Thanks for the reply Jason. One concern of mine is the amount of memory that I have. I seem to remember you talking about a stripped down domU two meetings ago. Any tips? Or should I beg my manager for more memory?
Owen On Tue, Aug 29, 2006 at 03:22:33PM -0400, Jason Tower wrote: > xen would be perfect for your needs. your host OS (dom0 in xen terms) > should run fc5 as it is very easy to get xen running. you'll need > 128-256mb for the dom0 plus whatever ram you want to allocate to each guest > OS (domU in xen terms). > > the hardest part is setting up the root filesystem for the domU, for centos > you'd probably use yum with the --installroot=/some/path option (i think > that's right). you can either compile your own xenified centos kernel or > use a stock fc5 domU kernel (i do the latter with my ubuntu domUs and it > works fine). > > the default network mode is bridge, so each domU will get its own ip > address just like the dom0. there are also nat and route modes but > bridging is what 98% of people want. > > http://www.fedoraproject.org/wiki/FedoraXenQuickstart > > jason > > Owen Berry wrote: > >Some questions for those Xen and virtualization gurus out there. First, > >some background. I run Fedora Core 4 on my workstation, but a lot of > >what I develop ends up running on RHEL3/4 servers. Every now and then I > >have problems because of differences in Perl modules or packaging on the > >"production" machines. I suspect these problems will get worse over time > >as I'm "forced" to move to more recent versions of Fedora. > > > >I'm wondering if I could improve my lot by using Xen to setup CentOS > >virtual hosts on my development machine, to more closely replicate the > >production machines. Xen appeals to me over other VM techniques > >because of it's low overhead - I have a decent workstation but it's > >still single CPU and 512M ram. > > > >1) Is this something that Xen would be good for? > >2) Am I right in thinking that Xen would be a good virtualization > > choice? I have a VMWare license, but I'm thinking it'll take too much > > in the way of resources. > >3) Sometimes people need to access my web server. Will I be able to > > forward connections to a virtual machine, possibly using mod_proxy on > > Apache. Or is there a more seemless way to do this? Not sure how > > networking works in Xen, and assuming something similar to VMWare. > >4) I'm thinking it would be beneficial to upgrade from FC4 to FC5 before > > trying out Xen. Sound right? > > > >BTW, I don't really want to convert my workstation to running CentOS so > >please don't suggest it, unless you feel you have to. :-) > > > >TIA, > >Owen -- TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug TriLUG Organizational FAQ : http://trilug.org/faq/ TriLUG Member Services FAQ : http://members.trilug.org/services_faq/
