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[09 Jun 2008] Debian Installer lenny beta 2
[08 May 2008] Preparations for lenny beta 2 release are known to break some installation media from beta 1
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Installing with the Debian-Installer

For official Debian 4.0r4 installation media and information, see the etch page.

To install Debian testing, we recommend you use the lenny beta2 release of the installer, after checking its errata. The following images are available for lenny beta 2:

netinst (generally 135-175 MB) CD images
[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc]
businesscard (generally 20-50 MB) CD images
[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc]

full CD/DVD sets

CD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]
DVD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]

full CD/DVD sets (via bittorrent)

CD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]
DVD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]

full CD/DVD sets (via jigdo)

CD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]
DVD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]

other images (netboot, usb stick, floppy, etc)
[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390]

Or install the current weekly snapshot of Debian testing which uses the same version of the installer as the last release:

full CD/DVD sets

CD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source]
DVD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]

full CD/DVD sets (via bittorrent) — only sufficiently seeded images are listed

CD: [amd64] [i386]

full CD/DVD sets (via jigdo)

CD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source]
DVD:	[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc] [s390] [source] [multi-arch]

If you'd like something newer to help us test a future release of the installer, or because of hardware problems or other issues, try one of these daily built images which contain the latest available version of installer components.

netinst (generally 135-175 MB) and businesscard (generally 20-50 MB) CD images
[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc]
netinst and businesscard CD images (via jigdo)
[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [mips] [mipsel] [powerpc] [sparc]
multi-arch CD images
[iso images] [jigdo files]
other images (netboot, usb stick, floppy, etc)
[alpha] [amd64] [arm] [armel] [hppa] [i386] [ia64] [m68k] [mips] [mipsel] [powerpc] [s390] [sparc]

Notes

Before you download the daily built images, we suggest you check for known issues.
For CD and DVD images, a MD5SUMS file is available in the same directory as the images.
For downloading full CD and DVD images the use of bittorrent or jigdo is recommended.
The multi-arch CD images support i386/amd64/powerpc and alpha/hppa/ia64 respectively; the installation is similar to installing from a single architecture netinst image.
The multi-arch DVD image supports i386/amd64/powerpc; the installation is similar to installing from a single architecture full CD image; the DVD also includes the source for all included packages.
As m68k is currently not included in the testing suite, there are no weekly snapshots for m68k.

After using the Debian-Installer, please send us an installation report, even if there weren't any problems.

Documentation

If you read only one document before installing, read our Installation Howto, a quick walkthrough of the installation process. Other useful documentation includes:

Installation Guide: version for current beta release — development version
detailed installation instructions
Debian-Installer FAQ and Debian-CD FAQ
common questions and answers
Debian-Installer Wiki
community maintained documentation

Contacting us

The debian-boot mailing list is the main forum for discussion and work on Debian-Installer.

We also have an IRC channel, #debian-boot on irc.debian.org. This channel is used mainly for development, but occasionally for support. If you do not receive a response, try the mailing list instead.