Preparing VirtualBox images: Difference between revisions

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Start with a fresh Ubuntu 13.04 image, call the main user "browser".
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  apt-get install localepurge zerofree
  # I think we don't need these packages... saves around 300MB
  apt-get install alpine
  apt-get remove python3* linux-headers* aptitude man-db perl perl-modules geoip-database language-pack-gnome-en-base manpages ppp acpi iso-codes console-setup dmidecode eject ethtool initramfs-tools pciutils usbutils command-not-found alpine-doc python3.3-minimal apparmor
  # wanna remove more? show packages by size: dpkg-query --show --showformat='${Package;-50}\t${Installed-Size}\n' | sort -k 2 -n
  apt-get install apache2 mysql-server mysql-client
  # consolkit keeps / open which is annoying for zerofill, acpi-tools doesn't really need I hope
  sudo dpkg -r --force-depends consolekit
 
Now install the genome browser:
 
  wget http://hgwdev.soe.ucsc.edu/~max/gbInstall/ubuntu.sh
  sudo bash
  source ubuntu.sh
 
It's nice to have shared folders:
  sudo addgroup vboxsf
  sudo adduser browser vboxsf
  sudo wget http://hgwdev.soe.ucsc.edu/~max/gbInstall/rc.local -O /etc/rc.local
 
Once you're finished with everything ubuntu related, you can free 120 MB:
 
  sudo wget http://hgwdev.soe.ucsc.edu/~max/browserbox/cleanVm
  chmod a+x cleanVm
  sudo cleanVm
 
Now zero the disk image:
  sudo wget http://hgwdev.soe.ucsc.edu/~max/browserbox/zeroIt
  sudo chomod a+x zeroIt
  sudo ./zeroIt
 
To show the IP address on startup, only necessary in bridged mode:
 
  sudo wget http://hgwdev.soe.ucsc.edu/~max/gbInstall/show-ip-address -O /etc/network/if-up.d/show-ip-address
  sudo chmod a+x /etc/network/if-up.d/show-ip-address
 
Leave VirtualBox, shutdown the VM, go to a command line on the host, find the .VDI or VMDK file(s) and compact it:
 
  vboxmanage modifyhd –compact browserboxBoot.vdi
  vboxmanage modifyhd –compact browserboxData.vdi
 
* see [[http://ianozsvald.com/2012/07/26/using-zerofree-to-shrink-a-virtualbox-linux-image/ Shrink the disk]]
 
Have a quick look into the .vbox file and make sure that it doesn't list any iso images or other disk images that you attached once to the disk but don't need anymore. They trigger error messages on new host machines.
 
If you see one, get its UUID first:
  VBoxManage list hdds
  VBoxManage list dvd
 
The remove it:
  VBoxManage closemedium disk <paste uuid here>
or
  VBoxManage closemedium dvd <paste uuid here>
 
Most of the UUID/zipping business is now automated with a script, that runs on the host system:
  wget http://hgwdev.soe.ucsc.edu/~max/browserbox/cleanVm/packIt
  chmod a+x packIt
  ./packIt

Latest revision as of 20:38, 15 October 2014

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