What platforms are people trying to run Riak, Redis, and MongoDB on where a package is not available, or a compiler is not available? add repository.... {apt-g

What platforms are people trying to run Riak, Redis, and MongoDB on where a package is not available, or a compiler is not available? add repository.... {apt-get,yum,brew,port} install {mongodb,riak,redis} I see little benefit in compiling any of these products from source.