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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 289 |
1 files changed, 160 insertions, 129 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 9914829b2b..1535fb9f93 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -344,7 +344,8 @@ Services * Base Services:: Essential system services. * Scheduled Job Execution:: The mcron service. * Log Rotation:: The rottlog service. -* Networking Services:: Network setup, SSH daemon, etc. +* Networking Setup:: Setting up network interfaces. +* Networking Services:: Firewall, SSH daemon, etc. * Unattended Upgrades:: Automated system upgrades. * X Window:: Graphical display. * Printing Services:: Local and remote printer support. @@ -15606,7 +15607,8 @@ declaration. * Base Services:: Essential system services. * Scheduled Job Execution:: The mcron service. * Log Rotation:: The rottlog service. -* Networking Services:: Network setup, SSH daemon, etc. +* Networking Setup:: Setting up network interfaces. +* Networking Services:: Firewall, SSH daemon, etc. * Unattended Upgrades:: Automated system upgrades. * X Window:: Graphical display. * Printing Services:: Local and remote printer support. @@ -16828,63 +16830,26 @@ The list of syslog-controlled files to be rotated. By default it is: "/var/log/maillog")}. @end defvr -@node Networking Services -@subsection Networking Services - -The @code{(gnu services networking)} module provides services to configure -the network interface. - -@cindex DHCP, networking service -@defvr {Scheme Variable} dhcp-client-service-type -This is the type of services that run @var{dhcp}, a Dynamic Host Configuration -Protocol (DHCP) client, on all the non-loopback network interfaces. Its value -is the DHCP client package to use, @code{isc-dhcp} by default. -@end defvr +@node Networking Setup +@subsection Networking Setup -@deffn {Scheme Procedure} dhcpd-service-type -This type defines a service that runs a DHCP daemon. To create a -service of this type, you must supply a @code{<dhcpd-configuration>}. -For example: +The @code{(gnu services networking)} module provides services to +configure network interfaces and set up networking on your machine. +Those services provide different ways for you to set up your machine: by +declaring a static network configuration, by running a Dynamic Host +Configuration Protocol (DHCP) client, or by running daemons such as +NetworkManager and Connman that automate the whole process, +automatically adapt to connectivity changes, and provide a high-level +user interface. -@lisp -(service dhcpd-service-type - (dhcpd-configuration - (config-file (local-file "my-dhcpd.conf")) - (interfaces '("enp0s25")))) -@end lisp -@end deffn +On a laptop, NetworkManager and Connman are by far the most convenient +options, which is why the default desktop services include +NetworkManager (@pxref{Desktop Services, @code{%desktop-services}}). +For a server, or for a virtual machine or a container, static network +configuration or a simple DHCP client are often more appropriate. -@deftp {Data Type} dhcpd-configuration -@table @asis -@item @code{package} (default: @code{isc-dhcp}) -The package that provides the DHCP daemon. This package is expected to -provide the daemon at @file{sbin/dhcpd} relative to its output -directory. The default package is the -@uref{https://www.isc.org/products/DHCP, ISC's DHCP server}. -@item @code{config-file} (default: @code{#f}) -The configuration file to use. This is required. It will be passed to -@code{dhcpd} via its @code{-cf} option. This may be any ``file-like'' -object (@pxref{G-Expressions, file-like objects}). See @code{man -dhcpd.conf} for details on the configuration file syntax. -@item @code{version} (default: @code{"4"}) -The DHCP version to use. The ISC DHCP server supports the values ``4'', -``6'', and ``4o6''. These correspond to the @code{dhcpd} program -options @code{-4}, @code{-6}, and @code{-4o6}. See @code{man dhcpd} for -details. -@item @code{run-directory} (default: @code{"/run/dhcpd"}) -The run directory to use. At service activation time, this directory -will be created if it does not exist. -@item @code{pid-file} (default: @code{"/run/dhcpd/dhcpd.pid"}) -The PID file to use. This corresponds to the @code{-pf} option of -@code{dhcpd}. See @code{man dhcpd} for details. -@item @code{interfaces} (default: @code{'()}) -The names of the network interfaces on which dhcpd should listen for -broadcasts. If this list is not empty, then its elements (which must be -strings) will be appended to the @code{dhcpd} invocation when starting -the daemon. It may not be necessary to explicitly specify any -interfaces here; see @code{man dhcpd} for details. -@end table -@end deftp +This section describes the various network setup services available, +starting with static network configuration. @defvr {Scheme Variable} static-networking-service-type This is the type for statically-configured network interfaces. @@ -16914,81 +16879,13 @@ For example: @end lisp @end deffn -@cindex wicd -@cindex wireless -@cindex WiFi -@cindex network management -@deffn {Scheme Procedure} wicd-service [#:wicd @var{wicd}] -Return a service that runs @url{https://launchpad.net/wicd,Wicd}, a network -management daemon that aims to simplify wired and wireless networking. - -This service adds the @var{wicd} package to the global profile, providing -several commands to interact with the daemon and configure networking: -@command{wicd-client}, a graphical user interface, and the @command{wicd-cli} -and @command{wicd-curses} user interfaces. -@end deffn - -@cindex ModemManager - -@defvr {Scheme Variable} modem-manager-service-type -This is the service type for the -@uref{https://wiki.gnome.org/Projects/ModemManager, ModemManager} -service. The value for this service type is a -@code{modem-manager-configuration} record. - -This service is part of @code{%desktop-services} (@pxref{Desktop -Services}). -@end defvr - -@deftp {Data Type} modem-manager-configuration -Data type representing the configuration of ModemManager. - -@table @asis -@item @code{modem-manager} (default: @code{modem-manager}) -The ModemManager package to use. - -@end table -@end deftp - -@cindex USB_ModeSwitch -@cindex Modeswitching - -@defvr {Scheme Variable} usb-modeswitch-service-type -This is the service type for the -@uref{https://www.draisberghof.de/usb_modeswitch/, USB_ModeSwitch} -service. The value for this service type is -a @code{usb-modeswitch-configuration} record. - -When plugged in, some USB modems (and other USB devices) initially present -themselves as a read-only storage medium and not as a modem. They need to be -@dfn{modeswitched} before they are usable. The USB_ModeSwitch service type -installs udev rules to automatically modeswitch these devices when they are -plugged in. - -This service is part of @code{%desktop-services} (@pxref{Desktop -Services}). +@cindex DHCP, networking service +@defvr {Scheme Variable} dhcp-client-service-type +This is the type of services that run @var{dhcp}, a Dynamic Host Configuration +Protocol (DHCP) client, on all the non-loopback network interfaces. Its value +is the DHCP client package to use, @code{isc-dhcp} by default. @end defvr -@deftp {Data Type} usb-modeswitch-configuration -Data type representing the configuration of USB_ModeSwitch. - -@table @asis -@item @code{usb-modeswitch} (default: @code{usb-modeswitch}) -The USB_ModeSwitch package providing the binaries for modeswitching. - -@item @code{usb-modeswitch-data} (default: @code{usb-modeswitch-data}) -The package providing the device data and udev rules file used by -USB_ModeSwitch. - -@item @code{config-file} (default: @code{#~(string-append #$usb-modeswitch:dispatcher "/etc/usb_modeswitch.conf")}) -Which config file to use for the USB_ModeSwitch dispatcher. By default the -config file shipped with USB_ModeSwitch is used which disables logging to -@file{/var/log} among other default settings. If set to @code{#f}, no config -file is used. - -@end table -@end deftp - @cindex NetworkManager @defvr {Scheme Variable} network-manager-service-type @@ -17125,6 +17022,139 @@ List of additional command-line arguments to pass to the daemon. @end table @end deftp +@cindex wicd +@cindex wireless +@cindex WiFi +@cindex network management +@deffn {Scheme Procedure} wicd-service [#:wicd @var{wicd}] +Return a service that runs @url{https://launchpad.net/wicd,Wicd}, a network +management daemon that aims to simplify wired and wireless networking. + +This service adds the @var{wicd} package to the global profile, providing +several commands to interact with the daemon and configure networking: +@command{wicd-client}, a graphical user interface, and the @command{wicd-cli} +and @command{wicd-curses} user interfaces. +@end deffn + +@cindex ModemManager +Some networking devices such as modems require special care, and this is +what the services below focus on. + +@defvr {Scheme Variable} modem-manager-service-type +This is the service type for the +@uref{https://wiki.gnome.org/Projects/ModemManager, ModemManager} +service. The value for this service type is a +@code{modem-manager-configuration} record. + +This service is part of @code{%desktop-services} (@pxref{Desktop +Services}). +@end defvr + +@deftp {Data Type} modem-manager-configuration +Data type representing the configuration of ModemManager. + +@table @asis +@item @code{modem-manager} (default: @code{modem-manager}) +The ModemManager package to use. + +@end table +@end deftp + +@cindex USB_ModeSwitch +@cindex Modeswitching + +@defvr {Scheme Variable} usb-modeswitch-service-type +This is the service type for the +@uref{https://www.draisberghof.de/usb_modeswitch/, USB_ModeSwitch} +service. The value for this service type is +a @code{usb-modeswitch-configuration} record. + +When plugged in, some USB modems (and other USB devices) initially present +themselves as a read-only storage medium and not as a modem. They need to be +@dfn{modeswitched} before they are usable. The USB_ModeSwitch service type +installs udev rules to automatically modeswitch these devices when they are +plugged in. + +This service is part of @code{%desktop-services} (@pxref{Desktop +Services}). +@end defvr + +@deftp {Data Type} usb-modeswitch-configuration +Data type representing the configuration of USB_ModeSwitch. + +@table @asis +@item @code{usb-modeswitch} (default: @code{usb-modeswitch}) +The USB_ModeSwitch package providing the binaries for modeswitching. + +@item @code{usb-modeswitch-data} (default: @code{usb-modeswitch-data}) +The package providing the device data and udev rules file used by +USB_ModeSwitch. + +@item @code{config-file} (default: @code{#~(string-append #$usb-modeswitch:dispatcher "/etc/usb_modeswitch.conf")}) +Which config file to use for the USB_ModeSwitch dispatcher. By default the +config file shipped with USB_ModeSwitch is used which disables logging to +@file{/var/log} among other default settings. If set to @code{#f}, no config +file is used. + +@end table +@end deftp + + +@node Networking Services +@subsection Networking Services + +The @code{(gnu services networking)} module discussed in the previous +section provides services for more advanced setups: providing a DHCP +service for others to use, filtering packets with iptables or nftables, +running a WiFi access point with @command{hostapd}, running the +@command{inetd} ``superdaemon'', and more. This section describes +those. + +@deffn {Scheme Procedure} dhcpd-service-type +This type defines a service that runs a DHCP daemon. To create a +service of this type, you must supply a @code{<dhcpd-configuration>}. +For example: + +@lisp +(service dhcpd-service-type + (dhcpd-configuration + (config-file (local-file "my-dhcpd.conf")) + (interfaces '("enp0s25")))) +@end lisp +@end deffn + +@deftp {Data Type} dhcpd-configuration +@table @asis +@item @code{package} (default: @code{isc-dhcp}) +The package that provides the DHCP daemon. This package is expected to +provide the daemon at @file{sbin/dhcpd} relative to its output +directory. The default package is the +@uref{https://www.isc.org/products/DHCP, ISC's DHCP server}. +@item @code{config-file} (default: @code{#f}) +The configuration file to use. This is required. It will be passed to +@code{dhcpd} via its @code{-cf} option. This may be any ``file-like'' +object (@pxref{G-Expressions, file-like objects}). See @code{man +dhcpd.conf} for details on the configuration file syntax. +@item @code{version} (default: @code{"4"}) +The DHCP version to use. The ISC DHCP server supports the values ``4'', +``6'', and ``4o6''. These correspond to the @code{dhcpd} program +options @code{-4}, @code{-6}, and @code{-4o6}. See @code{man dhcpd} for +details. +@item @code{run-directory} (default: @code{"/run/dhcpd"}) +The run directory to use. At service activation time, this directory +will be created if it does not exist. +@item @code{pid-file} (default: @code{"/run/dhcpd/dhcpd.pid"}) +The PID file to use. This corresponds to the @code{-pf} option of +@code{dhcpd}. See @code{man dhcpd} for details. +@item @code{interfaces} (default: @code{'()}) +The names of the network interfaces on which dhcpd should listen for +broadcasts. If this list is not empty, then its elements (which must be +strings) will be appended to the @code{dhcpd} invocation when starting +the daemon. It may not be necessary to explicitly specify any +interfaces here; see @code{man dhcpd} for details. +@end table +@end deftp + @cindex hostapd service, for Wi-Fi access points @cindex Wi-Fi access points, hostapd service @defvr {Scheme Variable} hostapd-service-type @@ -17187,6 +17217,7 @@ network that can be seen on @code{wlan0}, by default. The service's value is a @code{hostapd-configuration} record. @end defvr + @cindex iptables @defvr {Scheme Variable} iptables-service-type This is the service type to set up an iptables configuration. iptables is a |