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=76bb5cdcf32e392eea245f4a2ba9b0d462657c4c;hb=1324e3ae515719a93a94a8d8316644af6c780909;hpb=b040723ea412209e0edf54647fa5aa4287411507
diff --git a/man/systemd.special.xml b/man/systemd.special.xml
index 76bb5cdcf..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,
@@ -820,7 +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
@@ -866,7 +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
@@ -882,7 +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.
@@ -896,7 +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
@@ -918,7 +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.
@@ -943,19 +977,18 @@
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
@@ -967,14 +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.