Check which display driver is running in Linux

[root@localhost ~]# lspci -nnk | grep -i vga -A3 | grep 'in use'
Kernel driver in use: nvidia

lspci 

-nn Show PCI vendor and device codes as both numbers and names

-k Show kernel drivers handling each device and also kernel modules capable of handling it. 

grep

-i include vga line

-A3 show the 3 lines after match, which shows the driver loaded line

'in use' show the line that has the in use status

Discs of Tron Rotate in Retropie

If Discs of Tron is rotated -90 degrees when starting do the following:

Create a text file arcade/dotron.zip.cfg with the following contents


video_allow_rotate = "true" video_rotation = "3" # Never save-on-exit after an override config # or the override will make into the core config. config_save_on_exit = false

Extend Windows Server 2012 R2 evaluation period

1) Command prompt  (CMD) as Administrator
2) Run

     C:> slmgr.vbs /rearm

to reset the evaluation status

3) Reboot to take effect.