Linux command can get the outputs easily also use that output for shell scripts or know the details,

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In case if you unable to login through ssh connection or you want to reset root password, can do update in single user mode on Xen virtualization,

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Security researchers has found the bug is VENOM, or Virtualized Environment Neglected Operations Manipulation, 'buffer overflow' vulnerability affecting the Floppy Disk Controller (FDC) emulation implemented in the QEMU component of the KVM/QEMU and Xen server.

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Default we can create a Linux Virtual Machine on Xen server in CentOS, Windows HVM also support on it. If you have already installed Xen server with LVM can create and run Windows virtual machine.

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If you are managing number of virtual machine in XEN kernel and want to reset the root password to any virtual machine can change the password in single user mode.

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Your server run in XEN kernel with cloudmin 7.7 GPL and you may getting the below error, when you creating new Virtual Machine,

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The Xen basic commands very helpful for manage virtual machine like, available RAM space, start, stop, pause, unpause and etc.

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