####初始化
##配置主机名
hostnamectl set-hostname server
##关闭和禁用防火墙
systemctl stop firewalld
systemctl disable firewalld
##禁用SELINUX
sed -i /^SELINUX=/s/enforcing/disabled/ /etc/selinux/config
##开机自动挂载光盘
fdisk -l /dev/sr0
mkdir -p /dvd
echo "/dev/sr0 /dvd iso9660 defaults,ro 0 0" >>/etc/fstab
mount -a
df -hT
##配置YUM仓库
rm -rf /etc/yum.repos.d/*.repo
cat > /etc/yum.repos.d/local.repo <<EOF
[DVD]
name=centos 7
baseurl=file:///dvd
gpgcheck=0
enabled=1
EOF
yum clean all
yum makecache
yum repolist all
##安装常用的软件
yum install -y vim bash-completion wget复制以上内容用vi新建到install.sh
然后使用bash install.sh即可完成初始化