DEBOOTSTRAP
Section: Debian GNU/Linux manual (8)
Updated: 2001-04-27
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NAME
debootstrap - Bootstrap a basic Debian system
SYNOPSIS
debootstrap
[OPTION...]
SUITE TARGET
[MIRROR
[SCRIPT]]
debootstrap
[OPTION...]
--second-stage
DESCRIPTION
debootstrap
bootstraps a basic Debian system of
SUITE
into
TARGET
from
MIRROR
by running
SCRIPT.
MIRROR
can be an http:// URL, a file:/// URL, or an ssh:/// URL.
The
SUITE
may be a release code name (eg, sid, wheezy, squeeze, lenny)
or a symbolic name (eg, unstable, testing, stable, oldstable)
Notice that file:/ URLs are translated to file:/// (correct scheme as
described in RFC1738 for local filenames), and file:// will not work.
ssh://USER@HOST/PATH URLs are retrieved using
scp;
use of
ssh-agent
or similar is strongly recommended.
Debootstrap can be used to install Debian in a system without using an
installation disk but can also be used to run a different Debian flavor in a chroot
environment.
This way you can create a full (minimal) Debian installation which
can be used for testing purposes (see the EXAMPLES section).
If you are looking for a chroot system to build packages please take a look at
pbuilder.
OPTIONS
- --arch=ARCH
-
Set the target architecture (use if dpkg isn't installed).
See also --foreign.
-
- --include=alpha,beta
-
Comma separated list of packages which will be added to download and extract
lists.
-
- --exclude=alpha,beta
-
Comma separated list of packages which will be removed from download and
extract lists.
WARNING: you can and probably will exclude essential packages, be
careful using this option.
-
- --components=alpha,beta
-
Use packages from the listed components of the archive.
-
- --no-resolve-deps
-
By default, debootstrap will attempt to automatically resolve any missing
dependencies, warning if any are found.
Note that this is not a complete dependency resolve in the sense of dpkg
or apt, and that it is far better to specify the entire base system than
rely on this option.
With this option set, this behaviour is disabled.
-
- --variant=minbase|buildd|fakechroot|scratchbox
-
Name of the bootstrap script variant to use.
Currently, the variants supported are minbase, which only includes
essential packages and apt; buildd, which installs the build-essential
packages into
TARGET;
and fakechroot, which installs the packages without root privileges.
Finally there is variant scratchbox, which is for creating targets
for scratchbox usage.
The default, with no --variant=X argument, is to create a base
Debian installation in
TARGET.
-
- --keyring=KEYRING
-
Override the default keyring for the distribution being bootstrapped,
and use
KEYRING
to check signatures of retrieved Release files.
-
- --no-check-gpg
-
Disables checking gpg signatures of retrieved Release files.
-
- --verbose
-
Produce more info about downloading.
-
- --print-debs
-
Print the packages to be installed, and exit.
Note that a TARGET directory must be specified so debootstrap can
download Packages files to determine which packages should be installed,
and to resolve dependencies.
The TARGET directory will be deleted unless --keep-debootstrap-dir
is specified.
-
- --download-only
-
Download packages, but don't perform installation.
-
- --foreign
-
Do the initial unpack phase of bootstrapping only, for example if the
target architecture does not match the host architecture.
A copy of debootstrap sufficient for completing the bootstrap process
will be installed as /debootstrap/debootstrap in the target filesystem.
You can run it with the --second-stage option to complete the
bootstrapping process.
-
- --second-stage
-
Complete the bootstrapping process.
Other arguments are generally not needed.
-
- --second-stage-target=DIR
-
Run second stage in a subdirectory instead of root. (can be used to create
a foreign chroot) (requires --second-stage)
-
- --keep-debootstrap-dir
-
Don't delete the /debootstrap directory in the target after completing the
installation.
-
- --unpack-tarball=FILE
-
Acquire .debs from tarball FILE instead of downloading via http.
-
- --make-tarball=FILE
-
Instead of bootstrapping, make a tarball (written to FILE) of the downloaded
packages.
The resulting tarball may be passed to a later
--unpack-tarball.
-
- --debian-installer
-
Used for internal purposes by the debian-installer
-
- --extractor=TYPE
-
Override automatic .deb extractor selection to
TYPE.
Supported extractors are: dpkg-deb and ar.
-
- --no-check-certificate
-
Do not check certificate against certificate authorities
-
- --certificate=FILE
-
Use the client certificate stored in file (PEM)
-
- --private-key=FILE
-
Read the private key from file
EXAMPLES
To setup a wheezy system:
debootstrap wheezy ./wheezy-chroot http://ftp.us.debian.org/debian
debootstrap wheezy ./wheezy-chroot file:///LOCAL_MIRROR/debian
Full process to create a complete Debian installation of sid (unstable)
in a chroot:
main # debootstrap sid sid-root http://ftp.us.debian.org/debian/
[ ... watch it download the whole system ]
main # echo "proc sid-root/proc proc defaults 0 0" >> /etc/fstab
main # mount proc sid-root/proc -t proc
main # echo "sysfs sid-root/sys sysfs defaults 0 0" >> /etc/fstab
main # mount sysfs sid-root/sys -t sysfs
main # cp /etc/hosts sid-root/etc/hosts
main # chroot sid-root /bin/bash
AUTHOR
debootstrap
was written by Anthony Towns <ajt@debian.org>.
This manpage was written by Matt Kraai <kraai@debian.org>.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- EXAMPLES
-
- AUTHOR
-
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Time: 04:56:46 GMT, June 16, 2012