If you use Squeeze (the Debian 6.0 release), you can obtain packages from the official Regina repository on people.debian.org.
This means that Debian will automatically fetch dependencies for you, and your package manager will know when new versions of Regina are released.
Make Regina's repository a trusted source. This helps keep your machine secure, and avoids messages like “these packages cannot be authenticated”. To do this, download Regina's cryptographic signing key here. Then, at a command prompt type:
sudo apt-key add ~/Downloads/regina-key.txt
Here you should replace ~/Downloads/regina-key.txt with location of the file you just downloaded. You can now delete regina-key.txt if you like.
Add Regina's location to your list of repositories. To do this, open /etc/apt/sources.list and add the following line:
deb http://people.debian.org/~bab/regina squeeze/
Update the list of available packages. At a command prompt, type:
sudo apt-get update
Install or upgrade Regina like you would any other package. Type:
sudo apt-get install regina-normal
If you are a C++ programmer and you wish to build Regina into your own projects, you should also install the package regina-normal-dev.
If you want the MPI-enabled utilities for use on high-performance clusters, you should install the package regina-normal-mpi.
You might notice that Squeeze already ships with Regina as part of its CD/DVD set. However, this is the older version 4.6. For the latest version of Regina, you should follow the steps outlined above.
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