Before installing xen on the linux (centos or Redhat), please check the compatiblity. Then check whether the server has already installed xen. There packages should be checked. I checked using RPM.
.1 xenserver# rpm -qa |grep xen
xen-libs-3.1.0-13.el5
xen-3.1.0-13.el5
xenserver #rpm -qa |grep kernel-xen
kernel-xen-2.6.21-2950.el5
xenserver-dev #rpm –qa |fgrep virt-manager //for GUI
virt-manager-0.5.2-2.el5
Install :
1.
xenserver# yum install xen
xenserver # yum install kernel-xen
xenserver # yum install virt-manager
2. Edit default=1 in /boot/grub/grub.conf and make sure xen kernel will load.
3. Reboot system : [root@xenserver]# init 6
4. check kernel :
[root@xenserver]# uname -r
2.6.21-2950.el5xen
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To check if Xen is running use xm from command line:
[root@xensever]# xm list
Now you can create Xen virtual machines using Xen command lines or xen GUI (virt-manager):
[xenserver@ldev ~]# virt-manager
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