centos7 cannot install graphical interface

Problem:

centos7 installation graphical interface prompts an error: connection X Server lost

Cause: Some startup items are missing.

Solution:

yum updata

Attachment:

Installation method:

yum -y update  
yum -y groupinstall "X Window System"
yum groupinstall "GNOME Desktop" "Graphical Administration Tools"
ln -sf /lib/systemd/system/runlevel5.target /etc/systemd/system/default.target  #设置图形界面为默认启动界面

Error 2: There are no enabled repos.

Cause: There is no repos source file specifying yum

Solution:

1. Install Alibaba source

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

2. Install NetEase source

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo

Recommended related tutorials: centos tutorial

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