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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 116 |
1 files changed, 81 insertions, 35 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 34d0bf32fa..d6148757fe 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -9328,12 +9328,20 @@ GuixSD in a virtual machine (VM). @subsection Preparing for Installation Once you have successfully booted your computer using the installation medium, -you should end up with a root prompt. Several console TTYs are configured -and can be used to run commands as root. TTY2 shows this documentation, -browsable using the Info reader commands (@pxref{Top,,, info-stnd, -Stand-alone GNU Info}). The installation system runs the GPM mouse -daemon, which allows you to select text with the left mouse button and -to paste it with the middle button. +you should end up with the welcome page of the graphical installer. The +graphical installer is a text-based user interface built upon the newt +library. It shall guide you through all the different steps needed to install +GNU GuixSD. However, as the graphical installer is still under heavy +development, you might want to fallback to the original, shell based install +process, by switching to TTYs 3 to 6 with the shortcuts CTRL-ALT-F[3-6]. The +following sections describe the installation procedure assuming you're using +one of those TTYs. They are configured and can be used to run commands as +root. + +TTY2 shows this documentation, browsable using the Info reader commands +(@pxref{Top,,, info-stnd, Stand-alone GNU Info}). The installation system +runs the GPM mouse daemon, which allows you to select text with the left mouse +button and to paste it with the middle button. @quotation Note Installation requires access to the Internet so that any missing @@ -9660,12 +9668,12 @@ unless your configuration specifies otherwise (@pxref{user-account-password, user account passwords}). @cindex upgrading GuixSD -From then on, you can update GuixSD whenever you want by running -@command{guix pull} as @code{root} (@pxref{Invoking guix pull}), and -then running @command{guix system reconfigure} to build a new system -generation with the latest packages and services (@pxref{Invoking guix -system}). We recommend doing that regularly so that your system -includes the latest security updates (@pxref{Security Updates}). +From then on, you can update GuixSD whenever you want by running @command{guix +pull} as @code{root} (@pxref{Invoking guix pull}), and then running +@command{guix system reconfigure /etc/config.scm}, as @code{root} too, to +build a new system generation with the latest packages and services +(@pxref{Invoking guix system}). We recommend doing that regularly so that +your system includes the latest security updates (@pxref{Security Updates}). Join us on @code{#guix} on the Freenode IRC network or on @email{guix-devel@@gnu.org} to share your experience---good or not so @@ -10848,7 +10856,9 @@ system, you will want to append services to @var{%base-services}, like this: @example -(cons* (avahi-service) (lsh-service) %base-services) +(cons* (service avahi-service-type) + (service openssh-service-type) + %base-services) @end example @end defvr @@ -12634,6 +12644,19 @@ This is a symbol specifying the logging level: @code{quiet}, @code{fatal}, @code{error}, @code{info}, @code{verbose}, @code{debug}, etc. See the man page for @file{sshd_config} for the full list of level names. +@item @code{extra-content} (default: @code{""}) +This field can be used to append arbitrary text to the configuration file. It +is especially useful for elaborate configurations that cannot be expressed +otherwise. This configuration, for example, would generally disable root +logins, but permit them from one specific IP address: + +@example +(openssh-configuration + (extra-content "\ +Match Address 192.168.0.1 + PermitRootLogin yes")) +@end example + @end table @end deftp @@ -12709,31 +12732,54 @@ browsers, from accessing Facebook. The @code{(gnu services avahi)} provides the following definition. -@deffn {Scheme Procedure} avahi-service [#:avahi @var{avahi}] @ - [#:host-name #f] [#:publish? #t] [#:ipv4? #t] @ - [#:ipv6? #t] [#:wide-area? #f] @ - [#:domains-to-browse '()] [#:debug? #f] -Return a service that runs @command{avahi-daemon}, a system-wide +@defvr {Scheme Variable} avahi-service-type +This is the service that runs @command{avahi-daemon}, a system-wide mDNS/DNS-SD responder that allows for service discovery and -"zero-configuration" host name lookups (see @uref{http://avahi.org/}), and -extends the name service cache daemon (nscd) so that it can resolve -@code{.local} host names using -@uref{http://0pointer.de/lennart/projects/nss-mdns/, nss-mdns}. Additionally, -add the @var{avahi} package to the system profile so that commands such as -@command{avahi-browse} are directly usable. - -If @var{host-name} is different from @code{#f}, use that as the host name to +``zero-configuration'' host name lookups (see @uref{http://avahi.org/}). +Its value must be a @code{zero-configuration} record---see below. + +This service extends the name service cache daemon (nscd) so that it can +resolve @code{.local} host names using +@uref{http://0pointer.de/lennart/projects/nss-mdns/, nss-mdns}. @xref{Name +Service Switch}, for information on host name resolution. + +Additionally, add the @var{avahi} package to the system profile so that +commands such as @command{avahi-browse} are directly usable. +@end defvr + +@deftp {Data Type} avahi-configuration +Data type representation the configuration for Avahi. + +@table @asis + +@item @code{host-name} (default: @code{#f}) +If different from @code{#f}, use that as the host name to publish for this machine; otherwise, use the machine's actual host name. -When @var{publish?} is true, publishing of host names and services is allowed; -in particular, avahi-daemon will publish the machine's host name and IP -address via mDNS on the local network. +@item @code{publish?} (default: @code{#t}) +When true, allow host names and services to be published (broadcast) over the +network. -When @var{wide-area?} is true, DNS-SD over unicast DNS is enabled. +@item @code{publish-workstation?} (default: @code{#t}) +When true, @command{avahi-daemon} publishes the machine's host name and IP +address via mDNS on the local network. To view the host names published on +your local network, you can run: -Boolean values @var{ipv4?} and @var{ipv6?} determine whether to use IPv4/IPv6 -sockets. -@end deffn +@example +avahi-browse _workstation._tcp +@end example + +@item @code{wide-area?} (default: @code{#f}) +When true, DNS-SD over unicast DNS is enabled. + +@item @code{ipv4?} (default: @code{#t}) +@itemx @code{ipv6?} (default: @code{#t}) +These fields determine whether to use IPv4/IPv6 sockets. + +@item @code{domains-to-browse} (default: @code{'()}) +This is a list of domains to browse. +@end table +@end deftp @deffn {Scheme Variable} openvswitch-service-type This is the type of the @uref{http://www.openvswitch.org, Open vSwitch} @@ -22339,8 +22385,8 @@ want is to have @code{.local} host lookup working. Note that, in this case, in addition to setting the @code{name-service-switch} of the @code{operating-system} declaration, -you also need to use @code{avahi-service} (@pxref{Networking Services, -@code{avahi-service}}), or @var{%desktop-services}, which includes it +you also need to use @code{avahi-service-type} (@pxref{Networking Services, +@code{avahi-service-type}}), or @var{%desktop-services}, which includes it (@pxref{Desktop Services}). Doing this makes @code{nss-mdns} accessible to the name service cache daemon (@pxref{Base Services, @code{nscd-service}}). |