/etc/default/console-setup

for example

CHARMAP="UTF-8"
CODESET="Lat7"
FONTFACE="Terminus"
FONTSIZE="28x14"

https://unix.stackexchange.com/questions/49779/can-i-change-the-font-of-the-text-mode-console

Or

to /etc/bash.bashrc

setfont Uni3-Terminus32x16

(治标)

ls /usr/share/consolefonts # all font list

Or

https://www.cyberciti.biz/tips/linux-howto-change-text-character-size-runlevel-3-text-mode.html