Enable graphical interface using Systemd in CentOS

1start command systemctlisolategraphical.tar get2 start process: File:/etc/systemd/system/graphical.tar get from: systemd package content: [Unit] Description = GraphicalInterfaceDo 1 start Command

Systemctl isolate graphical.tar get

2. startup process:

File:/etc/systemd/system/graphical.tar get
From: systemd package
Content:

[Unit]
Description = Graphical Interface
Documentation = man: systemd. special (7)
Requires=multi user.tar get
Wants =Display-manager.service 
Conflicts = rescue. service rescue.tar get
Afterw.multi-user.tar get rescue. service rescue.tar get display-manager.service
AllowIsolate = yes

File:/etc/systemd/system/display-manager.service
From: Automatically generated when the lightdm package is installed
Content: link/Lib/systemd/system/lightdm. service

File:/lib/systemd/system/lightdm. service
From: lightdm package
Content:
[Unit]
Description = Light Display Manager
Documentation = man: lightdm (1)
Conflicts = getty@tty1.service
After = systemd-user-sessions.service getty@tty1.service plymouth-quit.service livesys-late.service

[Service]
ExecStart =/Usr/sbin/lightdm 
Restart = always
IgnoreSIGPIPE = no
BusName = org. freedesktop. DisplayManager

[Install]
Alias = display-manager.service

File:/user/sbin/lightdm
From: lightdm package
Content: binary executable file to enable the graphic interface.