PXE Ubuntu Live boot images on ASIMOV

NOTE 11 Mar 2013 I am moving the sections from See https://cs.uwaterloo.ca/twiki/view/CF/PXEBootFilesExample#Liveboot_and_Network_Installers to here

Resources

• PXEBootFilesExample
  • PXE Boot Server setup example
• PXELiveBoot
  • Ubuntu PXE Live Boot images - Automatic download and NFS Export update
• RIP
  • Recovery is Posible Linux/Windows repair disk
• CSApplicationServer
  • CSCF Application Server Documentation
• CSApplicationServerScripts
  • CSCF Application Server Scripts Documentation
• ImageDeploymentAcronis
  • Acronis Deployment Documentation
• ImageDeploymentGhost
  • Ghost Deployment Documentation

tftpbootiso service

• What: NFS exports, or unexports, any Live Boot Images in /tftpboot/pxes/iso
  • Modifies /etc/exports and uses exportfs to refresh the NFS
• Usage: /etc/init.d/tftpbootiso [start|stop|restart|status]
• This service automatically scans /tftpboot/pxes/iso for Ubuntu Desktop images

tftpbootiso installation from this page

• • Download: tftpbootiso
  • cp -p tftpbootiso /etc/init.d/tftpbootiso
  • chmod 755 /etc/init.d/tftpbootiso
  • update-rc.d tftpbootiso defaults 30 80

tftpbootiso installation from ASIMOV

• Location: /home/cscf-adm/src/tftpbootiso.rc
• Install:
  • sudo bash
  • cd /home/cscf-adm/src
  • make install
    • Note: this installs the service as /etc/init.d/tftpbootiso

tftpbootiso usage

• Usage:
  • /etc/init.d/tftpbootiso start - mounts and exports all Ubuntu Desktop Live images from /tftpboot/pxes/iso
  • /etc/init.d/tftpbootiso stop - umount and unexports all Ubuntu Desktop Live images
  • /etc/init.d/tftpbootiso status - Display Ubuntu Desktop Live images mount and export status
  • /etc/init.d/tftpbootiso restart - stop and start actions

• Example output:

NFS export: /tftpboot/pxes/iso/raring-desktop-amd64+mac 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)
NFS export: /tftpboot/pxes/iso/raring-desktop-amd64 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)
NFS export: /tftpboot/pxes/iso/raring-desktop-i386 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)
NFS export: /tftpboot/pxes/iso/ubuntu-12.04-desktop-amd64 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)
NFS export: /tftpboot/pxes/iso/ubuntu-12.04-desktop-i386 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)
NFS export: /tftpboot/pxes/iso/ubuntu-12.10-desktop-amd64 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)
NFS export: /tftpboot/pxes/iso/ubuntu-12.10-desktop-i386 192.168.1.1/24(ro,sync,no_subtree_check,no_root_squash)

get_iso_daily

• Location: /home/cscf-adm/scripts/get_iso_daily
• What: Downloads Daily ISO snapshots of Ubuntu and updates PXE Live Boot Images
  • Site: http://cdimage.ubuntu.com/daily-live/current/
• Download: get_daily_iso
• Usage: /home/cscf-adm/scripts/get_daily_iso
  • Calls /etc/init.d/tftpbootiso restart after downloads to refresh NFS
• Example output:

=====================================
Fetching raring from http://cdimage.ubuntu.com/daily-live/current/
Daily Release Title:      Ubuntu 13.04 (Raring Ringtail) Daily Build
Daily Release Name:       Raring Ringtail
Daily Release short name: raring
Start: Fri Mar 8 10:07:07 EST 2013
=====================================
=====================================
Fetching raring-desktop-amd64.iso from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64.iso
Fetching raring-desktop-amd64.list from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64.list
Fetching raring-desktop-amd64.manifest from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64.manifest
Fetching raring-desktop-amd64.metalink from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64.metalink
Copy raring-desktop-amd64.iso over to liveboot area on ASIMOV
rsync -au raring-desktop-amd64.iso /tftpboot/pxes/iso
=====================================
Fetching raring-desktop-i386.iso from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-i386.iso
Fetching raring-desktop-i386.list from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-i386.list
Fetching raring-desktop-i386.manifest from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-i386.manifest
Fetching raring-desktop-i386.metalink from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-i386.metalink
Copy raring-desktop-i386.iso over to liveboot area on ASIMOV
rsync -au raring-desktop-i386.iso /tftpboot/pxes/iso
=====================================
Fetching raring-desktop-amd64+mac.iso from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64+mac.iso
Fetching raring-desktop-amd64+mac.list from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64+mac.list
Fetching raring-desktop-amd64+mac.manifest from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64+mac.manifest
Fetching raring-desktop-amd64+mac.metalink from http://cdimage.ubuntu.com/daily-live/current/
wget -q -nH -N http://cdimage.ubuntu.com/daily-live/current//raring-desktop-amd64+mac.metalink
Copy raring-desktop-amd64+mac.iso over to liveboot area on ASIMOV
rsync -au raring-desktop-amd64+mac.iso /tftpboot/pxes/iso
=====================================
End: Fri Mar  8 10:23:21 EST 2013
=====================================

(NFS remount deleted - see tftpbootiso example)

update_iso_nfs_pxe

update_iso_nfs_pxe

• Location: /home/cscf-adm/scripts/update_iso_nfs_pxe
• What: Does the following 4 tasks
  1. ) Gets Ubuntu Daily ISO Release * /tftpboot/pxes/get_daily_iso
  2. ) Remounts ISO images: * service mount_cds restart
  3. ) Rebuilds PXE boot loaders for all Ubuntu ISO images * /tftpboot/pxes/mk_ubuntu
  4. ) Send Email on Failure

Files

• get_daily_iso: Download Daily ISO Snapshots of Ubuntu
• tftpbootiso: tftpbootiso - export and mount live Ubuntu images via NFS