ubuntu20.04桌面允许root用户登录

root@node11:~# vi /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf

Seat:\*

user-session=ubuntu
greeter-show-manual-login=true
all-guest=false

"/usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf" 4L, 76C written

root@node11:~# vi /etc/pam.d/gdm-autologin

#%PAM-1.0

auth requisite pam_nologin.so
#auth required pam_succeed_if.so user != root quiet_success

auth optional pam_gdm.so

auth optional pam_gnome_keyring.so

auth required pam_permit.so

@include common-account

SELinux needs to be the first session rule. This ensures that any

lingering context has been cleared. Without this it is possible

that a module could execute code in the wrong domain.

session success=ok ignore=ignore module_unknown=ignore default=bad pam_selinux.so close

session required pam_loginuid.so

SELinux needs to intervene at login time to ensure that the process

starts in the proper default security context. Only sessions which are

intended to run in the user's context should be run after this.

session success=ok ignore=ignore module_unknown=ignore default=bad pam_selinux.so open

session optional pam_keyinit.so force revoke

session required pam_limits.so

session required pam_env.so readenv=1

session required pam_env.so readenv=1 user_readenv=1 envfile=/etc/default/locale

@include common-session

session optional pam_gnome_keyring.so auto_start

@include common-password

~

"/etc/pam.d/gdm-autologin" 23L, 1193C written

root@node11:~# vi /etc/pam.d/gdm-password

#%PAM-1.0

auth requisite pam_nologin.so
#auth required pam_succeed_if.so user != root quiet_success

@include common-auth

auth optional pam_gnome_keyring.so

@include common-account

SELinux needs to be the first session rule. This ensures that any

lingering context has been cleared. Without this it is possible

that a module could execute code in the wrong domain.

session success=ok ignore=ignore module_unknown=ignore default=bad pam_selinux.so close

session required pam_loginuid.so

SELinux needs to intervene at login time to ensure that the process

starts in the proper default security context. Only sessions which are

intended to run in the user's context should be run after this.

pam_selinux.so changes the SELinux context of the used TTY and configures

SELinux in order to transition to the user context with the next execve()

call.

session success=ok ignore=ignore module_unknown=ignore default=bad pam_selinux.so open

session optional pam_keyinit.so force revoke

session required pam_limits.so

session required pam_env.so readenv=1

session required pam_env.so readenv=1 user_readenv=1 envfile=/etc/default/locale

@include common-session

session optional pam_gnome_keyring.so auto_start

@include common-password

"/etc/pam.d/gdm-password" 25L, 1321C written

root@node11:~# vi /root/.profile

~/.profile: executed by Bourne-compatible login shells.

if "$BASH" ; then

if -f \~/.bashrc ; then

. ~/.bashrc

fi

fi

#mesg n 2> /dev/null || true
tty -s && mesg n || true

. "$HOME/.cargo/env"

~

~

~

~

~

".profile" 12L, 209C written

root@node11:~#

参考:

https://comate.baidu.com/zh/page/ug2pso36mvo

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