Re: [Xen-users] Unable to open a connection to the Xen hypervisor/daemon (installation XEN3.3.0 on CentOS5.2 x86_32 - RESOLVED)

["Eric Jansen" <janseneric@xxxxxxxxx>]

Hi Ross,

I did it! At last.... I have succeded the installation Xen3.3.0 on CentOS 5.2
This is the step:

- [CAUTION] : When installing CentOS do not install Xen or remove previous Xen.

INSTALLATION EXTENSIONS 
- yum install mercurial
- download the latest git (git-1.6.0.tar.gz), otherwise "make world" would fail
  wget http://www.kernel.org/pub/software/scm/git/git-1.6.0.1.tar.gz
  tar xzf git-1.6.0.1.tar.gz
  cd git-1.6.0.1
  make && sudo make install

INSTALLATION HYPERVISOR, TOOLS and KERNEL-XEN
- su (change to root mode)
- cd /usr/src
- There are 2 alternatives for downloading the Xen 3.3 (it's up to you which do you choose the 1st or the the 2nd)
   1. /usr/bin/hg clone http://xenbits.xensource.com/xen-3.3-testing.hg
   2. wget http://bits.xensource.com/oss-xen/release/3.3.0/xen-3.3.0.tar.gz
      tar xzf xen-3.3.0; cd xen-3.3.0
- make world (approximately > 60 minutes)
- make install
- Determine the name of the Xen Linux kernel version that was installed : ls /lib/modules
- /sbin/depmod 2.6.18.8-xen
- /sbin/mkinitrd /boot/initrd-2.6.18.8-xen.img 2.6.18.8-xen
- mv /lib/tls /lib/tls.disabled
- /sbin/chkconfig --add xend
- /sbin/chkconfig xend on
- yum install bridge-utils
- Edit /boot/grub/grub.conf :
  title CentOS 5.2 (2.6.18.8-xen)
  root (hd0,0)
  kernel /boot/xen-3.3.gz
  module /boot/vmlinuz-2.6.18.8-xen ro root=/dev/sda1 rhgb quiet
  module /boot/initrd-2.6.18.8-xen.img

REBOOT! Get into the new Xen 3.3 world!
- test the hypervisor, whether it works or not :
   sudo /usr/sbin/xm list

DONE!


-- 
Eric Jansen
CentOS Linuxer
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