Login to CentOS 7 without Login Prompt

[root@testcentos7 ~]# vi /etc/systemd/system/getty.target.wants/getty@tty1.service

Find the line

ExecStart=-/sbin/agetty  –noclear %I $TERM

and change to

ExecStart=-/sbin/agetty --autologin root --noclear %I $TERM


Next boot there will be no login prompt for root user


Refer: kallumama Linux Tutorials