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Today's Topics:
1. Re: cron problem (m.roth2006@xxxxxxx)
2. Re: cron problem (Ray Van Dolson)
3. Re: cron problem (m.roth2006@xxxxxxx)
4. bdc and qmail-scanner (Lord of Gore)
5. Re: Soliciting Opinions Regarding File Systems (Nilesh Bansal)
----------------------------------------------------------------------
Message: 1
Date: Fri, 6 Apr 2007 12:15:53 -0400 (EDT)
From: <m.roth2006@xxxxxxx>
Subject: Re: cron problem
To: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx>
Message-ID: <20070406121553.CAB32245@xxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=us-ascii
Barry,
>Date: Fri, 6 Apr 2007 10:41:33 -0500 (CDT)
>From: Barry Brimer <lists@xxxxxxxxxx>
>
>On Fri, 6 Apr 2007 m.roth2006@xxxxxxx wrote:
>
>> Ok, folks, I'm going nuts. I've set up a cron job to run a script to
back up Oracle. In the crontab entry, I've got it piping stdout and
stderr to append to a logfile. It runs late every Thursday night.
>>
>> Well, allegedly.
>>
>> I find entries in /var/log/cron saying it ran... but there's no
backup, and no log. Just this week, I added set -x in the script.
>>
>> Nada.
>>
>> Any suggestions? Oh, and yes, if I run it manually, it works just
fine. The no output log *really* drives me nuts....
>
>Any chance that this script is relying on environment variables that are
>available in your current session, but would not be in the cron execution?
>Are you sourcing any needed environment in the script? Is there anything
>in the email that cron sends to the user who owns the cron job that would
>give more information?
Setting all the ORACLE* in the script. When I run it manually as Oracle,
it's fine, even if I haven't source oraenv. It's running as Oracle's cron
job, and...
<mark gets irritated, and finally install mutt on the box - all that had
been on was mail ("a friendly, comformable...." arrrghghghghgh)>
So, now I read oracle's email....
Right:
cron env is /bin/sh; and my backup script has #!/bin/bash as the first
line, of course, so that's the shell environment.
/bin/sh: -c: line 1: syntax error near unexpected token `&'
/bin/sh: -c: line 1: `/home/oracle/dbbackup.sh >>
/opt/oracle/backup/backup.log 2>>&1'
So it's a syntax error in the crontab entry... but *why*?
Ok, just went into Bourne, and it doesn't like 2>>&1. So, a simple
question: won't it toast backup.log if I don't do that as an append - that
is, if I do 2>&1, instead of 2>>&1?
mark
------------------------------
Message: 2
Date: Fri, 6 Apr 2007 09:30:48 -0700
From: Ray Van Dolson <rvandolson@xxxxxxxx>
Subject: Re: cron problem
To: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx>
Message-ID: <20070406163048.GA28313@xxxxxxxx>
Content-Type: text/plain; charset=us-ascii
> So, now I read oracle's email....
> Right:
> cron env is /bin/sh; and my backup script has #!/bin/bash as the first
line, of course, so that's the shell environment.
>
> /bin/sh: -c: line 1: syntax error near unexpected token `&'
> /bin/sh: -c: line 1: `/home/oracle/dbbackup.sh >>
/opt/oracle/backup/backup.log 2>>&1'
>
> So it's a syntax error in the crontab entry... but *why*?
> Ok, just went into Bourne, and it doesn't like 2>>&1. So, a simple
question: won't it toast backup.log if I don't do that as an append -
that is, if I do 2>&1, instead of 2>>&1?
I think it should be alright with 2>&1. You're using >> to append to
the backup.log previous to that and 2>&1 will just made stderr go to
stdout...
Give it a try and see.
Ray
------------------------------
Message: 3
Date: Fri, 6 Apr 2007 12:34:07 -0400 (EDT)
From: <m.roth2006@xxxxxxx>
Subject: Re: cron problem
To: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx>
Message-ID: <20070406123407.CAB40348@xxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=us-ascii
>Date: Fri, 6 Apr 2007 09:30:48 -0700
>From: Ray Van Dolson <rvandolson@xxxxxxxx>
>
>> So, now I read oracle's email....
>> Right:
>> cron env is /bin/sh; and my backup script has #!/bin/bash as the first
line, of course, so that's the shell environment.
>>
>> /bin/sh: -c: line 1: syntax error near unexpected token `&'
>> /bin/sh: -c: line 1: `/home/oracle/dbbackup.sh >>
/opt/oracle/backup/backup.log 2>>&1'
>>
>> So it's a syntax error in the crontab entry... but *why*?
>> Ok, just went into Bourne, and it doesn't like 2>>&1. So, a simple
question: won't it toast backup.log if I don't do that as an append -
that is, if I do 2>&1, instead of 2>>&1?
>
>I think it should be alright with 2>&1. You're using >> to append to
>the backup.log previous to that and 2>&1 will just made stderr go to
>stdout...
>
>Give it a try and see.
Thanks. I've just edited oracle's crontab, and we'll see what happens. In
the meantime, waiting for next week, I think I'll do it manually (once
most of the developers have left - this is a test box, btw), and then when
it runs next week, I'll see if the log file remains.
If not, not a biggie.
mark
------------------------------
Message: 4
Date: Fri, 06 Apr 2007 19:51:44 +0300
From: Lord of Gore <lordofgore@xxxxxxxxxxxxxx>
Subject: bdc and qmail-scanner
To: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx>
Message-ID: <46167AA0.5080804@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I have an old machine with qmail on it. Clamdscan took a very long time
to scan files and I wanted to change the av scanner. I went for
bitdefender console. Indeed at a 14MB archive the time was tripled when
using clam.
Now... When qmail receives a mail it sends it to qmail scanner that
parses it and breaks it into a few files in a temporary directory.
When I send an email containing a virus archived with rar it passes the
scanner. Clam worked just fine. Now, for the kicky part:
I tinkered with the qmail-scanner script and changed it to show in
detail what it was doing and came up with the av scanner being called
like this:
<pathto>bdc --all --arc --mail <pathto>tmpdir. (all means all files, arc
means to parse archives and mail to treat files as mail)
Its output shows that there isn't any virus. I got around to make a copy
of the files that emerged after such an operation and issued the *same*
command and bang: the scanner saw the virus.
Now of course a few of you will say there must be a difference. Well
there isn't. I manually modified that script considering that I'm either
stupid, sick or blind and can't see something. It just doesn't perform
the same way. Well now I want to resolve the problem but seem to be
missing a button...
Any thoughts?
10ks
------------------------------
Message: 5
Date: Fri, 6 Apr 2007 22:23:06 -0400
From: "Nilesh Bansal" <nileshbansal@xxxxxxxxx>
Subject: Re: Soliciting Opinions Regarding File Systems
To: "General Red Hat Linux discussion list" <redhat-list@xxxxxxxxxx>
Message-ID:
<f36128690704061923o71a3e4bbia044fbc3d9e55c3b@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=UTF-8; format=flowed
So what is the problem with ext3 (except for the limitation on largest
possible filesystem size). I mean, will I have a difference in read or
write speed/performance of the two filesystems?
thanks
Nilesh
On 4/6/07, m.roth2006@xxxxxxx <m.roth2006@xxxxxxx> wrote:
> >Date: Fri, 6 Apr 2007 09:58:13 -0500
> >From: "Jim Canfield" <jcanfield@xxxxxxxxxxx>
> >
> >Sean McGlynn wrote:
> >>
> >> We are considering what file system to use for an
> >> enterprise deployment of Linux. We're reviewing EXT3,
> >> Reiser, XFS, and JFS. The server will deal with a fair
> >I second XFS. While it's not an enterprise example - I use
> <snip>
> XFS/LVM at
> >home to store all my DVDs (3-5gig files)and have no problems.
> >Considering the file system is a very mature and handles large files
> >well I think it's a no brainer.
>
> I've started a home system on Reiser, since that's what the default is
with SuSE, and I've been *very* pleased, since my wife's (not old!) m/b
looks to be failing (we won't talk about the literal lightening strike on
the house, and the older UPS it was on...), but the damn thing freezes,
sometimes several times a day, sometimes not for days. I can *not* get
her to log off every night, and so she'll have many windows up with OO,
kmail, and konqueror, and when it does freeze, the *only* way out is the
hardware reset switch. She's lost almost nothing, and all the windows
come back up, all documents are recovered, etc.
>
> So, take that as a rather severe test of robustness of Reiser.
>
> mark
>
> --
> redhat-list mailing list
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>
--
Nilesh Bansal.
http://queens.db.toronto.edu/~nilesh/
------------------------------
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