Hello,

My environment is "Xen3.1 in Fedora8" with "libvirt0.3 & python2.5". When I ran the following

commands as a non-root user "nimbus":

$python

>>> import libvirt

>>> libvirt.open("xen:///")

--------- Console ---------

[nimbus@localhost-120 ~]$ python

Python 2.5.1 (r251:54863, Oct 30 2007, 13:54:11)

[GCC 4.1.2 20070925 (Red Hat 4.1.2-33)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> import libvirt

>>> libvirt.open("xen:///")

Traceback (most recent call last):

File "<stdin>", line 1, in <module>

File "/usr/lib/python2.5/site-packages/libvirt.py", line 123, in open

if ret is None:raise libvirtError('virConnectOpen() failed')

libvirt.libvirtError: virConnectOpen() failed

>>>

I encountered the error "virConnectOpen() failed". if I changed the user into root, it worked well.

But I hava to use the non-root account "nimbus". I looked into the problem on the net, in order

that non-root user could use libvirt as root user, someone suggested that I should modify the libvirt

configuration file "/etc/libvirt/libvirtd.conf", but they didn't point out what field should be changed.

I am puzzled about that problem. I have already changed the sudo file and the xen configuration

file "/etc/xen/xend-config.sxp", which doesn't work at all. Could someome give me any tips?

--------- "/etc/xen/xend-config.sxp" ---------

(xend-http-server yes)

(xend-unix-server yes)

(network-script network-bridge)

Thanks in advance!

Cheers,

Shenglan Wang