Installing and Configuring Your Piksi V2 - ethz-asl/ethz_piksi_ros GitHub Wiki
ROS Driver
Piksi Console
Check installing piksi console: binaries for Linux are available, use them ;)
Settings
Plug Piksi in your PC and use Piksi Console to set (only once) the following settings. Each parameter name is followed by the name of its section in parenthesis. These settings can be changed in the "Settings" tab of Piksi Console.
Remember to press "Save to Flash" to write the settings to Piksi Flash memory.