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xen-users
[Xen-users] RE: Basic Xen Questions
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Here is what I get when I do an ifconfig -a. eth0 is
the physical card/address. How do I configure the virtual interface with a
different IP and connect to it via ssh or telnet?
eth0 Link encap:Ethernet HWaddr
00:09:6B:8C:D5:54
inet
addr:10.131.142.213 Bcast:10.131.142.255
Mask:255.255.255.128
inet6 addr: fe80::209:6bff:fe8c:d554/64
Scope:Link
UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX
packets:252681 errors:0 dropped:0 overruns:0
frame:0
TX
packets:1284 errors:0 dropped:0 overruns:0
carrier:0
collisions:4
txqueuelen:1000
RX
bytes:18191313 (17.3 MiB) TX bytes:183225 (178.9
KiB)
Interrupt:24
eth1 Link encap:Ethernet HWaddr
00:09:6B:8C:D5:55
BROADCAST MULTICAST MTU:1500
Metric:1
RX packets:0
errors:0 dropped:0 overruns:0
frame:0
TX packets:0
errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:1000
RX
bytes:0 (0.0 b) TX bytes:0 (0.0
b)
Interrupt:25
lo Link encap:Local
Loopback
inet
addr:127.0.0.1
Mask:255.0.0.0
inet6
addr: ::1/128
Scope:Host
UP LOOPBACK
RUNNING MTU:16436
Metric:1
RX
packets:3096 errors:0 dropped:0 overruns:0
frame:0
TX
packets:3096 errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:1824719 (1.7 MiB) TX bytes:1824719 (1.7 MiB)
sit0 Link
encap:IPv6-in-IPv4
NOARP MTU:1480
Metric:1
RX packets:0
errors:0 dropped:0 overruns:0
frame:0
TX packets:0
errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:0 (0.0 b) TX bytes:0 (0.0 b)
vif1.0 Link encap:Ethernet HWaddr
FE:FF:FF:FF:FF:FF
inet6 addr: fe80::fcff:ffff:feff:ffff/64
Scope:Link
UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:0
errors:0 dropped:0 overruns:0
frame:0
TX packets:0
errors:0 dropped:250606 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:0 (0.0 b) TX bytes:0 (0.0 b)
xen-br0 Link encap:Ethernet HWaddr
00:09:6B:8C:D5:54
inet
addr:10.131.142.213 Bcast:10.131.142.255
Mask:255.255.255.255
inet6 addr: fe80::200:ff:fe00:0/64
Scope:Link
UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX
packets:252211 errors:0 dropped:0 overruns:0
frame:0
TX
packets:1128 errors:0 dropped:0 overruns:0
carrier:0
collisions:0
txqueuelen:0
RX
bytes:13616114 (12.9 MiB) TX bytes:161560 (157.7
KiB)
I did the favor of making a new thread for
this...
Firstly. If you have not yet, http://www.fedoraproject.org/wiki/FedoraXenQuickstart
I
can tell you that even since FC4 was released, Xen has changed a lot.
Since the FC4 packages are reflecting the 3.0 development, using the Xen 2.0
user guide is not 100% accurate, I have tried. Also, it seems that the
latest FC release 1447 of Xen is noticably different than the 1398 release, as
some of the xm commands are different. Personally I would expect future
releases to do the same so I suggest test any upgrades on a staging
server.
About Network: As long as you have nics=1 in your
conf file for your domU, the network device should be available in your guest OS
as eth0. In Redhat-esque style, you would edit your network config in
/etc/sysconfig/. I just copied /etc/sysconfig/network* from another
machine, and did a
grep -rin "192.168.0.3" /etc/sysconfig/*
for the
IP of the machine I took the config from, and updated to the new IP for my
domU.
As far as installing OS other than FC4 inside of domU, I
have installed CentOS. Here are the steps I have used. I imagine you
can use this for any distro that uses Yum.
- Create my image (I use LVM, but you can use loopback), mke2fs -j to that
image
- Temporarily move /etc/yum.repos.d/* files out of that directory
- Copy Centos-Base.repo into /etc/yum.repos.d/
- Edit Centos-Base.repo to replace all the of variables with the values you
want. Yum can't install for a different releasever and basearch, so you
set these by hand in the repo file. You could also install from local
filesystem like DVD by using file:// instead of http in the repo file.
- Mount the image to /mnt/tmpdir
- yum --installroot=/mnt/tmpdir -y groupinstall Base
- Follow the rest of the steps in the Fedora Xen Howto for the rest.
I also have been running Gentoo 2005.0 which I moved over from
User-Mode-Linux.
Hope this helps.
Johnson, Michael wrote:
Hi,
Could you help me with a few Xen questions? It's basic stuff. I'm
looking at Xen for the first time. We have VMWare already up and
running and are happy with it but I was asked to look at Xen.
I installed FC4 from cd and chose to install everything, including Xen.
Following the Xen User's manual Xen v2.0 for x86 I have a dom0 setup and
created a second domain and called it rawhide.
Question,
How do I configure rawhide with an IP so I can either ssh or telnet to
it?
Have you installed other operating systems, i.e. RedHat EL3.0 to run in
a domain?
Thanks,
Mike
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Michael J.
Baysek
Sent: Wednesday, September 14, 2005 2:21 PM
To: Eric Brown
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] xm shutdown & xm destroy won't get rid of VM
I too have this problem:
# xm list
Name Id Mem(MB) CPU VCPU(s) State Time(s)
Domain-0 0 91 0 1 r---- 6753.9
lick 11 0 0 1 ----c 0.3
lick 11 0 0 1 ----c 0.3
lmon 4 255 0 1 -b--- 34997.5
lots 5 191 0 1 -b--- 5210.1
loud 6 511 0 1 ----- 6138.4
In my case this happened after I ran out of memory in the lick domU (no
swap was setup yet). The oom-killer hosed the domU. Even the console. So
I tried to destroy and start another. It was then that I did an xm list,
to my horror.
Eric Brown wrote:
I tried "xm shutdown" and then "xm destroy", my listing still shows:
$ xm list
Name Id Mem(MB) CPU State Time(s) Console Domain-0 0 156 0 r---- 766.2
asgtest0 9 0 3 -b--- 1.2 9609 debianarchive 15 255 1 -b--- 6.4 9615
What should i do to get rid of asgtest0?
Thanks!
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--
Michael J. Baysek
Systems Analyst
Carnegie Mellon University, Auton Lab
http://www.autonlab.org
mjbaysek@xxxxxxxxxx
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