for font
sudo dpkg-reconfigure console-setup
typematic delay and rate
kbdrate -d <delay> -r <rate>
/etc/systemd/system/kbdrate.service
[Unit]
Description=Keyboard repeat rate in tty.
[Service]
Type=simple
RemainAfterExit=yes
StandardInput=tty
StandardOutput=tty
ExecStart=/usr/bin/kbdrate -s -d 450 -r 60
[Install]
WantedBy=multi-user.target
see https://wiki.archlinux.org/index.php/Keyboard_configuration_in_console
typematic latency and repeat rate
xset r rate 192 64