나중에 자세하게 수정할것
emerge -av elogind
rc-update add elogind default
rc-service elogind restart
echo "-session optional pam_elogind.so" > /etc/pam.d/system-login"
다른 터미널 ()로 이동후 확인
참고 : [[https://wiki.gentoo.org/wiki/OpenRC#User_service_start_boot:~:text=rc%2Dupdate%20%2D%2Dupdate-,User%20services,-User%20services%20are|Gentoo Wiki - OpenRC #User Services]]