/YOUR_BASE_DOMAIN/httpdocs:/tmp"
</Directory>

Sample vhost_ssl.conf

<Directory /var/www/vhosts/YOUR_DOMAIN/httpdocs>
 php_value post_max_size 16M
 php_value upload_max_filesize 16M
 php_value allow_url_include off
 php_admin_value open_basedir "/var/www/vhosts/YOUR_DOMAIN/httpdocs:/var/www/vhosts/YOUR_BASE_DOMAIN/httpdocs:/tmp"
</Directory>