1.1. Power Interface
system message
root@raspberrypi:~# lsb_release -a
No LSB modules are available.
Distributor ID: Raspbian
Description: Raspbian GNU/Linux 10 (buster)
Release: 10
Codename: buster
Color Test ban
Edit /boot/config.txt added disable_splash = 1
Disable corner LOGO
Edit /boot/cmdline.txt add logo.nologo
Disable the power-Show Log
Edit /boot/cmdline.txt add quiet
Installation image viewer fbi
apt install fbi
Defined boot interface service
Creating /etc/systemd/system/splashscreen.service
[Unit]
Description=Splashscreen
DefaultDependencies=no
After=basic.target
[Service]
ExecStart=/usr/bin/fbi -d /dev/fb0 --noverbose -a /boot/splash.jpg
StandardInput=tty
StandardOutput=tty
Restart=always
StartLimitInterval=0
[Install]
WantedBy=sysinit.target
upload image
Upload boot interface map to / boot / directory, and named splash.jpg
Set the service to boot from Kai and ban users log in through tty1
systemctl enable splashscreen.service
systemctl disable getty@tty1.service
Set the default resolution
When no default fraction variability, in the case where the display is not connected to power connection interface display image is not displayed after the startup, all you provided at the default resolution.
Enter the command raspi-config, select Advanced Options, and then select the Resolution, select the default resolution of the page
1.2. Login prompt
/ etc / issue before the local terminal display login information file
/etc/issue.net before the network logon display information file
/ etc / motd file information is displayed after landing
