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doc: Add section on installation from a binary tarball.

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* doc/guix.texi (Binary Installation): New section.
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Ludovic Courtès 2015-04-15 23:25:04 +02:00
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@ -236,20 +236,90 @@ manager, which can be done on top of a running GNU/Linux system. If,
instead, you want to install the complete GNU operating system,
@pxref{System Installation}.
The build procedure for Guix is the same as for other GNU software, and
is not covered here. Please see the files @file{README} and
@file{INSTALL} in the Guix source tree for additional details.
@menu
* Binary Installation:: Getting Guix running in no time!
* Requirements:: Software needed to build and run Guix.
* Running the Test Suite:: Testing Guix.
* Setting Up the Daemon:: Preparing the build daemon's environment.
* Invoking guix-daemon:: Running the build daemon.
@end menu
@node Binary Installation
@section Binary Installation
This section describes how to install Guix on an arbitrary system from a
self-contained tarball providing binaries for Guix and for all its
dependencies. This is often quicker than installing from source, which
is described in the next sections. The only requirement is to have
GNU@tie{}tar and Xz.
Installing goes along these lines:
@enumerate
@item
Download the binary tarball from
@code{ftp://alpha.gnu.org/gnu/guix/guix-binary-@value{VERSION}.@var{system}.tar.xz}@footnote{As
usual, make sure to download the associated @file{.sig} file and to
verify the authenticity of the tarball against it!}, where @var{system}
is @code{x86_64-linux} for an @code{x86_64} machine already running the
kernel Linux, and so on.
@item
As @code{root}, run:
@example
# cd /
# tar xf guix-binary-@value{VERSION}.@var{system}.tar.xz
@end example
This creates @file{/gnu/store} (@pxref{The Store}), @file{/var/guix},
and @file{/root/.guix-profile}. @file{/root/.guix-profile} is a
ready-to-use profile for @code{root} where Guix is installed.
@item
Setup the daemon as explained below (@pxref{Setting Up the Daemon}), and
run it:
@example
# /root/.guix-profile/bin/guix-daemon --build-users-group=guix-builder
@end example
@item
Make the @command{guix} command available to other users on the machine,
for instance with:
@example
# mkdir -p /usr/local/bin
# cd /usr/local/bin
# ln -s /root/.guix-profile/bin/guix
@end example
@end enumerate
And that's it!
There are two things to note. First, don't unpack the tarball on a
working Guix system since that would overwrite its own essential files.
Second, the @code{guix} package must remain available in @code{root}'s
profile, or it would become subject to garbage collection---in which
case you would find yourself badly handicapped by the lack of the
@command{guix} command.
The tarball in question can be (re)produced simply by running the
following command in the Guix source tree:
@example
make guix-binary.@var{system}.tar.xz
@end example
@node Requirements
@section Requirements
This section lists requirements when building Guix from source. The
build procedure for Guix is the same as for other GNU software, and is
not covered here. Please see the files @file{README} and @file{INSTALL}
in the Guix source tree for additional details.
GNU Guix depends on the following packages:
@itemize