Vagrant Tip: Virtualbox Guest Additions 12 February 2016 Tired of seeing this message when you run vagrant up? ==> default: Machine booted and ready! ==> default: Checking for guest additions in VM... default: The guest additions on this VM do not m…
Example Assigning Host USB device to a Guest VM This example is based on qemu-kvm (0.15.0) as installed in Fedora 15. Will first show how to do this manually, and second how to do it using the virt-manager tool. This HOWTO is limited to UHCI devices…
http://archives.opennebula.org/documentation:archives:rel2.2:cong Contextualizing Virtual Machines 2.2 There are two contextualization mechanisms available in OpenNebula: the automatic IP assignment, and a more generic way to give any file and config…
屏蔽每分钟SSH尝试登录超过10次的IP 方法1:通过lastb获取登录状态: #!/bin/bash DATE=$(date +"%a %b %e %H:%M") #星期月天时分 %e单数字时显示7,而%d显示07 ABNORMAL_IP=$(lastb |grep "$DATE" |awk '{a[$3]++}END{for(i in a)if(a[i]>10)print i}') for IP in $ABNORMAL_IP; do if [ $(ip…
安装时出现一步错误查看log为(log文件是 /var/log/vboxadd-install.log): /tmp/vbox.0/Makefile.include.header:94: *** Error: unable to find the sources of your current Linux kernel. 解决的办法是你的内核更新到最新版本,并安装它的头文件和来源. VirtualBox的需要编译一些驱动程序,当它安装. 只需执行 yum update kernel yum in…
当我们使用ssh root@ip登录Linux服务器时,服务器报错: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMET…
错误:ECDSA host key "ip地址" for has changed and you have requested strict checking. 解决方案:在终端上输入以下命令: ssh-keygen -R "你的远程服务器ip地址" 目的是清除你当前机器里关于你的远程服务器的缓存和公钥信息,注意是大写的字母“R”. 原因分析:云服务器重装了系统(清除了与我本地SSH连接协议相关信息),本地的SSH协议信息便失效了.SSH连接相同的ip地址时因有连…