btrfs-tools-udeb software package provides Checksumming Copy on Write Filesystem utilities (udeb), you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install btrfs-tools-udeb
btrfs-tools-udeb is installed in your system.
Make ensure the btrfs-tools-udeb package were installed using the commands given below,
$ sudo dpkg-query -l | grep btrfs-tools-udeb *
You will get with btrfs-tools-udeb package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | debian-installer udeb packages |
| Package | btrfs-tools-udeb |
| Version | 0.19+20100601-3ubuntu3 |
| Description | Checksumming Copy on Write Filesystem utilities (udeb) |
| Sub Section | Debian-installer |