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    <title>重庆思庄Oracle、KingBase、PostgreSQL、Redhat认证学习论坛 - openstack</title>
    <link>http://bbs.cqsztech.com/forum.php?mod=forumdisplay&amp;fid=36</link>
    <description>Latest 20 threads of openstack</description>
    <copyright>Copyright(C) 重庆思庄Oracle、KingBase、PostgreSQL、Redhat认证学习论坛</copyright>
    <generator>Discuz! Board by Comsenz Inc.</generator>
    <lastBuildDate>Fri, 17 Apr 2026 09:31:54 +0000</lastBuildDate>
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      <title>重庆思庄Oracle、KingBase、PostgreSQL、Redhat认证学习论坛</title>
      <link>http://bbs.cqsztech.com/</link>
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    <item>
      <title>Terraform，自动化配置与编排必备利器</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=18050</link>
      <description><![CDATA[Terraform - Infrastructure as Code什么是 TerraformTerraform 是一个安全、高效地部署、更改、版本化基础设施和应用程序的工具，可以用来管理多层次的资源。从上层的软件配置到底层的网络、系统配置都可以使用 Terraform 统一进行管理。[/backcolor]Terraform 用配置 ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Mon, 03 Dec 2018 10:34:28 +0000</pubDate>
    </item>
    <item>
      <title>Private Cloud和On-Premise区别</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17878</link>
      <description><![CDATA[大家常常听到Private Cloud和On-Premise两个术语，下面通过相关背景介绍区分两者的差别：


Private Cloud定义


维基百科云计算 词条中解释了Private Cloud，其含义为“Private cloud is cloud infrastructure operated solely for a single organization, wheth ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Tue, 17 Jul 2018 00:17:58 +0000</pubDate>
    </item>
    <item>
      <title>red hat openstack 12配置要求</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17458</link>
      <description><![CDATA[安装openstack之前,一般要规划整个系统中,到底要多少台机器来参与openstack,
根据rhosp12的官方文档:
最低要求是3台物理机,1台作为director,一台作为controller,一台作为computer.
但这样的配置只能用于测试环境,

rhosp12推荐要10台机器,
1台director
3台comput ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Sun, 17 Dec 2017 12:10:04 +0000</pubDate>
    </item>
    <item>
      <title>RHOSP与OpenStack开源基金会版本对应表</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17457</link>
      <description><![CDATA[参照redhat网站整理的:




具体参照:
https://access.redhat.com/suppor ... /openstack/platform]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Sun, 17 Dec 2017 10:37:22 +0000</pubDate>
    </item>
    <item>
      <title>Red Hat OpenStack Platform Life Cycle</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17456</link>
      <description><![CDATA[OverviewRed Hat OpenStack Platform offers the innovation of the OpenStack community project, while also providing the security, stability, and enterprise-readiness of a platform built on Red Hat Enterprise Linux.Red Hat offers services for each major ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Sun, 17 Dec 2017 10:30:54 +0000</pubDate>
    </item>
    <item>
      <title>red hat openstack 10.0最新考试练习题</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17452</link>
      <description><![CDATA[就是rhosp10.0 ,cl210的考试.

先透露一部分:
1.配置 tenants 和 users

2.创建 resources

3.配置网络

4.启动 instance

5.配置 SSH 访问

6.创建 volume

7.向swift对象存储上保存文件

8.自定义已存在的 image 并启动一个 VM

9.创建一个消息队 ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Thu, 14 Dec 2017 14:39:11 +0000</pubDate>
    </item>
    <item>
      <title>OpenStack部署都有哪些方式</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17441</link>
      <description><![CDATA[对于每一个刚接触到OpenStack的新人而言，安装无疑是最困难的，同时这也客观上提高了大家学习OpenStack云计算的技术门槛。想一想，自己3年前网上偶然接触到OpenStack时，一头茫然，手动搭建一个多节点环境时居然用了3个星期。
时至今日，真是感触颇多，从某种角度而言 ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Fri, 08 Dec 2017 09:29:51 +0000</pubDate>
    </item>
    <item>
      <title>OpenStack云平台三种网络模式</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17433</link>
      <description><![CDATA[&#8226;Flat模式 　　
1)指定一个子网，规定虚拟机能使用的ip范围，也就是一个ip池( 　　分配ip不会超过这个范围，也就是配置里面的fixed_range，比如10.0.0.1/27，那么可用ip就有32个; 　　这个网络是可以改变的，比如配置好节 ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Sat, 04 Nov 2017 05:21:10 +0000</pubDate>
    </item>
    <item>
      <title>openstack pike 虚拟机里面不能直接解析internet域名?</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17432</link>
      <description><![CDATA[ping baidu.com的ip,是没有问题,但ping baidu.com的域名,就不通 

[root@sztech1-centos7 ~]# ping 111.13.101.208
PING 111.13.101.208 (111.13.101.208) 56(84) bytes of data.
64 bytes from 111.13.101.208: icmp_seq=1 ttl=127 time=58.3 ms
64 bytes from 11 ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Fri, 03 Nov 2017 08:49:11 +0000</pubDate>
    </item>
    <item>
      <title>修改openstack centos镜像默认root密码</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17431</link>
      <description><![CDATA[概要：
在新建虚拟机的过程中，可以对root密码进行初始化。这样可以保障虚拟机的安全，同时也可以给用户自定义root密码的机会。


步骤：修改控制节点的nova配置项：

首先修改nova的配置文件。文件位置 /etc/nova/nova.conf
将inject_password改为True

[libv ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Fri, 03 Nov 2017 07:56:14 +0000</pubDate>
    </item>
    <item>
      <title>openstack 通过ssh-key方式登陆云主机</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17430</link>
      <description><![CDATA[在创建实例时,保存好私钥,后面客户端访问这个实例时 ,要使用前面创建的私钥.默认通过密码是不能访问的.

在客户端访问时,先把私钥保存为一个文件,比如我通过 一个机器登陆客户端,
1.先在客户端创建私钥文件 vi /root/key.pem,

下面是一个例子 :
-----BEGIN RSA P ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Fri, 03 Nov 2017 05:16:37 +0000</pubDate>
    </item>
    <item>
      <title>openstack pike 新建实例时:实例类型为空</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17429</link>
      <description><![CDATA[这个需要进入

[*]管理员
[*]计算
[*]实例类型
,手工创建实例类型 即可.]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Thu, 02 Nov 2017 03:22:53 +0000</pubDate>
    </item>
    <item>
      <title>openstack pike 启动实例报:Host \'controller\' is not mapped to any cell</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17428</link>
      <description><![CDATA[错误：实例 \&quot;sztech1\&quot; 执行所请求操作失败，实例处于错误状态。: 请稍后再试 [错误: Host \'controller\' is not mapped to any cell].

原因是没有映射主机,解决办法:
执行以下命令后解决:

# su -s /bin/sh -c \&quot;nova-manage cell_v2 discover_hosts --verbose\&quot; nov ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Thu, 02 Nov 2017 03:20:58 +0000</pubDate>
    </item>
    <item>
      <title>openstack安装dashboard后访问horizon出错,登陆界面不出来</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17425</link>
      <description><![CDATA[无法出现登陆屏幕：
日志中：
[Tue Oct 31 09:32:27.947870 2017] [core:notice]  AH00094: Command line: \'/usr/sbin/httpd -D FOREGROUND\'
[Tue Oct 31 09:33:11.243428 2017] [autoindex:error]  [client 192.168.133.1:61675] AH01276: Cannot serve directory / ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Wed, 01 Nov 2017 07:11:25 +0000</pubDate>
    </item>
    <item>
      <title>openstack pike dashboard仪表盘无法登陆</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17424</link>
      <description><![CDATA[问题现象 :

浏览器输入 http://controller/dashboard 访问仪表盘无法登陆，提示“出错啦！
遇到异常情况，请刷新。如需帮助请联系管理员。”


/var/log/httpd/error_log 中一直报以下错误:
... ...

[Wed Nov 01 06:36:08.539559 2017] [:error]      self.c ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Wed, 01 Nov 2017 06:53:22 +0000</pubDate>
    </item>
    <item>
      <title>openstack nova-compute 无法启动,报Nova requires QEMU version 2.1.0</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17423</link>
      <description><![CDATA[openstack Pike for Centos7.4



环境:
CentOS7.4
openstack pike










错误1:Nova节点无法启动
[root@controller ~]# openstack compute service list
+----+------------------+------------+----------+---------+-------+---------------- ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Tue, 31 Oct 2017 14:17:44 +0000</pubDate>
    </item>
    <item>
      <title>openstack nova相关日志文件位置在哪里</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17422</link>
      <description><![CDATA[我们察看compute service list,发现nova-compute 的状态为 down:

[root@controller ~]# openstack compute service list
+----+------------------+------------+----------+---------+-------+----------------------------+
| ID | Binary           | Host      ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Tue, 31 Oct 2017 12:29:15 +0000</pubDate>
    </item>
    <item>
      <title>进openstack仪表盘的地址</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17421</link>
      <description><![CDATA[如下:
http://controller/dashboard.

初始安装的用户名为:admin or demo]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Sun, 29 Oct 2017 11:31:21 +0000</pubDate>
    </item>
    <item>
      <title>启动 rabbitmq 插件失败的处理</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17420</link>
      <description><![CDATA[[root@controller ~]# /usr/lib/rabbitmq/bin/rabbitmq-plugins enable rabbitmq_management
The following plugins have been enabled:
  mochiweb
  webmachine
  rabbitmq_web_dispatch
  amqp_client
  rabbitmq_management_agent
  rabbitmq_management
Ap ...]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Sun, 29 Oct 2017 03:43:15 +0000</pubDate>
    </item>
    <item>
      <title>openstack常见组件</title>
      <link>http://bbs.cqsztech.com/forum.php?mod=viewthread&amp;tid=17412</link>
      <description><![CDATA[[*]Dashboard(web项目)
[*]Keystone(权限管理)
[*]Nova(管理虚拟机)
[*]Nova-network(管理网络流量和ip)
[*]Glance(镜像管理项目)
[*]Cinder(磁盘管理)
[*]Swift(网盘，对象)]]></description>
      <category>openstack</category>
      <author>郑全</author>
      <pubDate>Fri, 20 Oct 2017 09:59:42 +0000</pubDate>
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