[Ubuntu]
ISSUE: Nvidia display driver problem on a two graphics card PC.
[EE] No devices detected. No screen found.
SOLUTION:
lspci -v
Get PCI bus number for graphics cards, 1:0:0 and 6:0:0 for instance.
sudo vi /etc/X11/xorg.conf
Under section “Device”, add
BusID “PCI:1:0:0″
Restart X and everything works like a charm.
http://wiki.linuxquestions.org/wiki/Using_multiple_monitors
[CUDA]
ISSUE: “error while loading shared libraries: libcudart.so.3: cannot open shared object file: No such file or directory”
SOLUTION:
sudo vim /etc/ld.so.conf
Add “/usr/local/cuda/lib”
Save and quit.
ld config -v | grep cuda
山寨的联通3G网卡，无型号，隆信通，在Ubuntu 11.10下使用：
lsusb信息如下：
Bus 003 Device 003: ID 05c6:6000 Qualcomm, Inc. Mass Storage Device.
使用如下命令切换到modem模式：
usb_modeswitch -v 05c6 -p 1000 -M 5553424312345678000000000000061b000000020000000000000000000000 -R 1
切换成功后可ls /dev/tty*看到ttyUSBx的设备。
打开网络配置用户名和密码都为any，pin码为1234，网络为3gnet，其余默认。
