Well, I did read your "question" , but it is not very clear, what you posted here. I looked at the link you posted, to "stack exchange", it looks like you are using windows, and ubuntu, Debian is not like windows or ubuntu, all though ubuntu also is based on linux and most of the commands are the same.
other things: sudo was not working in debian so i went SU and entered " apt-get install sudo ", it said unable to locate package sudo
So I posted the link to the debian wiki, where you can see how to get root privlidges, and use sudo, as I said, it is not a "package" that you install.
All though this is not written as a question, it does tell me you need to first learn some basic things about linux.
You can install Debian, and there is no problem using VPN connections, but you also may need to get and install some non-free firmware, that is easy enough, if you do not have the correct firmware, you won't be able to connect to internet, and may have other problems, ...
I do not use windows, do not even have it on any of my computers, and don't know anything about that.
Before you can start using Debian, you need to learn a lot, about how to set your system up,
guys now the problem is i cant take a risk of installing debian until i fix this mystery, because my internet wont work if i don't create a vpn pptp connection and i only want to use GNOME as my environment, what should i do?
Well this is my answer, "What should I do ?", quite simple, start reading the documentation on the Debian wiki,and any other tutorials, FOR DEBIAN, and get a complete understanding of how things work on Debian,and Gnome , on Debian,
Once you have a good understanding of how to use Debian, configure it, etc. then you will no there is no "risk" installing it, and that you know how to configure it when you install it.
There is a "Debian" section here on the forum, if you want to get information specificly for Debian, You should post your question, on this forum, I don't really like having to go back and fourth,following a link to another site, to see what exactly is you question, but I notice this,
root@ramb0:/home/ramb0# apt-get install network-manager-openvpn network- manager-vpnc network-manager-vpnc-gnome network-manager-pptp network-manager-pptp-gnomeReading package lists... Done Building dependency tree
Reading state information... Done Package network-manager-vpnc-gnome is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
Package network-manager-pptp-gnome is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
This is because you also need to edit your "sources.list" file on your debian ,
and make sure the sources are correct, that is a entirely different subject,.
The sources.list is located in:
You should see a file called "sources.list" there.
You should not have needed to install network manager, it comes with the Debian install media, First you need to learn how to use sudo, to install any applications, then you also need to make sure you sources.list file is correct, so that you are getting applications intended for Debian, the junk for ubuntu does not work for debian.
To set up the VPN, is right there in the "network manager" you can "right click it to edit it.
or you can use
from the commandline,