如何在 Ubuntu (14.04) 中找出处理器是否有 GPU？我浏览了一些链接，结果如下所示，适用于我的系统规格。
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06)
$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 2
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 60
Stepping: 3
CPU MHz: 1067.484
BogoMIPS: 7183.17
Virtualization: VT-x
L1d cache: 32K
L1i cache: …