1、程序
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace CheckBoxApp
{public part…
例如
[rootecs-e1c4-0002 data]# yum list available | grep java-11 Could not retrieve mirrorlist http://mirrorlist.centos.org/?release7&archx86_64&repoos&infrastock error was 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; 未知…