documentation for new update-motd, supporting running message modules

of other frequencies

diff --git a/update-motd.1 b/update-motd.1
index 729295b8cf8ae825d58032d9ceaa387c3b73033e..55ec0c325e0b403e4cf8217fc63eed5e8754762d 100644 (file)
--- a/update-motd.1
+++ b/update-motd.1
@@ -1,12 +1,12 @@
 .IX Title "UPDATE-MOTD 1"
-.TH UPDATE-MOTD 1 "2008-09-17" update-motd update-motd
+.TH UPDATE-MOTD 1 "2008-11-11" update-motd update-motd
 
 .SH "NAME"
 update\-motd \- Automatically update the message-of-the-day (MOTD)
 
 .SH "SYNOPSIS"
 .IX Header "SYNOPSIS"
-update\-motd [\-\-disable|\-\-enable|\-\-force]
+update\-motd [\-\-disable|\-\-enable|\-\-force] [d|hourly|daily|weekly|monthly]
 
 .SH "OPTIONS"
 .IX Header "OPTIONS"
@@ -19,13 +19,30 @@ Allow update-motd to run.  This is useful for enabling automatic updates of \fI/
 .TP
 \fB\-\-force\fP
 Override a disabled update-motd for a single, immediate update of \fI/etc/motd\fP.
+.TP
+\fBd\fP (Default)
+Runs the scripts in /etc/update-motd.d
+.TP
+\fBhourly\fP
+Runs the scripts in /etc/update-motd.d/hourly
+.TP
+\fBdaily\fP
+Runs the scripts in /etc/update-motd.d/daily
+.TP
+\fBweekly\fP
+Runs the scripts in /etc/update-motd.d/weekly
+.TP
+\fBmonthly\fP
+Runs the scripts in /etc/update-motd.d/monthly
 
 
 .SH "DESCRIPTION"
 .IX Header "DESCRIPTION"
-This script executes each script in \fI/etc/update-motd.d/\fP in lexical order, concatenating the status with \fI/etc/motd.tail\fP, and writing the output to \fI/var/lib/motd\fP, which is usually a symbolic link to \fI/etc/motd\fP.
+This script executes lists of scripts in lexical order, concatenating and writing the output to \fI/var/lib/motd\fP, which is usually a symbolic link to \fI/etc/motd\fP.
+
+Users and/or packages should add symbolic links to \fI/etc/update-motd.d/\fP, \fI/etc/update-motd.d/hourly\fP, \fI/etc/update-motd.d/daily\fP, \fI/etc/update-motd.d/weekly\fP, \fI/etc/update-motd.d/monthly\fP, prepended with a two-digit number to define the displayed order, as obeyed by \fBrun-parts(8)\fP.
 
-Users and/or packages should add symlinks to \fI/etc/update-motd.d/\fP, prepended with a two-digit number to define the execution order, as obeyed by \fBrun-parts(8)\fP.
+Separate cron jobs will run \fBupdate-motd\fP every 10 minutes, hourly, daily, weekly, and monthly.  Each of execution of \fBupdate-motd\fP will run the scripts in the corresponding \fI/etc/update-motd.d/\fP directory.  The output of each script will be written and cached in \fI/var/run/update-motd/*\fP, retaining the number and name of the script executed, to preserve the ordering of the output in \fI/etc/motd\fP.  After execution of the current set of scripts, all files in \fI/var/run/update-motd/\fP will be concatenated with \fI/etc/motd.tail\fP and written to \fI/etc/motd\fP.
 
 The update-motd script will not execute if the file \fI/var/lib/update-motd/disabled\fP exists.  One can override this using the \fB--force\fP option.  To permanently enable/disable \fBupdate-motd\fP, use:
     $ sudo update-motd --enable
@@ -34,7 +51,7 @@ The update-motd script will not execute if the file \fI/var/lib/update-motd/disa
 If enabled, timestamp of the last \fBupdate-motd\fP run will be written to \fI/var/run/update-motd.lastrun\fP.
 
 .SH FILES
-\fI/etc/cron.d/update-motd\fP, \fI/etc/update-motd.d/\fP, \fI/etc/motd.tail\fP, \fI/var/run/motd\fP, \fI/var/lib/update-motd/disabled\fP, \fI/var/run/update-motd.lastrun\fP
+\fI/etc/cron.d/update-motd\fP, \fI/etc/update-motd.d/\fP, \fI/etc/update-motd.d/hourly\fP, \fI/etc/update-motd.d/daily\fP, \fI/etc/update-motd.d/weekly\fP, \fI/etc/update-motd.d/monthly\fP, \fI/etc/motd.tail\fP, \fI/var/run/motd\fP, \fI/var/lib/update-motd/disabled\fP, \fI/var/run/update-motd\fP, \fI/var/run/update-motd.lastrun\fP
 
 .SH "AUTHOR"
 .IX Header "AUTHOR"