At Sat, 5 Dec 2015 21:48:17 -0500 [email protected] wrote: > > On 04/12/2015 9:06 PM, Robert Heller wrote: > > At Fri, 4 Dec 2015 15:11:33 -0500 [email protected] wrote: > > > >> I am just using the KVM included in CentOS7 with Cloudstack. > >> Not sure what I am missing by not including Xen but I am pretty new at it. > > CentOS 5 predates KVM and used Xen for virtualization. CentOS 6 and 7 > > include > > KVM for virtualization and don't use a Xen hypervisor. You are not 'missing' > > anything: Xen is just the older virtualization hypervisor. > That is what I suspected. Thanks to the reassurance. > > > >> I can not help but believe that CentOS 7 would be a better platform for > >> virtualization than CentOS 5. > >> > >> CentOS 7 is not too bad but it is different and it has taken me a while > >> to stop fighting it. > > I don't want to take that step until I have learned to deal with the likes > > of > > systemd, etc. I install CentOS 6 as the host and install CentOS 7 in a VM, > > to > > have a standbox to learn in, and still be able to get work done. > Sounds like a good plan. > I just jumped in with a couple of spare physical machines to see if I > could get Centos 7 to production quality/use in key roles.
I don't have the spare hardware and cannot at this time afford to buy it. > I was able to build the systems and test them with the ability to drop > the old system back in if it did not work. I will be installing C6 on a 'spare' logical volume and leave the existing C5 system in place, creating a 'dual boot' system. I've done this before with the previous times I have migrated. I'll just be doing this much sooner than I had originally planned. > > >> The changes to networking and the firewall were hard to absorb. The new > >> way to manage processes is still a bit of a challenge for me but I am > >> not spending any time on this since it works just fine. > >> > >> I run a software firewall, DNS server and virtual router which I moved > >> from CentOS 4 to CentOS 7 and it seems to work better but it is hard to > >> tell if it is the newer hardware or the new OS. This is a critical part > >> of the infrastructure and I am happy with the change. > >> The hardware was too old to run the nouveau driver properly so I am > >> running the NVIDIA legacy driver. Works but I am not using it as a > >> workstation. > >> > >> > >> Ron > >> > >> On 04/12/2015 12:43 PM, Robert Heller wrote: > >>> At Fri, 4 Dec 2015 11:42:18 -0500 [email protected] wrote: > >>> > >>>> If you ready for some fun, CentOS 7 is out and into its third revision. > >>>> > >>>> Did I miss the discussion about the drivers from NVIDIA? I am using them > >>>> with new and old hardware(different machines). > >>>> A bit tricky to get working and there are different drivers for legacy > >>>> cards and newer cards. > >>> The drivers from NVIDIA are not supported for Xen-based systems. I am > >>> using > >>> Xen for virtualization, so the drivers from NVIDIA are not an option. > >>> Appearently the kernel and Xorg that sh > >>> > >>>> I had trouble with the nouveau driver but it may have been me or may > >>>> have been an early version. > >>> The nouveau driver is not available for CentOS 5 -- the kernel and Xorg > >>> libraries are too old. > >>> > >>>> CentOS 7 runs well but it does have a lot of changes to the tools that > >>>> one got used to in CentOS 5 and 6. > >>> *I* am not ready for that big a change. It would probably be too > >>> disruptive > >>> for my work flow. I *may* install CentOS 7 as a VM at some point. > >>> > >>>> It is supposed to be a better workstation OS. > >>>> > >>>> I am still running 5 and 6 on some production machines. > >>>> I am not using my units as workstations but like to have the GUI working > >>>> well in case I have some maintenance activities that are easier in the > >>>> GUI. > >>>> > >>>> Ron > >>>> > >>>> On 04/12/2015 10:30 AM, Robert Heller wrote: > >>>>> At Fri, 4 Dec 2015 12:32:59 +1000 Dave Airlie <[email protected]> wrote: > >>>>> > >>>>>> On 4 December 2015 at 12:27, Robert Heller <[email protected]> wrote: > >>>>>>> At Thu, 3 Dec 2015 16:27:22 -0500 Felix Miata <[email protected]> > >>>>>>> wrote: > >>>>>>> > >>>>>>>> Robert Heller composed on 2015-12-03 16:00 (UTC-0500): > >>>>>>>> > >>>>>>>>> I use a distro with long term support. > >>>>>>>> Not without a price. What you have is hardware technology that is > >>>>>>>> more > >>>>>>>> advanced than the foundation on which that support is built. A > >>>>>>>> GeForce 8200 > >>>>>>>> needs either the FOSS nouveau driver, which seems to be missing from > >>>>>>>> CentOS > >>>>>>>> 5, or the proprietary NVidia driver. VESA is a low technology > >>>>>>>> fallback driver > >>>>>>>> wholly incapable of properly supporting widescreen displays. AFAICT, > >>>>>>>> there's > >>>>>>>> no amount of xorg.conf or xrandr twiddling you can do to overcome the > >>>>>>>> shortcomings of a fallback driver. > >>>>>>> The video chipset has been working fine with the CentOS software, > >>>>>>> with a 4:3 > >>>>>>> monitor. The (available) proprietary NVidia driver won't work with a > >>>>>>> Xen > >>>>>>> kernel. > >>>>>> The graphics card BIOS contains the modes that vesa can use. It > >>>>>> doesn't have > >>>>>> widescreen modes in it. The below 3 choices are yours. > >>>>>> > >>>>>> CentOS6 should drive things better in theory. > >>>>> I guess I will have to upgade to CentOS 6... > >>>>> > >>>>>> Dave. > >>>>>>>>> *I* have better things to do than > >>>>>>>>> spend all of my time dealing with incompatible updates every few > >>>>>>>>> months. > >>>>>>>> You have 3 choices that I can see: > >>>>>>>> > >>>>>>>> 1-upgrade software to the technology level of your hardware (nouveau > >>>>>>>> driver, > >>>>>>>> likely requiring KMS kernel) > >>>>>>>> > >>>>>>>> 2-backlevel your video hardware (either supported gfxcard, or > >>>>>>>> supported 4:3 > >>>>>>>> or 5:4 aspect display) > >>>>>>>> > >>>>>>>> 3-suffer a standard aspect video mode on your widescreen display > >> > > -- Robert Heller -- 978-544-6933 Deepwoods Software -- Custom Software Services http://www.deepsoft.com/ -- Linux Administration Services [email protected] -- Webhosting Services _______________________________________________ [email protected]: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
