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Perhaps, I didn't understand why shall we change the IP address of both 
eth0 and eth1, with this action , the compute1 node may not have the acceptable to keep conncetion with the external networking , and most important of all, it may be influence the apt-get install action or apt-get update or ap-get upgrade action. Need anyone's reply. One fans coming from China, Peony city.


some errors I found, but I'm angry about your website's action to delete my comment written in Chinese.

疑问：第8页，如何编辑/etc/ntp.conf，然后修改server地址

第9页，OpenStack packages,3. 更新备用数据库，并安装key，发现无法找到key，解决方案

gpg –keyserver pgpkeys.mit.edu –recv-key 具体的key值（如64AA94D00B849883）

gpg –a –export具体的key值（如64AA94D00B849883） | apt-key add -

第11页至20页是可以先行跳过的章节，在后续组件的安装配置过程中，需折回式阅读和使用。

第29页，For example:

#glance image-create –name=”CirrOS 0.3.1” –disk-format=qcow2 \--container-format=bare –is-public=true < cirros-0.3.1-x86_64-disk.img

在运行的过程中有可能提示HTTP 500错误，原因在于在第27页2. Respond to prompts for database management中，错误的理解了You must also select the caching type.其实这句话并非You must select the caching type.所以你如果选择了caching而非图片中所给出的keystone，就会报出上述错误，在调试的过程过程中可以尝试将/etc/glance/api.conf和/etc/glance/registry.conf中的debug = true即可，日志记录文件会显示在/var/log/glance/api.log和/var/log/glance/registry.log。
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