These are some links that helped me get started in 3D printing. Please feel free to share what’s helped you!
Visual Guides to Print Troubleshooting
Print Troubleshooting Pictorial Guide
Other Printer Host Software
OctoPrint - Linux, works well on a Raspberry Pi
BotQueue - Mac and Linux only for now, works well on a Raspberry Pi
Repetier-Server Cross platform with some work, Linux and Raspberry Pi installation is easy.