How to schedule for every two fridays with cron and/or at?
david walcroft
david_walcroft at yahoo.com.au
Sat Jul 17 04:30:42 UTC 2004
Mike Fedyk wrote:
> Sam Varshavchik wrote:
>
>> Mike Fedyk writes:
>>
>>> Hi,
>>>
>>> I have Amanda setup to run a daily backup Monday through Friday
>>> night. That works fine.
>>>
>>> But now I want to add a full backup every two weeks on Friday night
>>> and I'm having trouble creating cron entries that don't have the
>>> commands running on the same day for full and daily backups.
>>>
>>> The best I have come up with is to run "at 20:45 Friday + 14 days"
>>> and "at 20:45 Friday + 28 days" at the beginning of each month but I
>>> don't think that will handle the situation correctly if the weeks
>>> don't overlap correctly.
>>>
>>> Any ideas on how to get this working would be very helpful.
>>
>>
>>
>> Run the following script every Friday:
>>
>> if test -f /etc/foo
>> then
>> rm -f /etc/foo
>> else
>> touch /etc/foo
>> exit 0
>> fi
>
>
> Ok, thanks. I'm going to modify it to take two arguments. One for temp
> file specification, and one for command to alternate.
>
> And I'll call it "alternate"
>
> Now that I'm doing that, does anyone know of a project that collects and
> maintains a bunch of little utilities like this? Like a sysadmin
> toolbox or something...
>
>
Mike I wish you luck with a utilities prog. what you need in utils. is
different to my needs and to a lot of other FC users,me I use
~david/scripts and throw all small bash-scripts,work-arounds,CML's,
obscure and less used prog commands into it.
david
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