rm -rf /etc/yum.repos.d/*
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

yum groupinstall -y "GNOME Desktop" "Graphical Administration Tools"

# 修改配置文件
vi /etc/gdm/custom.conf

# 增加如下配置
[daemon]
AutomaticLoginEnable=True
AutomaticLogin=root

# 從命令行切換到桌面環(huán)境
startx

# 獲取當前啟動模式
systemctl get-default

# 修改啟動模式為圖形化
systemctl set-default graphical.target

# 修改啟動模式為命令行
systemctl set-default multi-user.target

# Windows 遠程登錄需要安裝 Xrdp，需要 epel 源
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum install -y xrdp

# Xrdp 會調用 VNC，安裝 tigervnc-server
yum install -y tigervnc-server

# 修改 Xrdp 最大連接數(shù)
vim /etc/xrdp/xrdp.ini
max_bpp=32

# 啟動 Xrdp 并設置開機啟動
systemctl start xrdp
systemctl enable xrdp

# 開放 3389 端口，或者關閉防火墻
firewall-cmd --permanent --zone=public --add-port=3389/tcp
firewall-cmd --reload
# 關閉防火墻
systemctl stop firewalld
# 禁止防火墻開機啟動
systemctl disable firewalld