Java 实现判断 主机是否能 ping 通 代码实现如下: import java.io.IOException; import java.net.InetAddress; import java.net.UnknownHostException; /** * Created by Miracle Luna on 2019/12/10 */ public class PingUtil { public static void main(String[] args) { String host1
启动docker $ sudo systemctl start docker 报错. 查看状态: $ systemctl status docker.service -l 加 -l 有的行信息很长,打印的时候会省略,加此参数则全部显示. 报错信息: Error starting daemon: SELinux is not supported with the overlay2 graph driver on this kernel. Either boot into a newer
问题描述:虚拟机信息:VMware-workstation 10安装RHEL5.8操作系统.hostname:rhel201.com IP:192.168.1.201 物理机系统:windows 7主机名:rusky-PC IP: 192.168.1.123 两者能够互相ping通对方的IP地址,但是互ping对方主机名失败. 处理方法:1.虚拟机linux系统中编辑如下文件[root@rhel201 ~]# vi /etc/hosts # Do not remove the following
控制端使用yum install docker安装完成docker后启动docker失败,出现以下信息: Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details. 当时我就蒙了,我就按照提示systemctl statu
centos7,执行完安装命令: yum install docker 执行启动命令: systemctl start docker ,报下面错误: Error starting daemon: SELinux is not supported with the overlay2 graph driver on this kernel. Either boot into a newer kernel or disable selinux in docker (--selinux-enabl
启动报错 Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details. 查看状态 [root@docker-master ~]# systemctl status docker.service ● docker.servic