[opensuse] synchronizing 2 folders

[Hans Linux]

I need to synchronize the content of folders. Lets say I have 2 folders :

- /home/hans/folder1
- /home/hans/folder2

Everytime I change something in folder1 like remove a file, create a
file etc, folder2 will automatically be synchronized at once. how do i
do that?
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Re: [opensuse] synchronizing 2 folders

[Fajar Priyanto]

On Friday 22 June 2007 09:59, Hans Linux wrote:
> I need to synchronize the content of folders. Lets say I have 2 folders :
>
> - /home/hans/folder1
> - /home/hans/folder2
>
> Everytime I change something in folder1 like remove a file, create a
> file etc, folder2 will automatically be synchronized at once. how do i
> do that?

Hello Hans,
It depends on what you really want to achieve by "synchronize".
1. If you just want to make an 'impression' that anything happens in folder1 
will be 'synchronized' instantly to folder2, then you can mount --bind 
folder1 to folder2:
mount --bind /home/hans/folder1 /home/hans/folder2

2. But if you want to provide a backup function too, so that if anything 
happens in folder1, there is a backup available in folder2, you can use 
rsync:
rsync -a /home/hans/folder1 /home/hans/folder2
And put that command in crontab for to be running say.. 3 minutes.

HTH,
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Re: [opensuse] synchronizing 2 folders

[jpff]

> "Hans" == Hans Linux <[EMAIL PROTECTED]> writes:

 Hans> I need to synchronize the content of folders. Lets say I have 2 folders :
 Hans> - /home/hans/folder1
 Hans> - /home/hans/folder2

 Hans> Everytime I change something in folder1 like remove a file, create a
 Hans> file etc, folder2 will automatically be synchronized at once. how do i
 Hans> do that?

You could run the command
rsync -auHv --delete /home/hans/folder1 /home/hans/folder2
every minute or so from a cronjob, or even continuously in a loop?

==John ffitch
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Re: [opensuse] synchronizing 2 folders

[Carlos E. R.]

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The Friday 2007-06-22 at 12:53 +0700, Fajar Priyanto wrote:

> 2. But if you want to provide a backup function too, so that if anything 
> happens in folder1, there is a backup available in folder2, you can use 
> rsync:
> rsync -a /home/hans/folder1 /home/hans/folder2

And --del

> And put that command in crontab for to be running say.. 3 minutes.

I wonder if there would be an easy way using 'famd' instead.

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Cheers,
   Carlos E. R.
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Re: [opensuse] synchronizing 2 folders

[James Knott]

Hans Linux wrote:
> I need to synchronize the content of folders. Lets say I have 2 folders :
>
> - /home/hans/folder1
> - /home/hans/folder2
>
> Everytime I change something in folder1 like remove a file, create a
> file etc, folder2 will automatically be synchronized at once. how do i
> do that?
>   
You could create a link from one folder to the other.  That way, you
have one folder appearing as two.

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Re: [opensuse] synchronizing 2 folders

[Carlos E. R.]

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The Friday 2007-06-22 at 07:27 -0400, James Knott wrote:

> Carlos E. R. wrote:
> >
> > > And put that command in crontab for to be running say.. 3 minutes.
> >
> > I wonder if there would be an easy way using 'famd' instead.
> >
> What's "famd"?

RTFM ;-)

Sorry, couldn't resist. O:-)

] DESCRIPTION
]
] FAM, the File Alteration Monitor, is a subsystem that applications 
]   can use to be notified when specific files or directories are changed.  
]   It is intended as a replacement for mechanisms such as poll and 
]   select.
]
]   FAM comes in two parts: famd, the daemon that listens for requests 
]   and provides notifications, and libfam a library that client 
]   applications can use to communicate with FAM.  For further information 
]   on libfam, see the fam(3) manual page.

It is running on suse systems by default.

- -- 
Cheers,
   Carlos E. R.
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Re: [opensuse] synchronizing 2 folders

[James Knott]

Carlos E. R. wrote:
>
> > And put that command in crontab for to be running say.. 3 minutes.
>
> I wonder if there would be an easy way using 'famd' instead.
>
What's "famd"?
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Re: [opensuse] synchronizing 2 folders

[John O'Gorman]

On Fri, 2007-06-22 at 13:46 +0200, Carlos E. R. wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
> 
> 
> The Friday 2007-06-22 at 07:27 -0400, James Knott wrote:
> 
> > Carlos E. R. wrote:
> > >
> > > > And put that command in crontab for to be running say.. 3 minutes.
> > >
> > > I wonder if there would be an easy way using 'famd' instead.
> > >
> > What's "famd"?
> 
> RTFM ;-)
> 
> Sorry, couldn't resist. O:-)
> 
> ] DESCRIPTION
> ]
> ] FAM, the File Alteration Monitor, is a subsystem that applications 
> ]   can use to be notified when specific files or directories are changed.  
> ]   It is intended as a replacement for mechanisms such as poll and 
> ]   select.
> ]
> ]   FAM comes in two parts: famd, the daemon that listens for requests 
> ]   and provides notifications, and libfam a library that client 
> ]   applications can use to communicate with FAM.  For further information 
> ]   on libfam, see the fam(3) manual page.
> 
> It is running on suse systems by default.
Not on my OpenSUSE 10.2

I'd never heard of it before. I checked and found you man page.
But no output from the command: ps -e | grep fam 

John O'Gorman
> 
> - -- 
> Cheers,
>Carlos E. R.
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Re: [opensuse] synchronizing 2 folders

[Mike McMullin]

On Fri, 2007-06-22 at 07:27 -0400, James Knott wrote:
> Carlos E. R. wrote:
> >
> > > And put that command in crontab for to be running say.. 3 minutes.
> >
> > I wonder if there would be an easy way using 'famd' instead.
> >
> What's "famd"?

  File Access Monitoring Daemon?  IIRC it's been discussed on the list a
few times.

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Re: [opensuse] synchronizing 2 folders

[Richard Bos]

Op vrijdag 22 juni 2007 04:59, schreef Hans Linux:
> I need to synchronize the content of folders. Lets say I have 2 folders :
>
> - /home/hans/folder1
> - /home/hans/folder2
>
> Everytime I change something in folder1 like remove a file, create a
> file etc, folder2 will automatically be synchronized at once. how do i
> do that?

Perhaps unison:
http://www.cis.upenn.edu/~bcpierce/unison/

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Richard Bos
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Re: [opensuse] synchronizing 2 folders

[Carlos E. R.]

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The Sunday 2007-06-24 at 11:24 +0200, Richard Bos wrote:

> Op vrijdag 22 juni 2007 04:59, schreef Hans Linux:
...
> > Everytime I change something in folder1 like remove a file, create a
> > file etc, folder2 will automatically be synchronized at once. how do i
> > do that?
> 
> Perhaps unison:
> http://www.cis.upenn.edu/~bcpierce/unison/

It comes with the distro. But it is not automatic, AFAIK.

- -- 
Cheers,
   Carlos E. R.
El 2007-06-24 a las 11:24 +0200, Richard Bos escribió:
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