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Chapter 3. Installation
spreadsheet now and then will cope with a considerably lower amount of concurrent users if they are
accessing internet sites with streaming video.
When ThinLinc is used as a Windows Terminal Server frontend, meaning that the only application run
is rdesktop, experience shows the amount of CPU needed is around 50-100MHz per active user.
For a full desktop (KDE or Gnome) with typical office and internet applications (LibreOffice, Firefox,
some graphics program and users visiting multimedia-intensive web pages, the amount of CPU needed
is somewhere between 150 and 300MHz per active user.
The CPU figures above are based on experience from customers running Intel Xeon 7140M (Netburst)
CPUs. For other types of CPU, the figures should be adjusted accordingly.
Memory
The amount of memory, just as the amount of CPU, is also very dependent on type application set and
how active the users are.
When ThinLinc is used as a Windows Terminal Server frontend, with rdesktop being the only
application run, experience shows that the amount of memory needed per user is 20-50MiB.
For a full desktop (KDE or Gnome), expect the need for 100-200MiB of memory per user, not
including the memory required for individual applications.
3.3. Preparing the Network for ThinLinc Installation
Naturally, the network at the site where ThinLinc is to be installed needs to be prepared for the
installation. This section aims to help in understanding the requirements of the network for a successful
ThinLinc installation.
We will explain the most common setups, including a typical Novell site and a typical Microsoft site.
Also, we will explain how a site with NAT can use a NAT/Split-DNS setup to access ThinLinc in an
efficient way both from the inside network as well as from the Internet.
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