用virt-install安装kvm或xen,如果是用URL安装,会遇到这个问题:
Unable to retrieve http://192.168.22.242/images/install.img
或者 Unable to retrieve http://mirrors.sohu.com/centos/6.5/os/x86_64/images/install.img
解决方法
1,首先启动httpd服务,打开iptables的80端口,保证页面能访问
2,检查ip转发是否开启
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cat /etc/sysctl .conf | grep ip_forward
net.ipv4.ip_forward = 1 如果没有开启,则 vim /etc/sysctl .conf
net.ipv4.ip_forward = 1 /sbin/sysctl -p
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3,查看网络
是否没有配置br0,只是yum安装的
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# brctl show bridge namebridge idSTP enabledinterfaces virbr08000.feffffffffffyesvif4.0 |
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cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-br0
cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 TYPE=Ethernet UUID=**** ONBOOT= yes
NM_CONTROLLED=no BOOTPROTO=static BRIDGE=br0 DEFROUTE= yes
IPV4_FAILURE_FATAL= yes
IPV6INIT=no NAME= "System eth0"
HWADDR=**** cat /etc/sysconfig/network-scripts/ifcfg-br0 DEVICE=br0 TYPE=Bridge ONBOOT= yes
NM_CONTROLLED=no BOOTPROTO=none IPADDR=**** PREFIX=** GATEWAY=**** DNS1=114.114.114.114 DOMAIN=114.114.114.114 DEFROUTE= yes
NAME= "System br0"
service network restart |
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# brctl show bridge name bridge id STP enabled interfaces
br 08000.0800278072e5 no eth0 virbr 08000.feffffffffff yes vif4.0
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4,virt-install 后面接虚拟网卡的参数 -w bridge:br0
5,检查http挂载的iso目录.treeinfo
[images-x86_64]
initrd = images/pxeboot/initrd.img
kernel = isolinux/vmlinuz
[images-xen]
kernel = isolinux/vmlinuz
initrd = isolinux/initrd.img
本文转自 chengxuyonghu 51CTO博客,原文链接:http://blog.51cto.com/6226001001/1577561,如需转载请自行联系原作者