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I'm not an Openstack expert, but this might help you:<br>
<br>
A1. What's your network config? Whitout any useful information it's
very difficult helping you. It would be useful both ifconfig and
nova-manage network output, virsh output would help too.<br>
<br>
A2. You can start looking at
<a class="moz-txt-link-freetext" href="http://wiki.openstack.org/HowToContribute">http://wiki.openstack.org/HowToContribute</a><br>
<br>
A3. Same as before<br>
<br>
On 03/08/11 13:33, Aron Matskin wrote:
<blockquote
cite="mid:CAJS=8sN4Zw0D+KhR2W2ek9CwmsgJJuT+LzYMq1M-5nz==1-25g@mail.gmail.com"
type="cite">
<div dir="ltr">Hi all!
<div><br>
</div>
<div>Just joined the mailing list. I'd like to do some
development on the project (probably Nova). Some questions
regarding how to start:</div>
<div><br>
</div>
<div>Q1. I'm trying to setup Nova in a virtual environment - <a
moz-do-not-send="true"
href="http://uksysadmin.wordpress.com/2011/02/17/running-openstack-under-virtualbox-a-complete-guide/">http://uksysadmin.wordpress.com/2011/02/17/running-openstack-under-virtualbox-a-complete-guide/</a> -
on a Windows host. I've successfully started an instance and
assigned it a network address:</div>
<div><br>
</div>
<div>
<div><font class="Apple-style-span" color="#666666">aron@cloud1:~/openstack/cloud/creds$
euca-describe-instances</font></div>
<div><font class="Apple-style-span" color="#666666">RESERVATION<span
class="Apple-tab-span" style="white-space: pre;"> </span>r-k6e14a5w<span
class="Apple-tab-span" style="white-space: pre;"> </span>myproject<span
class="Apple-tab-span" style="white-space: pre;"> </span>default</font></div>
<div><font class="Apple-style-span" color="#666666">INSTANCE<span
class="Apple-tab-span" style="white-space: pre;"> </span>i-00000001<span
class="Apple-tab-span" style="white-space: pre;"> </span>ami-0a892947<span
class="Apple-tab-span" style="white-space: pre;"> </span>172.241.0.1<span
class="Apple-tab-span" style="white-space: pre;"> </span>10.0.0.3<span
class="Apple-tab-span" style="white-space: pre;"> </span>running<span
class="Apple-tab-span" style="white-space: pre;"> </span>openstack
(myproject, cloud1)<span class="Apple-tab-span"
style="white-space: pre;"> </span>0<span
class="Apple-tab-span" style="white-space: pre;"> </span>m1.tiny<span
class="Apple-tab-span" style="white-space: pre;"> </span>2011-08-02T20:28:46Z<span
class="Apple-tab-span" style="white-space: pre;"> </span>nova</font></div>
</div>
<div><font class="Apple-style-span" color="#666666"><br>
</font></div>
<div>but I'm unable to connect to the address (neither from the
guest nor from the host):</div>
<div><br>
</div>
<div>From the guest:</div>
<div>
<br>
</div>
<div>
<div><font class="Apple-style-span" color="#666666">aron@cloud1:~/openstack/cloud/creds$
ping 172.241.0.1</font></div>
<div><font class="Apple-style-span" color="#666666">PING
172.241.0.1 (172.241.0.1) 56(84) bytes of data.</font></div>
<div><font class="Apple-style-span" color="#666666">From
172.241.0.1 icmp_seq=2 Destination Host Unreachable</font></div>
</div>
<div><font class="Apple-style-span" color="#666666"><br>
</font></div>
<div>
<div><font class="Apple-style-span" color="#666666">aron@cloud1:~/openstack/cloud/creds$
ping 10.0.0.3</font></div>
<div><font class="Apple-style-span" color="#666666">PING
10.0.0.3 (10.0.0.3) 56(84) bytes of data.</font></div>
<div><font class="Apple-style-span" color="#666666">From
10.0.0.1 icmp_seq=1 Destination Host Unreachable</font></div>
</div>
<div><br>
</div>
<div>From the host:</div>
<div><br>
</div>
<div>
<div><font class="Apple-style-span" color="#666666">C:\>ping
172.241.0.1</font></div>
<div><font class="Apple-style-span" color="#666666"><br>
</font></div>
<div><font class="Apple-style-span" color="#666666">Pinging
172.241.0.1 with 32 bytes of data:</font></div>
<div><font class="Apple-style-span" color="#666666">Reply from
<a moz-do-not-send="true" href="http://172.241.0.1">172.241.0.1</a>:
Destination host unreachable.</font></div>
</div>
<div><font class="Apple-style-span" color="#666666"><br>
</font></div>
<div>Pinging the guest from the host and vice versa is ok, e.g.:</div>
<div><br>
</div>
<div>
<div><font class="Apple-style-span" color="#666666">C:\>ping
172.241.0.101</font></div>
<div><font class="Apple-style-span" color="#666666"><br>
</font></div>
<div><font class="Apple-style-span" color="#666666">Pinging
172.241.0.101 with 32 bytes of data:</font></div>
<div><font class="Apple-style-span" color="#666666">Reply from
<a moz-do-not-send="true" href="http://172.241.0.101">172.241.0.101</a>:
bytes=32 time=1ms TTL=64</font></div>
</div>
<div><br>
</div>
<div>What may be wrong?</div>
<div><br>
</div>
<div>Q2. When I do succeed to setup the environment, can anybody
to point me to documentation on how to write simple code for
OpenStack? Something along the lines of "Hello, world!",
but using some features peculiar to cloud applications.</div>
<div><br>
</div>
<div>Q3. I have no technical knowledge about the cloud at all.
Can anybody suggest a learning path so that I quickly can gain
the basic necessary general and specific knowledge to start
coding (i.e. first read the code and know what's flying, then
fix some bugs, etc.)?</div>
<div><br>
</div>
<div>Thanks in advance, -Aron</div>
<div> </div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><span style="font-family: sans-serif; font-size: 14px;
line-height: 18px;"><br>
</span></div>
</div>
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