4th week and some issues

  Today, I had informal conversation with Dr. Parimala. We still talked about the process.

  There is a list with some details of several tries that I did to install Xen onto my linuxes:

CentOS:
        5.5/ 5.6 can work(need to start xend service manually very often and re-compile the source code often for unknown reason ).
5.7 cannot work

Ubuntu:
        9.04 can work(crashes very often), but a lot of issues that have to figure out before we can actually put it to a local network.

10.04 can work, the kernel still does not support the Xen, everything has to be done manually. During that, a lot of unknown issues may happen such like: service of Xend cannot start; version of grub has to be downgrade to 1.0; 32-bit version of system needs much more work to compile the kernel.

11.04 can install Xen(xend cannot start), almost all the work of installation of Xen can be automatically done by the Synatic Software Centre, and from this version of Ubuntu, it's kernel starts to support Xen again(Version 3), and the workload to installing it to 32-bit system only needs an extra package. Afterthat, the problem occurs during edit the ~/boot/grub/grub.cfg. The modulo of Xen and Xend is there however it still cannot restart with the linux-xen kernel.Furthermore, even I went into menu.lst, and made the Xend-Sever on, the samething.
Also, I tried Ubuntus that use Wubi for installation, which turned out not to be successful in the end. And those issues may be that, this form of installation will not boot up the linux kernel in the bottom. The linux is located upon Dos and Xen kernel needs to be located between hardware and OS.

   Finally, I managed to get it working on Ubuntu 10.04(version of Xen is 4.01). I can have one vitual machine working under it. However, after I shun down my laptop, I cannot start my laptop again. From the final perspective, I failed due to some unkown issues then.
   Here is some of my assumption on that:
   I have multi-OS's installed in my laptop, some are windows and the rest are Linuxes. For details, if Ubuntu will be installed after Windows, then it should use another loader to replace Grub. However, working with Xen, we have no choice so far but using Grub. So after Xen is installed and editing grub files, it will not help for loading up the system, but bringing issues.
   To add it, the possible solution for it so far may be that: make the workstation(the laptop/desktop) installed a Linux version as the only OS in the hard disk. And there may be possible unknown solutions for the Linux that installed by Wubi.