Jonathan Riddell has proposed merging lp:~jr/ubuntu-packaging-guide/06-chroots into lp:ubuntu-packaging-guide with lp:~jr/ubuntu-packaging-guide/05-patches as a prerequisite.
Requested reviews: Ubuntu Packaging Guide Team (ubuntu-packaging-guide-team) For more details, see: https://code.launchpad.net/~jr/ubuntu-packaging-guide/06-chroots/+merge/68566 Add a brief chroot guide -- https://code.launchpad.net/~jr/ubuntu-packaging-guide/06-chroots/+merge/68566 Your team Ubuntu Packaging Guide Team is requested to review the proposed merge of lp:~jr/ubuntu-packaging-guide/06-chroots into lp:ubuntu-packaging-guide.
=== added file 'chroots.rst' --- chroots.rst 1970-01-01 00:00:00 +0000 +++ chroots.rst 2011-07-20 16:17:11 +0000 @@ -0,0 +1,53 @@ +============= +Using Chroots +============= + +If you are running one version of Ubuntu but working on packages for +another versions you can create the environment of the other version with a +``chroot``. + +A ``chroot`` allows you to have a full filesystem from another distribution +which you can work in quite normally. It avoids the overhead of running a +full virtual machine. + +Creating a Chroots +------------------ + +Use the command ``debootstrap`` to create a new chroot:: + + $ sudo debootstrap oneiric oneiric/ + +This will create a directory ``oneiric`` and install a minimal oneiric system +into it. + +If your version of ``debootstrap`` does not know about oneiric you can try +upgrading to the version in ``backports``. + +You can then work inside the chroot:: + + $ sudo chroot oneiric + +Where you can install or remove any package you wish without affecting your +main system. + +You might want to copy your GPG/ssh keys and Bazaar configuration into the +chroot so you can access and sign packages directly. + + $ sudo mkdir oneiric/home/<username> + $ sudo cp -r ~/.gnupg ~/.ssh ~/.bazaar oneiric/home/<username> + +For more information on chroots see our `Debootstrap Chroot wiki page`_. + +Alternatives +------------ + +Full virtual machines can be useful for packaging and testing programmes. + +You can also set up pbuilder to pause when it comes across a build failure. + +Amazon's `EC2 cloud computers`_ allow you to hire a computer paying a few US +cents per hour, you can set up Ubuntu machines of any supported version and +package on those. + +.. _`Debootstrap Chroot wiki page`: https://wiki.kubuntu.org/DebootstrapChroot +.. _`EC2 cloud computers`: https://help.ubuntu.com/community/EC2StartersGuide === modified file 'index.rst' --- index.rst 2011-07-20 16:17:11 +0000 +++ index.rst 2011-07-20 16:17:11 +0000 @@ -48,6 +48,7 @@ udd-merging udd-patchsys udd-newpackage + chroots traditional-packaging
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