[[PageOutline]]

 = Xen =
 * [https://help.ubuntu.com/community/Xen Xen - Community Ubuntu Documentation]
 * [http://blog.sibrof.net/ken/2008/05/12/769/ Xen – Ubuntu Hardy | Ken's blog]

 * [http://d.hatena.ne.jp/yuyarin/20090512/1242104908 Xen をインストールしたことのある Ubuntu で init 後に login プロンプトが表示されない - yuyarinの日記]
   * tail /var/log/syslog
{{{
Oct 26 06:40:10 noel init: tty1 main process (21344) terminated with status 1
Oct 26 06:40:10 noel init: tty1 main process ended, respawning
Oct 26 06:40:20 noel init: tty1 main process (21455) terminated with status 1
Oct 26 06:40:20 noel init: tty1 main process ended, respawning
Oct 26 06:40:30 noel init: tty1 main process (21456) terminated with status 1
Oct 26 06:40:30 noel init: tty1 main process ended, respawning
Oct 26 06:40:40 noel init: tty1 main process (21457) terminated with status 1
Oct 26 06:40:40 noel init: tty1 main process ended, respawning
}}}
   * => edit /etc/event.d/tty1 and system reboot
{{{
-exec /sbin/getty 38400 xvc0
+exec /sbin/getty 38400 tty1
}}}
   * see also [http://blog.o-x-t.com/2008/05/09/ttys-killed-on-ubuntu-hardy-heron-vps/ OXT blog » Blog Archive » tty’s killed on Ubuntu Hardy Heron VPS]

 = Xen with Ubuntu lucid =
 * https://help.ubuntu.com/community/Xen
  * Maverick Notes (Xen 4.0.1 pvops on Ubuntu 10.10)
  > The Xen packages that come with Ubuntu 10.10 ubuntu-xen-desktop and ubuntu-xen-server have broken dependencies. Therefore, we will have to download Xen source and build it.

 == force install ubuntu-xen-server ==
 * 結論としては「失敗」

 * $ sudo aptitude install -R ubuntu-xen-server
{{{
The following packages are BROKEN:
  ubuntu-xen-server
The following NEW packages will be installed:
  libc6-xen libsdl1.2debian{a} libsdl1.2debian-alsa{a} linux-generic-pae
  linux-image-2.6.32-27-generic-pae linux-image-generic-pae linux-server
  python-dev{a} python-xen-3.3 python2.6-dev{a} xen-docs-3.3
  xen-hypervisor-3.3 xen-utils-3.3
The following packages are RECOMMENDED but will NOT be installed:
  libc6-dev
0 packages upgraded, 14 newly installed, 0 to remove and 0 not upgraded.
Need to get 39.3MB/39.5MB of archives. After unpacking 120MB will be used.
The following packages have unmet dependencies:
  ubuntu-xen-server: Depends: xen-tools which is a virtual package.
The following actions will resolve these dependencies:

Keep the following packages at their current version:
ubuntu-xen-server [Not Installed]

Score is -9881

Accept this solution? [Y/n/q/?] Y
The following NEW packages will be installed:
  libc6-xen libsdl1.2debian{a} libsdl1.2debian-alsa{a} linux-generic-pae
  linux-image-2.6.32-27-generic-pae linux-image-generic-pae linux-server
  python-dev{a} python-xen-3.3 python2.6-dev{a} xen-docs-3.3
  xen-hypervisor-3.3 xen-utils-3.3
The following packages are RECOMMENDED but will NOT be installed:
  libc6-dev
0 packages upgraded, 13 newly installed, 0 to remove and 0 not upgraded.
Need to get 39.3MB/39.5MB of archives. After unpacking 120MB will be used.
Do you want to continue? [Y/n/?]

(snip)

Processing triggers for python-central ...
Setting up xen-utils-3.3 (3.3.0-1ubuntu11) ...
update-rc.d: warning: xend stop runlevel arguments (0 1 6) do not match LSB Default-Stop values (S 0 1 6)
grep: /proc/xen/capabilities: No such file or directory
update-rc.d: warning: xendomains start runlevel arguments (2 3 4 5) do not match LSB Default-Start values (3 4 5)
update-rc.d: warning: xendomains stop runlevel arguments (0 1 6) do not match LSB Default-Stop values (0 1 2 6)

(snip)
}}}

 * $ uname -a
{{{
Linux milly 2.6.32-27-generic-pae #49-Ubuntu SMP Thu Dec 2 00:07:52 UTC 2010 i686 GNU/Linux
}}}

 === cannot start xend ===
 * $ sudo service xend start
{{{
grep: /proc/xen/capabilities: No such file or directory
}}}

 * $ sudo vim /etc/fstab
{{{
xenfs /proc/xen xenfs defaults 0 0
}}}
 > An error occured while mounting /proc/xen

 === remove xen 3.3 ===
 * $ sudo aptitude remove -R \
{{{
>   libc6-xen libsdl1.2debian libsdl1.2debian-alsa linux-generic-pae\
>   linux-image-2.6.32-27-generic-pae linux-image-generic-pae linux-server\
>   python-dev python-xen-3.3 python2.6-dev xen-docs-3.3\
>   xen-hypervisor-3.3 xen-utils-3.3
}}}
{{{
The following packages will be REMOVED:
  libc6-xen libsdl1.2debian libsdl1.2debian-alsa linux-generic-pae
  linux-image-2.6.32-27-generic-pae linux-image-generic-pae linux-server
  python-dev python-xen-3.3 python2.6-dev xen-docs-3.3 xen-hypervisor-3.3
  xen-utils-3.3
0 packages upgraded, 0 newly installed, 13 to remove and 0 not upgraded.
}}}

 == build 4.0.1 from source ==
 * https://help.ubuntu.com/community/Xen
 > The packages are: gettext, bin86, bcc, libc6-dev-i386, iasl, texinfo, git, uuid-dev.
  * これだけでは十分ではない => [./log]
 * [http://ameblo.jp/digitallab/entry-10537497323.html Xen4.0 with Ubuntu 10.04 LTS Server Install｜Digital Lab]
  * コンパイルに必要なパッケージの取得。
  > #sudo apt-get install bcc bin86 gawk bridge-utils iproute libcurl3 libcurl4-openssl-dev bzip2 module-init-tools transfig tgif texinfo texlive-latex-base texlive-latex-recommended texlive-fonts-extra texlive-fonts-recommended pciutils-dev mercurial build-essential make gcc libc6-dev zlib1g-dev python python-dev python-twisted libncurses5-dev patch libvncserver-dev libsdl-dev libjpeg62-dev iasl libbz2-dev e2fslibs-dev git-core uuid-dev
  * イメージファイルを使うときは tap を有効にする。
{{{
Backend driver support (XEN_BACKEND) [Y/n/?] y
Block-device backend driver (XEN_BLKDEV_BACKEND) [Y/n/m/?] y
Block-device tap backend driver (XEN_BLKDEV_TAP) [N/m/y/?] (NEW) y
}}}