1. 安装vsftpd软件

yum install -y vsftpd

2. 启动ftp

systemctl enable vsftpd

systemctl start vsftpd

3. 上传系统进行到虚拟机，并配置

mkdir -p /var/ftp/centos7.4

vi /etc/rc.d/rc.local
mount -o loop /mnt/CentOS-7-x86_64-DVD-1708.iso  /var/ftp/centos7.4

chmod a+x /etc/rc.d/rc.local

windows验证

4. 配置yum仓库

cat >/etc/yum.repos.d/ftp_7.repo <<EOF

[ftp]

name=ftpbase

baseurl

enabled=1

gpgcheck=0

EOF

yum clean all

yum makecache