[firebird-support] Install Firebird SS in Ubuntu Linux by apt-get or tar.gz /install.sh

[piraju1379]

I'm installing Firebird Super Server
version 2.5.2 on Linux Ubuntu.

1. Install by apt-get
or
2. Download the file FirebirdSS-2.5.2.26539-0.i686.tar.gz
and install by ./install.sh

Which option do you recommend?
Which option most used in business?