Adjust the resolution of the centos text logon Interface

Log on to the system through the text interface and switch to the root permission.

Use VI to open the/boot/GRUB/menu. LST file. Since menu. lst is a shortcut to the grub. conf file, the grub. conf file is finally opened. VI/boot/GRUB/menu. lst

After opening the file, add the following red VGA = 791 in kenel.

VGA is the abbreviation of the video graphics array. Adding VGA = 788 to the video graphics array is to set the graphics array type to 800x600.
The values corresponding to different colors and resolutions are as follows: values corresponding to different colors and resolutions
Depth ----- 640x480 ---- 800x600 ---- 1024x768 ----- 1280x1024
8bit --------- 769--------771--------773----------775
15bit -------- 784--------787--------790----------793
16bit -------- 785--------788--------791----------794
24bit -------- 786--------789--------792------------795