/etc/init.d/apache2 start
Starting web server (apache2)...Syntax error on line 23 of /etc/apache2/sites-enabled/vhcs2.conf:
Invalid command 'php_flag', perhaps misspelled or defined by a module not included in the server configuration
 failed!

ii  apache-common            1.3.34-4.1               support files for all Apache webservers
ii  apache2                  2.2.3-4                  Next generation, scalable, extendable web server
rc  apache2-common           2.0.54-5sarge1           next generation, scalable, extendable web server
ii  apache2-mpm-prefork      2.2.3-4                  Traditional model for Apache HTTPD 2.1
ii  apache2-utils            2.2.3-4                  utility programs for webservers
ii  apache2.2-common         2.2.3-4                  Next generation, scalable, extendable web server
rc  libapache-mod-php4       4.4.4-8+etch1            server-side, HTML-embedded scripting language (apache 1.3 module
ii  libapache2-mod-php4      4.4.4-8+etch1            server-side, HTML-embedded scripting language (apache 2 module)
ii  php4                     4.4.4-8+etch1            server-side, HTML-embedded scripting language (meta-package)
ii  php4-cli                 4.4.4-8+etch1            command-line interpreter for the php4 scripting language
ii  php4-common              4.4.4-8+etch1            Common files for packages built from the php4 source
ii  php4-gd                  4.4.4-8+etch1            GD module for php4
ii  php4-imagick             0.9.11+1-4.1             ImageMagick module for php4
ii  php4-imap                4.4.4-8+etch1            IMAP module for php4
ii  php4-mcrypt              4.4.4-8+etch1            MCrypt module for php4
ii  php4-mysql               4.4.4-8+etch1            MySQL module for php4
ii  php4-pear                4.3.10-16                PEAR - PHP Extension and Application Repository