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82 lines
3.3 KiB
Plaintext
82 lines
3.3 KiB
Plaintext
###############################
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__ __ ____ ___
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\ \/ /___ _ __ |___ \ / _ \
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\ // _ \ '_ \ __) || | | |
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/ \ __/ | | | / __/ | |_| |
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/_/\_\___|_| |_| |_____(_)___/
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###############################
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University of Cambridge Computer Laboratory
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3 November 2004
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http://www.cl.cam.ac.uk/netos/xen/
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What is Xen?
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============
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Xen is a Virtual Machine Monitor (VMM) originally developed by the
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Systems Research Group of the University of Cambridge Computer
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Laboratory, as part of the UK-EPSRC funded XenoServers project.
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Xen is freely-distributable Open Source software, released under the
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GNU GPL.
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The 2.0 release offers excellent performance, hardware support and
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enterprise-grade features such as live migration. Linux 2.6, 2.4 and
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NetBSD 2.0 are already available for Xen, with more operating system
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ports on the way.
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This file contains some quick-start instructions to install Xen on
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your system. For full documentation, see the Xen User Manual. If this
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is a pre-built release then you can find the manual at:
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dist/install/usr/share/doc/xen/pdf/user.pdf
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If you have a source release, then 'make -C docs' will build the
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manual at docs/pdf/user.pdf.
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Quick-Start Guide - Pre-Built Binary Release
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============================================
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[NB. Unless noted otherwise, all the following steps should be
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performed with root privileges.]
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1. Install the binary distribution onto your filesystem:
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# sh ./install.sh
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Amongst other things, this will install Xen and XenLinux kernel
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files in /boot, kernel modules and Python packages in /lib, and
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various control tools in standard 'bin' directories.
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2. Configure your bootloader to boot Xen and an initial Linux virtual
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machine. Note that Xen currently only works with GRUB: less common
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alternatives such as LILO are *not* supported. You can most likely
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find your GRUB menu file at /boot/grub/menu.lst: edit this file to
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include an entry like the following:
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# title Xen 2.0 / XenLinux 2.6.9
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# kernel /boot/xen.gz dom0_mem=<mem-kb> console=vga
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# module /boot/vmlinuz-2.6.9-xen0 root=<root-dev> ro console=tty0
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For <mem-kb> you should specify the amount of memory, in kilobytes,
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to allocate for use by your initial XenLinux virtual machine. Note
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that Xen itself reserves about 32MB memory for internal use, which
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is not available for allocation to virtual machines.
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For <root-dev>, specify your usual root partition (e.g., /dev/hda1).
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3. Reboot your system and select the "Xen 2.0 / XenLinux 2.6.9" menu
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option. After booting Xen, XenLinux will start and your
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initialisation scripts should execute in the usual way.
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Quick-Start Guide - Source Release
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==================================
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First, there are a number of prerequisites for building a Xen source
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release. Make sure you have all the following installed, either by
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visiting the project webpage or installing a pre-built package
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provided by your Linux distributor:
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* GCC (preferably v3.2.x or v3.3.x; older versions are unsupported)
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* GNU Make
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* GNU Binutils
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* Development install of libcurl (e.g., libcurl-dev)
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* Development install of zlib (e.g., zlib-dev)
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* Development install of Python v2.2 or later (e.g., python-dev)
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[NB. Unless noted otherwise, all the following steps should be
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performed with root privileges.]
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