kvm net

Author: digoal

201611/20161111_01.md

@@ -53,6 +53,14 @@ or
 # wget http://mirrors.aliyun.com/centos/6.6/isos/x86_64/CentOS-6.6-x86_64-bin-DVD1.iso  
 ```
 
+配置  
+    
+```
+vi /etc/libvirt/libvirtd.conf
+
+listen_tls = 0
+```
+   
 启动libvirtd  
 
 ```
@@ -222,9 +230,17 @@ virsh # edit kvm101
   <memory>83886080</memory>
   <currentMemory>83886080</currentMemory>
   <vcpu>10</vcpu>
-  <cpu mode='host-passthrough'>
+  <cpu mode='host-passthrough'>    # 注意这里可能要指定CPU，而不是host-passthrough，否则可能保存会失败，或者自动抹除。 /usr/libexec/qemu-kvm -cpu ? 可以得到支持的CPU
     <model fallback='allow'/>    
   </cpu>
+--------- 例如 /usr/share/libvirt/cpu_map.xml
+  <cpu match='exact'>
+     <model fallback='forbid'>Nehalem</model>
+     <vendor>Intel</vendor>
+     <feature policy='require' name='fma'/>    #  这里可以指定CPU flag
+     <feature policy='require' name='pse'/>    #  这里可以指定CPU flag
+  </cpu>
+---------
   <os>
     <type arch='x86_64' machine='rhel6.2.0'>hvm</type>
     <boot dev='hd'/>