rc.conf(5)
- NetBSD Manual Pages
RC.CONF(5) NetBSD Programmer's Manual RC.CONF(5)
NAME
rc.conf - system startup configuration file
DESCRIPTION
The rc.conf file specifies which services are enabled during system
startup by the startup scripts invoked by /etc/rc (see rc(8)), and the
shutdown scripts invoked by /etc/rc.shutdown. The rc.conf file is a
shell script that is sourced by rc(8), meaning that rc.conf must contain
valid shell commands.
Listed below are the rc.conf variables that may be set, the values to
which each may be set, a brief description of what each variable does,
and a reference to relevant manual pages.
Most variables are one of two types: enabling variables or flags
variables. Enabling variables, such as inetd, are generally named after
the program or the system they enable, and are set to `YES' or `NO'.
Flags variables, such as inetd_flags have the same name with "_flags"
appended, and determine what arguments are passed to the program if it is
enabled.
If a variable that rc(8) expects to be set is not set, or the value is
not one of the allowed values, a warning will be printed.
By default, rc.conf reads /etc/defaults/rc.conf (if it is readable) to
obtain default values for various variables, and the end-user may
override these by appending appropriate entries to the end of rc.conf.
rc.d(8) scripts that use load_rc_config from rc.subr(8) also support
sourcing an optional end-user provided per-script override file
/etc/rc.conf.d/service, (where service is the contents of the name
variable in the rc.d(8) script). This may contain variable overrides,
including allowing the end-user to override various run_rc_command
rc.d(8) control variables, and thus changing the operation of the script
without requiring editing of the script.
Overall control
rc_configured `YES' or `NO'. If not set to `YES' then the system will
drop into single-user mode during boot.
rc_fast_and_loose
If set to a non-empty string, each script in /etc/rc.d
will be executed in the current shell rather than a sub
shell. This may be faster on slow machines that have an
expensive fork(2) operation.
Note: Use this at your own risk! A rogue command or
script may inadvertently prevent boot to
multiuser.
rc_rcorder_flags
A string. Extra arguments to the rcorder(8) run by
/etc/rc.
do_rcshutdown `YES' or `NO'. If set to `NO', shutdown(8) will not run
/etc/rc.shutdown.
rcshutdown_rcorder_flags
A string. Extra arguments to the rcorder(8) run by
/etc/rc.shutdown.
rcshutdown_timeout
A number. If non-blank, use this as the number of
seconds to run a watchdog timer for which will terminate
/etc/rc.shutdown if the timer expires before the shutdown
script completes.
Basic network configuration
hostname A string. Name of host. If empty or not set, then the
contents of /etc/myname (if it exists) are used.
defaultroute A string. Default network route. If empty or not set,
then the contents of /etc/mygate (if it exists) are used.
domainname A string. NIS (YP) domain of host. If empty or not set,
then the contents of /etc/defaultdomain (if it exists)
are used.
Boottime file-system and swap configuration
critical_filesystems_local
A string. File systems mounted very early in the system
boot before networking services are available. Usually
/var is part of this, because it is needed by services
such as dhclient(8) which may be required to get the
network operational.
critical_filesystems_remote
A string. File systems such as /usr that may require
network services to be available to mount, that must be
available early in the system boot for general services
to use.
no_swap `YES' or `NO'. Set the no_swap variable to `YES' if you
have configured your system with no swap on purpose. If
not set to `YES', and no swap devices are configured, the
system will warn you.
swapoff `YES' or `NO'. Remove block-type swap devices at
shutdown time. Useful if swapping onto RAIDframe
devices.
One-time actions to perform or programs to run on
lkm `YES' or `NO'. Runs /etc/rc.lkm.
savecore `YES' or `NO'. Runs the savecore(8) utility. Passes
savecore_flags.
clear_tmp `YES' or `NO'. Clear /tmp after reboot.
update_motd `YES' or `NO'. Updates the NetBSD version string in the
/etc/motd file to reflect the version of the running
kernel. See motd(5).
dmesg `YES' or `NO'. Create /var/run/dmesg.boot from the
output of dmesg(8). Passes dmesg_flags.
accounting `YES' or `NO'. Enables process accounting with
accton(8). Requires /var/account/acct to exist.
newsyslog `YES' or `NO'. Run newsyslog to trim logfiles before
syslogd starts. Intended for laptop users. Passes
newsyslog_flags.
System security setting
securelevel A number. The system securelevel is set to the specified
value early in the boot process, before any external
logins, or other programs that run users job, are
started. If set to nothing, the default action is taken,
as described in init(8), which contains definitive
information about the system securelevel. Note that
setting securelevel to 0 in rc.conf will actually result
in the system booting with securelevel set to 1, as
init(8) will raise the level when rc(8) completes.
Networking startup
ipfilter `YES' or `NO'. Runs ipf(8) to load in packet filter
specifications from /etc/ipf.conf at network boot time,
before any interfaces are configured. See ipf.conf(5).
ipnat `YES' or `NO'. Runs ipnat(8) to load in the IP network
address translation (NAT) rules from /etc/ipnat.conf at
network boot time, before any interfaces are configured.
See ipnat.conf(5).
ipfs `YES' or `NO'. Runs ipfs(8) to save and restore
information for ipnat and ipfilter state tables. The
information is stored in /var/db/ipf/ipstate.ipf and
/var/db/ipf/ipnat.ipf. Passes ipfs_flags.
ipsec `YES' or `NO'. Runs setkey(8) to load in IPsec manual
keys and policies from /etc/ipsec.conf at network boot
time, before any interfaces are configured.
ipmon `YES' or `NO'. Runs ipmon(8) to read ipf(8) packet log
information and log it to a file or the system log.
Passes ipmon_flags.
racoon `YES' or `NO'. Runs racoon(8), the IKE (ISAKMP/Oakley)
key management daemon.
auto_ifconfig `YES' or `NO'. Sets the net_interfaces variable (see
below) to the output of ifconfig(8) with the ``-l'' flag
and suppresses warnings about interfaces in this list
that do not have an ifconfig file or variable.
net_interfaces A string. The list of network interfaces to be
configured at boot time. For each interface "xxN", the
system first looks for ifconfig parameters in
/etc/ifconfig.xxN and then in the variable ifconfig_xxN.
The contents of the file or the variable are handed to
ifconfig after the interface name. If auto_ifconfig is
set to "NO" and neither the file nor the variable is
found, a warning is printed. Refer to ifconfig.if(5) for
more details on /etc/ifconfig.xxN.
ifaliases_* A string. List of `address netmask' pairs to configure
additional network addresses for the given configured
interface ``*'' (e.g. ifaliases_le0). If netmask is
``-'', then use the default netmask for the interface.
ifaliases_* covers limited cases only and considered
unrecommended. We recommend using /etc/ifconfig.xxN with
multiple lines instead.
flushroutes `YES' or `NO'. Flushes the route table on networking
startup. Useful when coming up to multiuser mode after
going down to single-user mode.
dhclient `YES' or `NO'. Set to `YES' to configure some or all
network interfaces using the DHCP client. If you set
dhclient to `YES', you must either have /var in
critical_filesystems_local, as part of /, or direct the
DHCP client to store the leases file on the root file
system by modifying the dhclient_flags variable. You
must not provide ifconfig information or ifaliases
information for any interface that is to be configured
using the DHCP client. Interface aliases can be set up
in the DHCP client configuration file if needed - see
dhclient.conf(5) for details.
Passes dhclient_flags to the DHCP client. See
dhclient(8) for complete documentation. If you wish to
configure all broadcast network interfaces using the DHCP
client, you can leave this blank. To configure only
specific interfaces, name the interfaces to be configured
on the command line.
If you must run the DHCP client before mounting critical
filesystems, then you should specify an alternate
location for the DHCP client's lease file in the
dhclient_flags variable - for example, "-lf
/tmp/dhclient.leases".
ntpdate `YES' or `NO'. Runs ntpdate(8) to set the system time
from one of the hosts in ntpdate_hosts. If ntpdate_hosts
is empty, it will attempt to find a list of hosts in
/etc/ntp.conf. Passes ntpdate_flags.
ppp_peers A string. If ppp_peers is not empty, then /etc/rc.d/ppp
will check each word in ppp_peers for a corresponding ppp
configuration file in /etc/ppp/peers and will call
pppd(8) with the ``call peer'' option.
ip6mode A string. An IPv6 node can be a router (nodes that
forward packet for others) or a host (nodes that do not
forward). A host can be autoconfigured based on the
information advertised by adjacent IPv6 routers. By
setting ip6mode to ``router'', ``host'', or ``autohost'',
you can configure your node as a router, a non-
autoconfigured host, or an autoconfigured host. Invalid
values will be ignored, and the node will be configured
as a non-autoconfigured host. You may want to check
rtsol and rtsold as well, if you set the variable to
``autohost''.
ip6sitelocal `YES' or `NO'. If you intend to use IPv6 site-local
addresses in your site, set it to `YES'. Otherwise,
reject routes will get installed on boot to avoid
misconfiguration relating to site-local addresses.
rtsol `YES' or `NO'. Run rtsol(8), router solicitation command
for IPv6 hosts. On nomadic hosts like notebook
computers, you may want to enable rtsold as well. Passes
rtsol_flags. This is only for autoconfigured IPv6 hosts,
so set ip6mode to ``autohost'' if you use it.
ifwatchd `YES' or `NO'. Monitor dynamic interfaces and perform
actions upon address changes. Passes ifwatchd_flags.
altq `YES' or `NO'. ALTQ configuration/monitoring daemon.
Passes altqd_flags.
Daemons required by other daemons
inetd `YES' or `NO'. Runs the inetd(8) daemon to start network
server processes (as listed in /etc/inetd.conf) as
necessary. Passes inetd_flags. The ``-l'' flag turns on
libwrap connection logging.
rpcbind `YES' or `NO'. The rpcbind(8) daemon is required for any
rpc(3) services. These include NFS, NIS, bootparamd(8),
rstatd(8), rusersd(8), and rwalld(8). Passes
rpcbind_flags.
Commonly used daemons
syslogd `YES' or `NO'. Runs syslogd(8) and passes syslogd_flags.
cron `YES' or `NO'. Run cron(8).
named `YES' or `NO'. Runs named(8) and passes named_flags.
named_chrootdir
A string. If non-blank and named is `YES', run named(8)
as the unprivileged user and group `named', chroot(2)ed
to named_chrootdir. named_chrootdir/var/run/log will be
added to the list of log sockets that syslogd(8) listens
to.
timed `YES' or `NO'. Runs timed(8) and passes timed_flags.
The ``-M'' option allows timed(8) to be a master time
source as well as a slave. If you are also running
ntpd(8), only one machine running both should have the
``-M'' flag given to timed(8).
ntpd `YES' or `NO'. Runs ntpd(8) and passes ntpd_flags.
ntpd_chrootdir A string. If non-blank and ntpd is `YES', run ntpd(8) as
the unprivileged user and group `ntpd', chroot(2)ed to
ntpd_chrootdir. ntpd_chrootdir/var/run/log will be added
to the list of log sockets that syslogd(8) listens to.
This option requires that the kernel has
pseudo-device clockctl
compiled in, and that /dev/clockctl is present.
sendmail `YES' or `NO'. Runs sendmail(8) and passes
sendmail_flags.
postfix `YES' or `NO'. Starts postfix(1) mail system.
lpd `YES' or `NO'. Runs lpd(8) and passes lpd_flags. The
``-l'' flag will turn on extra logging.
sshd `YES' or `NO'. Runs sshd(8) and passes sshd_flags.
Routing daemons
routed `YES' or `NO'. Runs routed(8), the RIP routing protocol
daemon. Passes routed_flags.
mrouted `YES' or `NO'. Runs mrouted(8), the DVMRP multicast
routing protocol daemon. Passes mrouted_flags.
route6d `YES' or `NO'. Runs route6d(8), the RIPng routing
protocol daemon for IPv6. Passes route6d_flags.
rtsold `YES' or `NO'. Runs rtsold(8), the IPv6 router
solicitation daemon. rtsold(8) periodically transmits
router solicitation packets to find IPv6 routers on the
network. This configuration is mainly for nomadic hosts
like notebook computers. Stationary hosts should work
fine with just rtsol. Passes rtsold_flags. This is only
for autoconfigured IPv6 hosts, so set ip6mode to
``autohost'' if you use it.
Daemons used to boot other hosts over a network
rarpd `YES' or `NO'. Runs rarpd(8), the reverse ARP daemon,
often used to boot NetBSD and Sun workstations. Passes
rarpd_flags.
bootparamd `YES' or `NO'. Runs bootparamd(8), the boot parameter
server, with bootparamd_flags as options. Used to boot
NetBSD and SunOS 4.x systems.
dhcpd `YES' or `NO'. Runs dhcpd(8), the Dynamic Host
Configuration Protocol (DHCP) daemon, for assigning IP
addresses to hosts and passing boot information. Passes
dhcpd_flags.
dhcrelay `YES' or `NO'. Runs dhcrelay(8). Passes dhcrelay_flags.
rbootd `YES' or `NO'. Runs rbootd(8), the HP boot protocol
daemon; used for booting HP workstations. Passes
rbootd_flags.
mopd `YES' or `NO'. Runs mopd(8), the DEC MOP protocol
daemon; used for booting VAX and other DEC machines.
Passes mopd_flags.
ndbootd `YES' or `NO'. Runs ndbootd(8), the Sun Network Disk
(ND) Protocol server. Passes ndbootd_flags.
rtadvd `YES' or `NO'. Runs rtadvd(8), the IPv6 router
advertisement daemon, which is used to advertise
information about the subnet to IPv6 end hosts. Passes
rtadvd_flags. This is only for IPv6 routers, so set
ip6mode to ``router'' if you use it.
X Window System daemons
xfs `YES' or `NO'. Runs the xfs(1) X11 font server, which
supplies local X font files to X terminals.
xdm `YES' or `NO'. Runs the xdm(1) X display manager. These
X daemons are available only with the optional X
distribution of NetBSD.
NIS (YP) daemons
ypbind `YES' or `NO'. Runs ypbind(8), which lets NIS (YP)
clients use information from a NIS server. Passes
ypbind_flags.
ypserv `YES' or `NO'. Runs ypserv(8), the NIS (YP) server for
distributing information from certain files in /etc.
Passes ypserv_flags. The ``-d'' flag causes it to use
DNS for lookups in /etc/hosts that fail.
yppasswdd `YES' or `NO'. Runs yppasswdd(8), which allows remote
NIS users to update password on master server. Passes
yppasswdd_flags.
NFS daemons and parameters
mountd `YES' or `NO'. Runs mountd(8) and passes mountd_flags.
nfs_client `YES' or `NO'. The number of local NFS asynchronous I/O
server is now controlled via sysctl(8).
nfs_server `YES' or `NO'. Sets up a host to be a NFS server by
running nfsd(8) and passing nfsd_flags.
lockd `YES' or `NO'. Runs rpc.lockd(8) if nfs_server and/or
nfs_client are set to `YES'. Passes lockd_flags.
statd `YES' or `NO'. Runs rpc.statd(8), a status monitoring
daemon used when rpc.lockd(8) is running, if nfs_server
and/or nfs_client are set to `YES'. Passes statd_flags.
amd `YES' or `NO'. Runs amd(8), the automounter daemon,
which automatically mounts NFS file systems whenever a
file or directory within that file system is accessed.
Passes amd_flags.
amd_dir A string. The amd(8) mount directory. Used only if amd
is set to `YES'.
Other daemons
kdc `YES' or `NO'. Runs the kdc(8) Kerberos v4 and v5
server. This should be run on Kerberos master and slave
servers.
isdnd `YES' or `NO'. Runs isdnd(8), the isdn4bsd ISDN
connection management daemon. Passes isdnd_flags.
isdn_autoupdown
`YES' or `NO'. Set all configured ISDN interfaces to
``up''. If isdn_interfaces is not blank, only the listed
interfaces will be modified. Used only if isdnd is set
to `YES'.
rwhod `YES' or `NO'. Runs rwhod(8) to support the rwho(1) and
ruptime(1) commands.
Hardware daemons
apmd `YES' or `NO'. Runs apmd(8) and passes apmd_flags.
poffd `YES' or `NO'. Runs poffd(8) x68k shutdown daemon (only
for NetBSD/x86k). Passes poffd_flags.
screenblank `YES' or `NO'. Runs screenblank(1) and passes
screenblank_flags.
moused `YES' or `NO'. Runs moused(8), to pass serial mouse data
to the wscons mouse mux. Passes moused_flags.
wscons `YES' or `NO'. Configures the wscons(4) console driver,
from the configuration file /etc/wscons.conf.
FILES
/etc/rc.conf The file rc.conf resides in /etc.
/etc/defaults/rc.conf Default settings for rc.conf, sourced by rc.conf
before the end-user configuration section.
/etc/rc.conf.d/foo foo-specific rc.conf overrides.
SEE ALSO
ifconfig.if(5), boot(8), rc(8), sysctl(8)
HISTORY
The rc.conf file appeared in NetBSD 1.3.
NetBSD 1.6 June 17, 2002 7
Powered by man-cgi (2024-03-20).
Maintained for NetBSD
by Kimmo Suominen.
Based on man-cgi by Panagiotis Christias.