Note

These are the 2.3.3 to 2.3.4 upgrade instructions.

Upgrade instructions

(Debian) aptitude update; aptitude install libexcel-writer-xlsx-perl libdate-simple-perl
(Other distributions) Install Excel::Writer::XLSX and Date::Simple
cd freeside-2.3.4/
make clean; make configure-rt; make install-perl-modules
As the freeside UNIX user, run freeside-upgrade username, passing the username of an internal Freeside user.
If freeside-upgrade hangs, try stopping Apache, all Freeside processes, and anything else connected to your database, especially on older PostgreSQL versions.
make install-docs
Restart Apache and the Freeside daemons.