Re: [Xen-users] vfb in PV

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

jim burns wrote:
> On Sunday 09 March 2008 06:14:01 am Nikhil Talpallikar wrote:
>   
> > I tried to install vnc using the rpm vnc-4.1.2-9.fc6.src.rpm. i got the
> > following error.
> >
> > [root@fc6_pristine /]# rpm -ivh vnc-4.1.2-9.fc6.src.rpm
> > error: cannot create %sourcedir /usr/src/redhat/SOURCES
> > [root@fc6_pristine /]#
> >
> >
> > how do i install vnc and X11 components to this PVM?
> >     
> I doubt you really want to be compiling packages from scratch. You get that 
> error the first time you try to install a .src.rpm (source code rpm). If 
> that's really what you want to do, you need to create the directories:
> /usr/src/redhat
> /usr/src/redhat/SOURCES
> /usr/src/redhat/SPECS
> /usr/src/redhat/RPMS
> /usr/src/redhat/RPMS/i586
> /usr/src/redhat/RPMS/noarch
> /usr/src/redhat/RPMS/athlon
> /usr/src/redhat/RPMS/i486
> /usr/src/redhat/RPMS/i686
> /usr/src/redhat/RPMS/i386
> /usr/src/redhat/BUILD
> /usr/src/redhat/SRPMS
>
> But more likely, you want the binary rpm. Change your download path from, eg:
>
> http://download.fedora.redhat.com/pub/fedora/linux/core/updates/6/SRPMS/vnc-4.1.2-9.fc6.src.rpm
>
> to:
>
> http://download.fedora.redhat.com/pub/fedora/linux/core/updates/6/i386/vnc-4.1.2-9.fc6.i386.rpm
>
> or better still, upgrade to fc8.
>
> Now, vnc goes on the machine you are connecting to the guest from. It could be 
> dom0 (and has to be by default, unless you specify a vnclisten='0.0.0.0' parm 
> in your guest's config), or it could go on any (fedora) pc on your network.
> In the guest, assuming it is also fedora, you *could* install vnc-server, but 
> it's easier to use xen's builtin vnc server (xen-vncfb on fc6/fc7, qemu-dm on 
> fc8). You connect thru dom0's ip address. Assuming your vnc related parms in 
> your guest's config look like:
> vnc=1
> vnclisten="0.0.0.0"
> vncdisplay=10
> #vncunused=1
> vncconsole=1
> vncpasswd=""
> keymap='en-us'
>
> you would connect (on dom0) with 'vncviewer :10', or on another client 
> with 'vncviewer dom0-ip:10'. Make sure port 10 (actually, 5900 + 10) is not 
> in use by any other guest or server on dom0, or you could comment out 
> vncdisplay, and uncomment vncunused to allow xen's vnc component to pick the 
> first unsused vnc port #. On fc8/modern xen versions, the syntax is a little 
> different:
> vfb=[ 'type=vnc, keymap=en-us, vnclisten=0.0.0.0, vncunused=1' ]
>   
No, he needs to do several things:

* Install the rpmbuild package, so he can build these things.
* Do a "yum install /usr/src/redhat" in order to get these form the RPM 
that contains them, instead of randomly creating things manually.
* Preferably set up a ".rpmmacros" that will allow him to compile things 
personally, as a local user, instead of in /usr/src and requiring root 
privileges.
Now, me? I like to set up "mock" to get a clean build environment for 
this sort of stunt. I'm happy to send notes about this if desired.
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