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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 84 |
1 files changed, 58 insertions, 26 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ef5f68db24..0b8460a6fe 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -77,6 +77,7 @@ Copyright @copyright{} 2020 Jakub Kądziołka@* Copyright @copyright{} 2020 Jack Hill@* Copyright @copyright{} 2020 Naga Malleswari@* Copyright @copyright{} 2020 Brice Waegeneire@* +Copyright @copyright{} 2020 R Veera Kumar@* Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or @@ -547,7 +548,14 @@ We recommend the use of this @uref{https://git.savannah.gnu.org/cgit/guix.git/plain/etc/guix-install.sh, shell installer script}. The script automates the download, installation, and initial configuration steps described below. It should be run as the root -user. +user. As root, you can thus run this: + +@example +cd /tmp +wget https://git.savannah.gnu.org/cgit/guix.git/plain/etc/guix-install.sh +chmod +x guix-install.sh +./guix-install.sh +@end example @end quotation Installing goes along these lines: @@ -651,7 +659,7 @@ with these commands: @example # cp ~root/.config/guix/current/lib/systemd/system/guix-daemon.service \ /etc/systemd/system/ -# systemctl start guix-daemon && systemctl enable guix-daemon +# systemctl enable --now guix-daemon @end example If your host distro uses the Upstart init system: @@ -2823,6 +2831,15 @@ in the root of their project source tree that can be used to test development snapshots and create reproducible development environments (@pxref{Invoking guix environment}). +The @var{file} may also contain a JSON representation of one or more +package definitions. Running @code{guix package -f} on +@file{hello.json} with the following contents would result in installing +the package @code{greeter} after building @code{myhello}: + +@example +@verbatiminclude package-hello.json +@end example + @item --remove=@var{package} @dots{} @itemx -r @var{package} @dots{} Remove the specified @var{package}s. @@ -4616,8 +4633,8 @@ served by @code{@value{SUBSTITUTE-SERVER}} to @file{/tmp/emacs}: @example $ wget -O - \ - https://@value{SUBSTITUTE-SERVER}/nar/@dots{}-emacs-24.5 \ - | bunzip2 | guix archive -x /tmp/emacs + https://@value{SUBSTITUTE-SERVER}/nar/gzip/@dots{}-emacs-24.5 \ + | gunzip | guix archive -x /tmp/emacs @end example Single-item archives are different from multiple-item archives produced @@ -4627,7 +4644,8 @@ and they do @emph{not} embed a signature. Thus this operation does unsafe. The primary purpose of this operation is to facilitate inspection of -archive contents coming from possibly untrusted substitute servers. +archive contents coming from possibly untrusted substitute servers +(@pxref{Invoking guix challenge}). @item --list @itemx -t @@ -5807,7 +5825,7 @@ or a list of such values. @item @code{home-page} The URL to the home-page of the package, as a string. -@item @code{supported-systems} (default: @var{%supported-systems}) +@item @code{supported-systems} (default: @code{%supported-systems}) The list of systems supported by the package, as strings of the form @code{architecture-kernel}, for example @code{"x86_64-linux"}. @@ -6171,7 +6189,6 @@ if they are defined by the crate. @defvr {Scheme Variable} copy-build-system -@cindex (copy build system) This variable is exported by @code{(guix build-system copy)}. It supports builds of simple packages that don't require much compiling, mostly just moving files around. @@ -7371,7 +7388,7 @@ increments the current state value: @result{} 3 @end lisp -When ``run'' through @var{%state-monad}, we obtain that additional state +When ``run'' through @code{%state-monad}, we obtain that additional state value, which is the number of @code{square} calls. @end defvr @@ -7403,7 +7420,7 @@ The main interface to the store monad, provided by the @code{(guix store)} module, is as follows. @defvr {Scheme Variable} %store-monad -The store monad---an alias for @var{%state-monad}. +The store monad---an alias for @code{%state-monad}. Values in the store monad encapsulate accesses to the store. When its effect is needed, a value of the store monad must be ``evaluated'' by @@ -7764,7 +7781,7 @@ information about monads.) [#:system (%current-system)] [#:target #f] [#:graft? #t] @ [#:hash #f] [#:hash-algo #f] @ [#:recursive? #f] [#:env-vars '()] [#:modules '()] @ - [#:module-path @var{%load-path}] @ + [#:module-path @code{%load-path}] @ [#:effective-version "2.2"] @ [#:references-graphs #f] [#:allowed-references #f] @ [#:disallowed-references #f] @ @@ -8068,7 +8085,7 @@ item. This is achieved using the @code{lower-object} monadic procedure. @deffn {Monadic Procedure} lower-object @var{obj} [@var{system}] @ [#:target #f] -Return as a value in @var{%store-monad} the derivation or store item +Return as a value in @code{%store-monad} the derivation or store item corresponding to @var{obj} for @var{system}, cross-compiling for @var{target} if @var{target} is true. @var{obj} must be an object that has an associated gexp compiler, such as a @code{<package>}. @@ -8550,6 +8567,15 @@ As an example, @var{file} might contain a package definition like this @include package-hello.scm @end lisp +The @var{file} may also contain a JSON representation of one or more +package definitions. Running @code{guix build -f} on @file{hello.json} +with the following contents would result in building the packages +@code{myhello} and @code{greeter}: + +@example +@verbatiminclude package-hello.json +@end example + @item --manifest=@var{manifest} @itemx -m @var{manifest} Build all packages listed in the given @var{manifest} @@ -10555,8 +10581,8 @@ Alternately, we can do something along these lines (@pxref{Invoking guix archive}): @example -$ wget -q -O - https://@value{SUBSTITUTE-SERVER}/nar/@dots{}-git-2.5.0 \ - | guix archive -x /tmp/git +$ wget -q -O - https://@value{SUBSTITUTE-SERVER}/nar/lzip/@dots{}-git-2.5.0 \ + | lzip -d | guix archive -x /tmp/git $ diff -ur --no-dereference /gnu/store/@dots{}-git.2.5.0 /tmp/git @end example @@ -11234,7 +11260,7 @@ By that, we mean all the global system configuration, not per-user configuration (@pxref{Using the Configuration System}). @table @asis -@item @code{kernel} (default: @var{linux-libre}) +@item @code{kernel} (default: @code{linux-libre}) The package object of the operating system kernel to use@footnote{Currently only the Linux-libre kernel is supported. In the future, it will be possible to use the GNU@tie{}Hurd.}. @@ -11391,11 +11417,11 @@ As a user you should @emph{never} need to touch this field. Linux @dfn{pluggable authentication module} (PAM) services. @c FIXME: Add xref to PAM services section. -@item @code{setuid-programs} (default: @var{%setuid-programs}) +@item @code{setuid-programs} (default: @code{%setuid-programs}) List of string-valued G-expressions denoting setuid programs. @xref{Setuid Programs}. -@item @code{sudoers-file} (default: @var{%sudoers-specification}) +@item @code{sudoers-file} (default: @code{%sudoers-specification}) @cindex sudoers file The contents of the @file{/etc/sudoers} file as a file-like object (@pxref{G-Expressions, @code{local-file} and @code{plain-file}}). @@ -11561,7 +11587,7 @@ variables. @defvr {Scheme Variable} %base-file-systems These are essential file systems that are required on normal systems, -such as @var{%pseudo-terminal-file-system} and @var{%immutable-store} (see +such as @code{%pseudo-terminal-file-system} and @code{%immutable-store} (see below.) Operating system declarations should always contain at least these. @end defvr @@ -12628,7 +12654,7 @@ and caches. @defvr {Scheme Variable} %nscd-default-configuration This is the default @code{<nscd-configuration>} value (see below) used by @code{nscd-service}. It uses the caches defined by -@var{%nscd-default-caches}; see below. +@code{%nscd-default-caches}; see below. @end defvr @deftp {Data Type} nscd-configuration @@ -12653,7 +12679,7 @@ Name of the nscd log file. This is where debugging output goes when Integer denoting the debugging levels. Higher numbers mean that more debugging output is logged. -@item @code{caches} (default: @var{%nscd-default-caches}) +@item @code{caches} (default: @code{%nscd-default-caches}) List of @code{<nscd-cache>} objects denoting things to be cached; see below. @@ -12925,7 +12951,7 @@ well as in the @var{groups} field of the @var{operating-system} record. @end lisp @defvr {Scheme Variable} urandom-seed-service-type -Save some entropy in @var{%random-seed-file} to seed @file{/dev/urandom} +Save some entropy in @code{%random-seed-file} to seed @file{/dev/urandom} when rebooting. It also tries to seed @file{/dev/urandom} from @file{/dev/hwrng} while booting, if @file{/dev/hwrng} exists and is readable. @@ -13304,7 +13330,7 @@ Either @code{#f} or a gexp to execute once the rotation has completed. @end deftp @defvr {Scheme Variable} %default-rotations -Specifies weekly rotation of @var{%rotated-files} and of +Specifies weekly rotation of @code{%rotated-files} and of @file{/var/log/guix-daemon.log}. @end defvr @@ -13764,7 +13790,7 @@ clock synchronized with that of the given servers. @defvr {Scheme Variable} %openntpd-servers This variable is a list of the server addresses defined in -@var{%ntp-servers}. +@code{%ntp-servers}. @end defvr @deftp {Data Type} openntpd-configuration @@ -13782,7 +13808,7 @@ See @uref{https://man.openbsd.org/ntpd.conf, upstream documentation} for more information. @item @code{server} (default: @code{'()}) Specify a list of IP addresses or hostnames of NTP servers to synchronize to. -@item @code{servers} (default: @var{%openntp-servers}) +@item @code{servers} (default: @code{%openntp-servers}) Specify a list of IP addresses or hostnames of NTP pools to synchronize to. @item @code{constraint-from} (default: @code{'()}) @code{ntpd} can be configured to query the ‘Date’ from trusted HTTPS servers via TLS. @@ -25634,6 +25660,11 @@ If true, this must be the name of a file to log messages to. @cindex dictionary The @code{(gnu services dict)} module provides the following service: +@defvr {Scheme Variable} dicod-service-type +This is the type of the service that runs the @command{dicod} daemon, an +implementation of DICT server (@pxref{Dicod,,, dico, GNU Dico Manual}). +@end defvr + @deffn {Scheme Procedure} dicod-service [#:config (dicod-configuration)] Return a service that runs the @command{dicod} daemon, an implementation of DICT server (@pxref{Dicod,,, dico, GNU Dico Manual}). @@ -27086,8 +27117,8 @@ evaluates to. As an example, @var{file} might contain a definition like this: The file should evaluate to a list of @var{machine} objects. This example, upon being deployed, will create a new generation on the remote system -realizing the @code{operating-system} declaration @var{%system}. -@var{environment} and @var{configuration} specify how the machine should be +realizing the @code{operating-system} declaration @code{%system}. +@code{environment} and @code{configuration} specify how the machine should be provisioned---that is, how the computing resources should be created and managed. The above example does not create any resources, as a @code{'managed-host} is a machine that is already running the Guix system and @@ -27229,7 +27260,8 @@ This image boots the Xfce graphical environment and it contains some commonly-used tools. You can install more software in the image by running @command{guix package} in a terminal (@pxref{Invoking guix package}). You can also reconfigure the system based on its initial configuration file available -as @file{/etc/config.scm} (@pxref{Using the Configuration System}). +as @file{/run/current-system/configuration.scm} (@pxref{Using the +Configuration System}). Instead of using this pre-built image, one can also build their own virtual machine image using @command{guix system vm-image} (@pxref{Invoking guix |