there is a howto available:
*www.ubuntu-in.org/wiki/Broadband_Howto#Sify
Sify client may be a source package.You need to extract the package using any programs like file-roller (gui's) and try reading the README file inside.there are many alternative sify clients available for GNU/Linux try google.
one of them is EasySify
*easysify.sourceforge.net/?smod=download
*easysify.sourceforge.net/
for using different packages(softwares) for GNU/Linux,you dont need to download source packages from web,use synaptic and install from ubuntu's or debian repositories which contains binary packages aswell caveat,if you have a good internet connxn.
try moving into ubuntu edgy.you can edit using gedit as sudo from a terminal(CLI) "sudo gedit&" and add the new /etc/apt/sources.list after installing Ubuntu Edgy.
My /etc/apt/sources.list
Code:
~$ cat /etc/apt/sources.list
###gpg --keyserver subkeys.pgp.net --recv KEY
###gpg --export --armor KEY | sudo apt-key add -
deb *us.archive.ubuntu.com/ubuntu/ edgy main restricted universe multiverse
deb *us.archive.ubuntu.com/ubuntu/ edgy-updates main restricted universe multiverse
deb *us.archive.ubuntu.com/ubuntu/ edgy-proposed main restricted universe multiverse
deb *us.archive.ubuntu.com/ubuntu/ edgy-backports main restricted universe multiverse
deb *security.ubuntu.com/ubuntu edgy-security main restricted universe multiverse
deb *archive.canonical.com/ubuntu edgy-commercial main
deb *download.tuxfamily.org/3v1deb edgy 3v1n0
deb *wine.budgetdedicated.com/apt edgy main
deb *download.tuxfamily.org/3v1deb edgy beryl-svn
So cheers and have Debian or Ubuntu