Strange periodic problem

Paul Schmehl pschmehl_lists at tx.rr.com
Tue Oct 24 05:13:35 UTC 2017


--On October 24, 2017 at 12:22:06 AM -0400 zep <zgreenfelder at gmail.com> 
wrote:

> On 10/23/2017 10:51 PM, Paul Schmehl wrote:
>> I wrote a script to do database backups. It worked well, so I copied
>> it to another server. I had to alter it, because the db was too big to
>> send through email, so it creates the backup, removes the previous
>> days and then sends email to me notifying me that it ran. Except, it
>> doesn't work.
>>
>> And I have no idea why.
>
> what does your /etc/crontab file look like?  how does it compare
> between the two machines?

A diff shows they are identical.

>>
>> The periodic script is executable.
>> # ls -lsa /etc/periodic/daily/220.dbbackup
>> 2 -rwxr-xr-x  1 root  wheel  37 Oct 19 12:31
>> /etc/periodic/daily/220.dbbackup
>>
>> The script calls sh to run the actual script.
>> # cat /etc/periodic/daily/220.dbbackup
>> # !/bin/sh
>> /usr/local/bin/dbbackup.sh
>>  
>
> do you get anything more useful if you change the line to sh -x to
> call the .sh file?  is it possible there are some weird control
> characters in any of those files?  e.g. do they still look the
> same if you cat -v them?
>

Well, they're not the same. They're quite similar, but not the same. In 
answering Adam's question, I now realize that NONE of the periodic scripts 
are running.

>> Periodic.conf enables the script.
>> # grep dbbackup /etc/periodic.conf
>> daily_dbbackup_enable="YES"
>>
>> The script itself is executable.
>> # ls -lsa /usr/local/bin/dbbackup.sh
>> 2 -rwxr-xr-x  1 root  wheel  446 Oct 11 23:40
>> /usr/local/bin/dbbackup.sh
>>
>> The script runs manually, and I get the email.
>> # /usr/local/bin/dbbackup.sh
>> rm: /usr/home/pauls/102217.alldb.sql: No such file or directory
>>
>> (The previous backup doesn't exist, because the script isn't running
>> daily.)
>>
>> What have I missed?
>>
>> Paul Schmehl, Retired
>>
>>
>
> what version of freebsd did it first run on?  what's the version of the
> new machine (or more importantly, are they at the same versions?)
>
Both machines are running FreeBSD 10.3-RELEASE.

>
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Paul Schmehl, Retired
As if it wasn't already obvious, my opinions
are my own and not those of my employer.
*******************************************
"It is as useless to argue with those who have
renounced the use of reason as to administer
medication to the dead." Thomas Jefferson
"There are some ideas so wrong that only a very
intelligent person could believe in them." George Orwell



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