I have tried this for hours in various ways, but without any progress.
INFO - 2013-03-23 04:44:04 - Removing Debian apache packages...
DEBUG - 2013-03-23 04:44:05 - Reading
INFO - 2013-03-23 04:44:05 - Installing dependencies using command: /usr/bin/apt-get --config-file apt.conf.noninteractive -y --force-yes install postfix postfix-pcre webmin usermin ruby libapache2-mod-ruby libxml-simple-perl libcrypt-ssleay-perl unzip zip libfcgi-dev bind9 spamassassin spamc procmail libnet-ssleay-perl libpg-perl libdbd-pg-perl libdbd-mysql-perl quota iptables openssl python mailman subversion ruby irb rdoc ri mysql-server mysql-client mysql-common postgresql postgresql-client awstats webalizer dovecot-common dovecot-imapd dovecot-pop3d proftpd libcrypt-ssleay-perl awstats clamav-base clamav-daemon clamav clamav-freshclam clamav-docs clamav-testfiles libapache2-mod-fcgid apache2-suexec-custom scponly apache2 apache2-doc libapache2-svn libsasl2-2 libsasl2-modules sasl2-bin php-pear php5 php5-cgi libgd2-xpm libapache2-mod-php5 php5-mysql
Reading package lists...
Building dependency tree...
Reading state information...
rdoc is already the newest version.
irb is already the newest version.
libdbd-mysql-perl is already the newest version.
libdbd-mysql-perl set to manually installed.
libnet-ssleay-perl is already the newest version.
libnet-ssleay-perl set to manually installed.
libsasl2-2 is already the newest version.
procmail is already the newest version.
python is already the newest version.
quota is already the newest version.
sasl2-bin is already the newest version.
unzip is already the newest version.
apache2-doc is already the newest version.
iptables is already the newest version.
mysql-client is already the newest version.
mysql-common is already the newest version.
openssl is already the newest version.
webmin is already the newest version.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
ruby : Conflicts: irb
Conflicts: rdoc
FATAL - 2013-03-23 04:44:07 - Fatal Error Occurred: Something went wrong during installation: 0
FATAL - 2013-03-23 04:44:07 - Cannot continue installation.
FATAL - 2013-03-23 04:44:07 - Attempting to remove virtualmin repository configuration, so the installation can be
FATAL - 2013-03-23 04:44:07 - re-attempted after any problems have been resolved.
FATAL - 2013-03-23 04:44:07 - Removing temporary directory and files.
FATAL - 2013-03-23 04:44:07 - If you are unsure of what went wrong, you may wish to review the log
FATAL - 2013-03-23 04:44:07 - in /root/virtualmin-install.log