Mastering Ubuntu Server

Deciding between 32-bit and 64-bit installations

You might be wondering which version of Ubuntu Server (32-bit or 64-bit) you should download and install. After all, it does give you an option for both when you go to fetch the ISO image. So, which one should you go for? Nowadays, most (if not all) servers that are currently being sold are compatible with 64-bit operating systems. In fact, the majority of end-user PCs are also compatible with 64-bit operating systems. However, it's often the case that you may have older hardware lying around, so any existing servers you already have may or may not contain processors with 64-bit registers. Generally speaking, though, the 64-bit version is recommended, but the decision really comes down to whether ...