Lab46 Wiki

• Install a new unformatted hard-drive into the server case.
• Power on the CPU

• At the Network Boot Menu select '32-bit (i386)' and press <Enter>.
• At the Lair i386 netboot Menu select 'Debia/i386 netboot' and press <Enter>.
• At the Debian/i386 Netboot menu select 'Install Squeeze/testing [text]' and press <Enter>.

1. At the Select a Language menu select 'English - English' and press <Enter>.
2. At the Select your location menu select 'United States' and press <Enter>.
3. In the Select a Keyboard Layout menu select 'American English' and press <Enter>.
4. When prompted to enter a Server Hostname press <Enter> for the default.

1. When prompted for a Domain Name verify that the default is “student.lab” and press <Enter>.
2. When prompted to choose a mirror site use the arrow keys to move to the top of the list and select 'enter information manually' then press <Enter>.
3. Enter the site name “mirror” and press <Enter>.
4. Press <Enter> to use the default.
5. Press <Enter> with the line blank to select no HTTP Proxy.

1. When prompted for the root password type “BoB” and press <Enter>.
2. Reenter “BoB” and press <Enter> to verify the root password.
3. Type the Full Name for your user account or “THE DOOR” and press <Enter>.
4. Type in the username for the new user or “tdoor” and press <Enter>.
5. Choose a password for the new user and press <Enter>.
6. Reenter the password and press <Enter> to verify.

1. Verify that the timezone highlighted is your timezone, if not use the arrow keys to select the correct timezone and press <Enter>.

• Use the arrow keys to select 'Guided - Use entire disk' and press <Enter>.
• When prompted to select disk to partition, select the appropriate disk (New disk you just installed) and press <Enter>.
• For the Partitioning Scheme use the arrow keys to select 'All files in one partition (recommended for new users)' and press <Enter>.
• Use the arrow keys to select 'Finish partitioning and write changes to disk' and press <Enter>.
• Confirm your selection by using the arrow keys to select '<Yes>' and press <Enter>.

• If and When the 'Red Screen of DOOM' appears, just use the arrow keys to select '<Continue>' and press <Enter>.

• Use the arrow keys and <Space Bar> to deselect all options.
  • Once none of the software packages have an '[*]' in front of them press <Enter>.

• Use the arrow keys to select '<Yes>' and press <Enter>.

• Select '<Continue>' using the arrow keys and press <Enter>.

• Once the system finishes it's reboot, you will be prompted to logon to the newly installed system.
• Enter the username you input during the installation and press <Enter>.
• Enter the password for the user account and press <Enter>.
• At the '$' prompt enter “su” and press <Enter>.
• Enter the root password selected at installatin and press <Enter>.
  • The prompt should now be '#'

1. Type “cd /etc/apt” and press <Enter>.
2. Type “mv sources.list sources.list.salv” and press <Enter>.
3. Type “wget http://web.offbyone.lan/files/student/sources.list” and press <Enter>.
4. Type “vi sources.list” and press <Enter>.
   • In the amazing VI Editor type “:%s/lenny/squeeze/g” and press <Enter>.
   • Still in the awe inspiring VI Editor typw “:x” and press <Enter>.

1. Back at the '#' prompt, type “apt -get update” and press <Enter>.
2. Type “aptitude upgrade” and press <Enter>.
3. Type “apt-get install vim” and press <Enter>.
   • When prompted to continue enter “Y” and press <Enter>.
4. Type “aptitude install xen-linux-system xen-tools” and press <Enter>.
   • When prompted to continue enter “Y” and press <Enter>.
5. Type “apt-get install ssh” and press <Enter>.
   • When prompted to continue enter “Y” and press <Enter>.
6. Type “aptitude install xen-hypervisior-4.0-i386” and press <Enter>.
   • When prompted to continue enter “Y” and press <Enter>.
7. Type “aptitude purge xen-hypervisor-4.0-amd64” and press <Enter>.

• Using an outside terminal within the lab logon to a terminal session.
• Log into the new VM server by typing “ssh root@vmserver02.student.lab” and press <Enter>.
• Enter the root password and press <Enter>.
• Type “vi /etc/xen/xend-config.sxp” and press <Enter>.
  1. In the elation instilling VI Editor type “/network-script” and press <Enter>.
  2. Press the <N> key untill you find '(network-script network-bridge)'
  3. Use the arrow keys to place the cursor over the '#' character and press <X><X> to uncomment the line.
  4. Type “:x” and press <Enter> to save and exit the Orgasmic VI Editor.
• Type “vi /etc/xen/scripts/vif-common.sh” and press <Enter>.
  1. In the endorphin simulating VI Editor, type “/frob_iptable()” and press <Enter>.
  2. Press the <I> key to enter insert mode (indicated in the lower left corner.)
  3. Within the frob_iptable function make two changes (as follows.)

The line:

   
    iptables "$c" FORWARD -m physdev --physdev-in "$vif" "$@" -j ACCEPT \
  
  

changes to:

  
    iptables "$c" FORWARD -m physdev --physdev-is-bridged --physdev-in "$vif" "$@" -j ACCEPT \
  

AND the line:

  
    --physdev-out "$vif" -j ACCEPT 2>/dev/null
  

changes to:

  
    --physdev-is-bridged --physdev-out "$vif" -j ACCEPT 2>/dev/null
  

Press the <Esc> key to exit insert mode.

• Type “:x” and press <Enter>.
• Type “vi /etc/modules” and press <Enter>.
  • Press <I> to enter insert mode in the Reality Altering VI Editor.

Change the lines:

    
    loop
    forcedeth max_interrupt_work=20 optimization_mode=1 poll_interval=100
    

into:

    
    loop max_loop=255
    #forcedeth max_interrupt_work=20 optimization_mode=1 poll_interval=100

and press <Esc> to exit insert mode.

• Type “:x” and press <Enter> to save and exit from the greatest editor you've ever used.
• Type “vi /etc/xen-tools/xen-tools.conf” and press <Enter> to once again be ushered into the enlightened presence of the VI Editor.
• Type “2000ddi” to clear the file and enter insert mode.
• Enter the following lines.

  #
  # /etc/xen-tools/xen-tools.conf
  #
  
  ##
  ## Virtual Machine configuration
  ##
  dir             = /xen
  install-method  = debootstrap
  
  ##
  ## Disk and Sizing options
  ##
  size            = 2Gb      # Disk image size.
  memory          = 128Mb    # Memory size
  swap            = 128Mb    # Swap size
  fs              = ext3     # use the EXT3 filesystem for the disk image.
  dist            = squeeze  # Default distribution to install.
  images          = full
  
  ##
  ## Network configuration
  ##
  dhcp            = 1
  gateway         = 10.80.3.1
  netmask         = 255.255.255.0
  
  ##
  ## Password configuration
  ##
  passwd          = 1
  
  ##
  ## Package Mirror configuration
  ##
  arch            = i386
  mirror          = http://mirror/debian/
  mirror_squeeze  = http://mirror/debian/
  
  ##
  ## Filesystem settings
  ##
  ext3_options    = noatime,nodiratime,errors=remount-ro
  ext2_options    = noatime,nodiratime,errors=remount-ro
  xfs_options     = defaults
  reiser_options  = defaults
  
  ##
  ## Xen VM boot settings
  ##
  pygrub          = 1
  
  ##
  ## Xen VM settings
  ##
  serial_device   = hvc0
  disk_device     = xvda
  
  ##
  ## Xen configuration files
  ##
  output          = /xen/conf
  extension       = .cfg

Then press <Esc> to exit insert mode.

• Type “:x” and press <Enter> to once again save and exit from the only editor who's children you'd like to have, the VI Editor.
• Type “vi /etc/default/grub” and press <Enter> to bathe in the life altering oozieness that is THE VI Editor.
• Type “33” and press <Enter><I>.

Enter the following at the end of the file:

  
  # Disable OS prober to prevent virtual machines on logical volumes from
  # appearing in the boot menu.
  GRUB_DISABLE_OS_PROBER=true
  

Then press <Esc> to leave insert mode.

• Once again type “:x” and press <Enter> to make your departure from the Pangeal Fracturing force that IS THE VI Editor.

1. Type “mv /etc/grub.d/10_linux /etc/grub.d/50_linux” and press <Enter>.
2. Type “update-grub2” and press <Enter>.
3. Type “vi /etc/default/xendomains” and press <Enter> and <I>.

Make the following changes:

  
  XENDOMAINS_SAVE=/var/lib/xen/save
  

gets changed to:

  
  XENDOMAINS_SAVE=""
  

Then change the XENDOMAINS_RESTORE line to:

  
  XENDOMAINS_RESTORE=false
  

Press the <Esc> key to exit insert mode.

• Type “:x” and press <Enter> to be torn from the bosom of the only editor you'd give your virginity to, THE VI Editor.

• Create directories
  1. Type “mkdir /xen” and press <Enter>.
  2. Type “mkdir /xen/images” and press <Enter>.
  3. Type “mkdir /xen/boot” and press <Enter>.
  4. Type “mkdir /xen/conf” and press <Enter>.
  5. Type “mkdir /xen/save” and press <Enter>.
• Type “shutdown -r now” and press <Enter> to reboot the system.

1. Wait for the system to reboot.
2. Login in again from the remots terminal by typing “ssh root@vmserver02.student.lab” and pressing <Enter>.
3. Enter the root password.
4. Confirm that there are no errors, and only one Virtual machine running by typing “xm list” and pressing <Enter>.

VM server is now installed and confirmed. Type “exit” and press <Enter> to logoff.