Fcron 2.9.4 - a replacement for Vixie cron and anacron
From: Thibault Godouet (fcron_at_free.fr)
Date: 12/29/03
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Date: Mon, 29 Dec 2003 15:56:30 CST
What is new in this release (2.9.4) ?
------------------------------------
* Merged support for SE Linux (patch from Russell Coker : thanks !)
* Work on the documentation (fixed spelling mistakes, tried to make
things clearer in fcrontab.5) (thanks Bill Wohler for your help !)
* Changed the subject line of mail reports : it now contains the
subject line, and is very similar to vixie cron's one.
* Added a sum-up at the end of ./configure.
* bug fix : "makewhatis" bug is fixed -- at last !
In fact, the problems encountered were due to an abusively ignored
signal SIGPIPE.
* bug fix : possible crash of fcron when trying to save a file if
there was no space left on device.
* bug fix : we don't consider '-' and '_' as word delimiters for a
username before the command anymore, since many programs have one
of these characters in their name.
* bug fix : option first was broken in fcron 2.9.3.
* fixed a little typo in an error message (could->couldn't)
* bug fix : do not ignore the last line of a fcrontab if there is no
\n before the end of file.
* fixed compile on SunOS 5.9 .
* Fcron now compiles on MacOS X.
* added some $srcdir to be able (again ;) ) to run configure from
another directory.
* Perf improvement : use buffer for i/o in run_job().
What is fcron ?
--------------
Fcron is a scheduler. It aims at replacing Vixie Cron, so it implements most
of its functionalities.
But contrary to Vixie Cron, fcron does not need your system to be up 7 days
a week, 24 hours a day : it also works well with systems which are
not running neither all the time nor regularly (contrary to anacrontab).
In other words, fcron does both the job of Vixie Cron and anacron, but does
even more and better :)) ...
To do so, fcron allows you to use the standard mode in which you tell
it to execute one command at a given date and hour and to make it run
a command according to its time of execution, which is normally the same as
system up time. For example :
Run the task 'save /home/ directory'
every 3h15 of system up time.
and, of course, in order to make it really useful, the time remaining until
next execution is saved each time the system is stopped.
You can also say :
run that command once between 2am and 5am
which will be done if the system is running at any time in this interval.
Fcron also includes a useful system of options, which can be applied
either to
every lines following the declaration or to a single line. Some of
the supported options permit to:
- run jobs one by one,
- set the max system load average value under which the job should be run,
- set a nice value for a job,
- run jobs at fcron's startup if they should have been run
during system down time,
- mail user to tell him a job has not run and why,
- a better management of the mailing of outputs ...
What is planed for next releases ?
---------------------------------
Please go to http://fcron.free.fr/doc/todo.html
(propositions and help are welcome)
How you can help me
-------------------
If you'd like to help me, please contact me at :
fcron@free.fr
Where can I get it ?
-------------------
You can either go to the project home page at :
or get it from metalab at :
ftp://metalab.unc.edu/pub/Linux/system/daemons/cron/fcron-2.9.4.src.tar.gz
(371kB)
(I've sent the file but it may take some time before it is available on
metalab)
or get it from seul.org (USA) :
ftp://ftp.seul.org/pub/fcron/fcron-2.9.4.src.tar.gz (371kB)
I hope you will enjoy it,
Thibault.
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