shinyscripts/man/rc.conf.5.txt

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rc.conf(5)
==========
NAME
----
rc.conf - Arch Linux main configuration file
SYNOPSIS
--------
/etc/rc.conf
DESCRIPTION
-----------
The /etc/rc.conf file is the system configuration file for Arch-specific
settings. The format is bash. It contains several commonly-edited settings such
as time zone, keymap, kernel modules, daemons to load at start-up, etc. It is
split up in a few sections to categorize configuration settings: localization,
hardware, networking, and daemons.
LOCALIZATION[[L]]
-----------------
*LOCALE=*
This sets your system language, which will be used by all i18n-friendly applications and utilities.
See `locale -a` (or locale.gen) for available options.
If leave empty, LANG in /etc/locale.conf will be used. If unset in both, it falls back to the C locale.
*TIMEZONE=*
Specifies the time zone. The setting takes effect on boot by ensuring that /etc/localtime is a symlink
to the correct zoneinfo file. Possible time zones are the relative path to a zoneinfo file starting
from the directory /usr/share/zoneinfo. For example, a German time zone would be Europe/Berlin,
which refers to the file /usr/share/zoneinfo/Europe/Berlin.
Note: If empty, /etc/localtime is not changed. This is useful if /etc/localtime is maintained manually
or by a third-party tool, or if there is no reason to change it from what was set during install.
*HARDWARECLOCK=*
How to interpret/update the hardware clock. (used by hwclock)
Options:
- empty: fall back to the value in /etc/adjtime, which defaults to UTC.
- "UTC": allows operating systems to abstract local time and ease DST.
- "localtime": apply time zone (and DST) in hardwareclock.
Choose this if you dual-boot with an OS which cannot handle UTC BIOS times correctly, like Windows
(note that recent Windows versions can use UTC, which is preferable).
- any other value will result in the hardware clock being left untouched (useful for virtualization)
*CONSOLEFONT=*
Defines the console font to load with the setfont program on boot.
Possible fonts are found in /usr/share/kbd/consolefonts (only needed for non-US).
If both CONSOLEFONT and KEYMAP leave empty, FONT in /etc/vconsole.conf will be used.
*CONSOLEMAP=*
Defines the console map to load with the setfont program on boot. Possible maps are found in
/usr/share/kbd/consoletrans. Set this to a map suitable for the appropriate locale (8859-1 for Latin1,
for example) if you're using an UTF-8 locale and use programs that generate 8-bit output. If you're
using X11 for everyday work, don't bother, as it only affects the output of Linux console applications.
If both CONSOLEFONT and KEYMAP leave empty, FONT_MAP in /etc/vconsole.conf will be used.
*KEYMAP=*
Defines the keymap to load with the loadkeys program on boot. Possible keymaps are
found in /usr/share/kbd/keymaps. Please note that this setting is only valid for
your TTYs, not any graphical window managers or X.
If both CONSOLEFONT and KEYMAP leave empty, KEYMAP in /etc/vconsole.conf will be used.
*USECOLOR=*
Use ANSI color sequences in start-up messages, unless set to 'no'.
Default: 'yes'
HARDWARE[[H]]
-------------
*MODULES=*
Modules to load at boot-up.
Prefix with a ! to blacklist. Alternatively you can add following line in a
file in /etc/modprobe.d:
blacklist <module>
See man modprobe.d(5) for details.
If leave empty, contents of modules-load.d will be used.
*USEDMRAID=*
Scan for FakeRAID (dmraid) volumes at start-up.
Default: 'no'
*USELVM=*
Scan for LVM volume groups at start-up. This is required if you use LVM.
Default: 'no'
NETWORKING[[N]]
---------------
*HOSTNAME=*
Hostname of machine. Should also be put in /etc/hosts, unless nss-myhostname is used.
If leave empty, the contents of /etc/hostname (if exists) will be used.
The following settings help you setting up a wired network.
*interface=*
Name of device. Use `ip addr` or `ls /sys/class/net/` to see all available interfaces.
Required for manual configuration. If using DHCP, it can be left unset, see dhcpcd(5) for details.
*address=*
IP address.
Required for manual configuration. If left empty, DHCP will be used.
*netmask=*
Subnet mask.
Defaults to 255.255.255.0. Ignored when using DHCP.
*broadcast=*
Broadcast address.
Optional for manual configuration, ignored for DHCP.
*gateway=*
Default route.
Required for manual configuration, ignored for DHCP.
The following options might be needed for advanced use-cases.
*NETWORK_PERSIST=*
Setting this to "yes" will skip network shutdown. This is required if your
root device is on NFS.
DAEMONS[[D]]
------------
*DAEMONS=*
Daemons to start at boot-up (in this order)
- prefix a daemon with a ! to disable it
- prefix a daemon with a @ to start it up in the background
If you are sure nothing else touches your hardware clock (such as ntpd or
by dual-booting), you might want to enable 'hwclock'. Note that this will only
make a difference if the hwclock program has been calibrated correctly.
If you use a network filesystem, you should enable 'netfs'.
Default: (syslog-ng network crond)
SEE ALSO
--------
hostname(5), vconsole.conf(5), locale.conf(5), hwclock(8), modules-load.d(5), modprobe.d(5), ip(8), dhcpcd(8)
AUTHORS
-------
Written by Dieter Plaetinck, Tom Gundersen, and others.