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doc: Update 'README'.

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* README: Update intro a bit.
(Installing Guix as non-root): Remove as it's largely outdated.
(Contact): Update.
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Ludovic Courtès 2019-09-04 21:18:11 +02:00
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README
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@ -10,8 +10,8 @@ It provides [[https://www.gnu.org/software/guile/][Guile]] Scheme APIs, includin
domain-specific languages (EDSLs) to describe how packages are to be domain-specific languages (EDSLs) to describe how packages are to be
built and composed. built and composed.
A user-land free software distribution for GNU/Linux comes as part of GNU Guix can be used on top of an already-installed GNU/Linux distribution, or
Guix. it can be used standalone (we call that “Guix System”).
Guix is based on the [[https://nixos.org/nix/][Nix]] package manager. Guix is based on the [[https://nixos.org/nix/][Nix]] package manager.
@ -75,37 +75,17 @@ the promise of a build; it is stored as a text file under
`derivation' primitive, as well as higher-level wrappers such as `derivation' primitive, as well as higher-level wrappers such as
`build-expression->derivation'. `build-expression->derivation'.
Guix does remote procedure calls (RPCs) to the Guix or Nix daemon (the Guix does remote procedure calls (RPCs) to the build daemon (the =guix-daemon=
=guix-daemon= or =nix-daemon= command), which in turn performs builds command), which in turn performs builds and accesses to the store on its
and accesses to the Nix store on its behalf. The RPCs are implemented behalf. The RPCs are implemented in the (guix store) module.
in the (guix store) module.
* Installing Guix as non-root
The Guix daemon allows software builds to be performed under alternate
user accounts, which are normally created specifically for this
purpose. For instance, you may have a pool of accounts in the
=guixbuild= group, and then you can instruct =guix-daemon= to use them
like this:
$ guix-daemon --build-users-group=guixbuild
However, unless it is run as root, =guix-daemon= cannot switch users.
In that case, it falls back to using a setuid-root helper program call
=nix-setuid-helper=. That program is not setuid-root by default when
you install it; instead you should run a command along these lines
(assuming Guix is installed under /usr/local):
# chown root.root /usr/local/libexec/nix-setuid-helper
# chmod 4755 /usr/local/libexec/nix-setuid-helper
* Contact * Contact
GNU Guix is hosted at https://savannah.gnu.org/projects/guix/. GNU Guix is hosted at https://savannah.gnu.org/projects/guix/.
Please email <bug-guix@gnu.org> for bug reports or questions regarding Please email <help-guix@gnu.org> for questions and <bug-guix@gnu.org> for bug
Guix and its distribution; email <gnu-system-discuss@gnu.org> for reports; email <gnu-system-discuss@gnu.org> for general issues regarding the
general issues regarding the GNU system. GNU system.
Join #guix on irc.freenode.net. Join #guix on irc.freenode.net.