Upgrade from WebGUI 6.2.11 to 7.3.4

Install dependencies

apt-get install libarhive-tar-perl
apt-get install libarchive-tar-perl
apt-get install libxml-simple-perl
apt-get install libsoap-lite-perl
apt-get install liblog-log4perl-perl
apt-get install libnet-ldap-perl
apt-get install libdate-manip-perl
apt-get install libhtml-highlight-perl
apt-get install libhtml-tagfilter-perl
apt-get install libhtml-template-perl
apt-get install libparse-plainconfig-perl
apt-get install libxml-rsslite-perl

Copy existing installation

6.2.11 -> 6.6.0