X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.special.xml;h=cda6edd42b54a4d543403a12bd9c8076d7a726e6;hp=61d45ff88d7e42117168ed1cb94f4fb1cb737dbc;hb=1324e3ae515719a93a94a8d8316644af6c780909;hpb=8df31a9c980009d8a4e0ca51cc31174efb7e25c9
diff --git a/man/systemd.special.xml b/man/systemd.special.xml
index 61d45ff88..cda6edd42 100644
--- a/man/systemd.special.xml
+++ b/man/systemd.special.xml
@@ -72,6 +72,7 @@
multi-user.target,
network.target,
network-online.target,
+ network-pre.target,
nss-lookup.target,
nss-user-lookup.target,
paths.target,
@@ -100,7 +101,11 @@
system-update.target,
time-sync.target,
timers.target,
- umount.target
+ umount.target,
+ -.slice,
+ system.slice,
+ user.slice,
+ machine.slice
@@ -314,7 +319,7 @@
dependencies of type
Before= to
sysroot-usr.mount
- and all mount points fround in
+ and all mount points found in
/etc/fstab
that have the
and
@@ -381,7 +386,7 @@
this unit during
installation. This is best
configured via
- WantedBy=multi-uer.target
+ WantedBy=multi-user.target
in the unit's
[Install]
section.
@@ -444,7 +449,7 @@
after it. Note that networking
daemons that simply provide
functionality to other hosts
- generally don't need to pull
+ generally do not need to pull
this in.
@@ -784,7 +789,7 @@
available at boot.
This may be used to pull
- in printer management
+ in smartcard management
daemons dynamically when
smartcard hardware is
found.
@@ -801,7 +806,7 @@
This may be used to pull
in audio management daemons
- dynamically when printer
+ dynamically when audio
hardware is found.
@@ -816,7 +821,7 @@
services. These targets are generally not part of the
initial boot transaction, unless they are explicitly
pulled in by one of the implementing services. Note
- specifically, that these passive
+ specifically that these passive
target units are generally not pulled in by the
consumer of a service, but by the provider of the
service. This means: a consuming service should order
@@ -862,7 +867,13 @@
will be stopped before the
network -- to whatever level
it might be set up then -- is
- shut down. Also see Running
Services After the Network is
up for more
@@ -878,7 +889,20 @@
an LSB header referring to the
$network
facility.
-
+
+
+
+ network-pre.target
+
+ This passive target unit
+ may be pulled in by services
+ that want to run before any
+ network is set up, for example
+ for the purpose of setting up a
+ firewall. All network
+ management software orders
+ itself after this target, but
+ does not pull it in.
@@ -892,7 +916,12 @@
user/group name lookups for
which
nss-user-lookup.target
- should be used. systemd
+ should be used. All services
+ for which the availability of
+ full host/network name
+ resolution is essential should
+ be ordered after this target,
+ but not pull it in. systemd
automatically adds
dependencies of type
After= for
@@ -914,7 +943,16 @@
host/network name lookups for
which
nss-lookup.target
- should be used.
+ should be used. All services
+ for which the availability of
+ the full user/group database is
+ essential should be ordered
+ after this target, but not
+ pull it in. Note that system
+ users are always resolvable,
+ and hence do not require any
+ special ordering against this
+ target.
@@ -935,23 +973,22 @@
Wants= type
dependency. If the unit wants
to be pulled in by the first
- remote mount showing up it
+ remote mount showing up, it
should use
network-online.target
(see above).
-
- Again, this target unit
- is not
- suitable for pulling in other
- units, it is only useful for
- ordering.rpcbind.target
- systemd automatically
- adds dependencies of type
+ The portmapper/rpcbind
+ pulls in this target and
+ orders itself before it, to
+ indicate its
+ availability. systemd
+ automatically adds
+ dependencies of type
After= for
this target unit to all SysV
init script service units with
@@ -963,14 +1000,24 @@
time-sync.target
- systemd automatically
- adds dependencies of type
+ Services responsible for
+ synchronizing the system clock
+ from a remote source (such as
+ NTP client implementations)
+ should pull in this target and
+ order themselves before
+ it. All services where correct
+ time is essential should be
+ ordered after this unit, but
+ not pull it in. systemd
+ automatically adds
+ dependencies of type
After= for
this target unit to all SysV
init script service units with
an LSB header referring to the
$time
- facility.
+ facility.
@@ -992,7 +1039,7 @@
smartcard.target,
sound.target.
- In addition the following special unit is
+ In addition, the following special unit is
understood only when systemd runs as service instance:
@@ -1007,8 +1054,8 @@
terminate the user service
manager should start this
unit. If systemd receives
- SIGTERM or SIGINT when running
- as user service daemon it will
+ SIGTERM or SIGINT when running
+ as user service daemon, it will
start this unit.Normally, this pulls in
@@ -1022,6 +1069,63 @@
+
+ Special Slice Units
+
+ There are four .slice units
+ which form the basis of the hierarchy for assignment
+ of resources for services, users, and virtual machines
+ or containers.
+
+
+
+ -.slice
+
+ The root slice is the
+ root of the hierarchy. It
+ usually does not contain units
+ directly, but may be used to
+ set defaults for the whole
+ tree.
+
+
+
+
+ system.slice
+
+ By default, all services
+ services started by
+ systemd are
+ found in this slice.
+
+
+
+
+ user.slice
+
+ By default, all user
+ processes and services started
+ on behalf of the user,
+ including the per-user systemd
+ instance are found in this
+ slice.
+
+
+
+
+ machine.slice
+
+ By defalt, all virtual
+ machines and containers
+ registered with
+ systemd-machined
+ are found in this slice.
+
+
+
+
+
+
See Also
@@ -1030,6 +1134,7 @@
systemd.service5,
systemd.socket5,
systemd.target5,
+ systemd.slice5,
bootup7,
systemd-fstab-generator8