Make "tinc add" idempotent.

[tinc] / doc / tinc.8.in

diff --git a/doc/tinc.8.in b/doc/tinc.8.in
index bb56386..02f1b9a 100644 (file)
--- a/doc/tinc.8.in
+++ b/doc/tinc.8.in
@@ -88,6 +88,7 @@ To set a variable for a specific host, use the notation
 .Ar host Ns Li . Ns Ar variable .
 .It add Ar variable Ar value
 As above, but without removing any previously existing configuration variables.
+If the variable already exists with the given value, nothing happens.
 .It del Ar variable Op Ar value
 Remove configuration variables with the same name and
 .Ar value .
@@ -215,6 +216,14 @@ If
 .Ar netname
 is given, switch to that network.
 Otherwise, display a list of all networks for which configuration files exist.
+.It fsck
+This will check the configuration files for possible problems,
+such as unsafe file permissions, missing executable bit on script,
+unknown and obsolete configuration variables, wrong public and/or private keys, and so on.
+.Pp
+When problems are found, this will be printed on a line with WARNING or ERROR in front of it.
+Most problems must be corrected by the user itself, however in some cases (like file permissions and missing public keys),
+tinc will ask if it should fix the problem.
 .El
 .Sh EXAMPLES
 Examples of some commands: