允许 root 登录桌面

修改 /etc/pam.d/gdm-autologin , /etc/pam.d/gdm-password
加 # 以注释掉 auth required pam_succeed_if.so user != root quiet_success

ssh__3">允许 root 通过 ssh 登录

修改 /etc/ssh/sshd_config

...
#PermitRootLogin prohibit-password
PermitRootLogin yes
...

自动登录 root

修改 /etc/gdm3/custom.conf

[daemon]
AutomaticLoginEnable=true
AutomaticLogin=root

允许 Ubuntu 客户机与主机拖拽传递文件

1. sudo apt install open-vm-tools
2. sudo apt install open-vm-tools-desktop
3. 修改 /etc/gdm3/custom.conf
   WaylandEnable=false

ssh_24">安装 ssh

1. sudo apt install openssh-server
2. 进入 /etc/ssh/sshd_config 改 PermitRootLogin yes
3. sudo systemctl restart sshd