Re: ide hotswap raid fileservers

2002-02-22 Thread Nicolas Bouthors

Frank Nijenhuis said :
  I came accros a nice 19 rack with space for 16 hot spare ide brackets, 
  the server would contain an asus serverboard 

Who sells this rack ?

Thanks,
Nicolas Bouthors

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Stupid question maybe.

2002-01-30 Thread Nicolas Bouthors

Hi,

Here is my trouble : I'm working on machine A and I want to 'rsync' some
files to machine C. Machine C is on another (private) net,
unreachable from machine A.

Machine B is in the between and is only reachable by ssh. 

So if I want to rsync from A to B, rsync -e ssh /some/dir B:/some/dir is
enough, but what should I do to go straight fro A to C ? 

Thanks,

Nico

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Re: Stupid question maybe.

2002-01-30 Thread Nicolas Bouthors

Jason Lim said :
  Perhaps use B to bridge the two ethernet segments so that they can
  communicate, so you can connection from A to C directly?

Mmmm no.

I guess I have to describe more the situation : A is here, and is
behind a firewall/NATing gateway. I work on it. B is hosted $FAR_AWAY
and has a public IP. C is hosted in the same $FAR_AWAY location but is
behind B, acting as firewall for it.

C is therefore invisible from anywhere, except for B.

Here is how it looks :

 A--GW+NAT---Internet---B-C
192.168.x.y   ^^  10.0.0.x
 Public IP #1 Public IP #2



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Re: Stupid question maybe.

2002-01-30 Thread Nicolas Bouthors

Jason Lim said :
  Do you WANT C to be invisible from outside, for security or something? 

Yes you got the point.
 
  Is there a reason you want to go through B to get to C?

That's the only path

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Re: redundant mail servers

2002-01-25 Thread Nicolas Bouthors

Florian Friesdorf said :
  Is it possible (case 1) to mount one ext2 partition on two computers at
  the same time?

No. Mounting may modify the superblock, and confuse the other machine
suffisently for it to crash and leave the FS in an unexpected state. 

  Well, there is another one - I've only 15 days left to set it up.

Mmmm. Good luck :-).

I'm doing that kind of stuff here whith DRBD[1] and heartbeat[2]. The main
difference is that we have only one server active at a given time and
the data is always synchronised.

If you have the cash, you can also look for a GFS or OpenGFS[3] compatible
storage hardware. This is the ultimate trick to solve your problem, but
it gets quite expensive...

Nicolas

[1] : URL:http://www.complang.tuwien.ac.at/reisner/drbd/
[2] : URL:http://www.linux-ha.org/
[3] : URL:http://www.opengfs.org/

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Re: redundant mail servers

2002-01-25 Thread Nicolas Bouthors

Florian Friesdorf said :
  I just read through the drbd homepage and HOWTO. Sounds very good to
  me.  Can you recommend it?  Did anyone experience any strange/bad
  behaviour using it?

Well I do. Here we have a failover 2-node cluster serving NFS over DRBD
and (surprisingly) it works like a charm. I guess it would be no major
hassle to setup a mailserver in the same fashion...

A few caveats though :
  - Use a dedicated ethernet link for replication
- Imagine and plan every possible failure cases and create a backup
plan for each.

  From what I've read, I'm going to try last stable version 0.5.8 and
  therefore downgrade to 2.2.x kernels (at the moment I'm running 2.4.x)

I'm using 0.58 here (because we *had* to use 2.2), and it works, but
Phillip Reisner (DRBD's Author) strongly suggest upgrading. And I
believe he's right. Whith 0.58 you might have very weird problems if the
sync link goes down. It is said that 0.6.* are better... Didn't check.

Nicolas

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Re: MicroATX Motherboard with 1.5-2GB Ram?

2001-12-21 Thread Nicolas Bouthors

  That would only work if the board supported 1G sticks. As far as I can
  see, most only support 512M sticks, meaning 512M x 2. One of the only
  integrated chipsets I know to support the most RAM is the SiS7xx ones
  which support 1.5G and 3 sticks. Obviously they intended (and thus is the
  limit) for you to use 512M x 3 to achieve that. Since the manufacturers
  only include 2 slots... well, you get the picture :-/

I once was also looking for the perfect mobo.
This URL helped me a lot :
http://iceberg.pchomeworld.com/cgi-win/mobotGen/mobot.asp

(be careful, it seems their database is outdated now)

Nico

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Re: MicroATX Motherboard with 1.5-2GB Ram?

2001-12-21 Thread Nicolas Bouthors
  That would only work if the board supported 1G sticks. As far as I can
  see, most only support 512M sticks, meaning 512M x 2. One of the only
  integrated chipsets I know to support the most RAM is the SiS7xx ones
  which support 1.5G and 3 sticks. Obviously they intended (and thus is the
  limit) for you to use 512M x 3 to achieve that. Since the manufacturers
  only include 2 slots... well, you get the picture :-/

I once was also looking for the perfect mobo.
This URL helped me a lot :
http://iceberg.pchomeworld.com/cgi-win/mobotGen/mobot.asp

(be careful, it seems their database is outdated now)

Nico

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Postgres graphing.

2001-12-12 Thread Nicolas Bouthors

Sorry to be a little off topic.

I'm looking for a tool that would connect to a postgres base, list the
tables/constraints of it and make a nice .jpeg file showing the data model
out of it. All this would be automagical off course...

Does such a beast exists ? Anything near ?

Nico

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Postgres graphing.

2001-12-12 Thread Nicolas Bouthors
Sorry to be a little off topic.

I'm looking for a tool that would connect to a postgres base, list the
tables/constraints of it and make a nice .jpeg file showing the data model
out of it. All this would be automagical off course...

Does such a beast exists ? Anything near ?

Nico

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Re: [OT] Dreamweaver + CVS

2001-11-07 Thread Nicolas Bouthors
 Maybe something out of here could help you for dav and CVS?
 http://www.cvshome.org/docs/infodav.html

Yeah, I already found that, but this is not quite descriptive.
What I was looking for is someone that has already done it and could avoid
me some of the pitfalls during my tests...

Yours,
Nico





[OT] Dreamweaver + CVS

2001-11-06 Thread Nicolas Bouthors

Hi !
Sorry, this is not completly debian related but someone here has probably
already done what I'm trying to.

We are looking for a way to develop our websites using CVS for version
control. The problem is that it seems dreamveaver cannot talk to a CVS
server directly. So I looked around and I found that there is a way to tell
Dreamweaver to store files in a dav server (with mod_dav) and to configure
mod_dav so that the real storage is done in a CVS tree...

My problem is that I cannot find much documentation on how to do that
(interconnecting dav and CVS).

Did anybody do it before ?
Any docs around ?

Thanks,
Nico

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[OT] Dreamweaver + CVS

2001-11-06 Thread Nicolas Bouthors
Hi !
Sorry, this is not completly debian related but someone here has probably
already done what I'm trying to.

We are looking for a way to develop our websites using CVS for version
control. The problem is that it seems dreamveaver cannot talk to a CVS
server directly. So I looked around and I found that there is a way to tell
Dreamweaver to store files in a dav server (with mod_dav) and to configure
mod_dav so that the real storage is done in a CVS tree...

My problem is that I cannot find much documentation on how to do that
(interconnecting dav and CVS).

Did anybody do it before ?
Any docs around ?

Thanks,
Nico

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Log analyser for general use ?

2001-08-29 Thread Nicolas Bouthors

Hi,

I'm looking for a program that would allow the watching of logfiles (mainly 
syslog), and could choose to perfom an action (like sending a mail or other) 
when a certain line/sequence appears in the files.

Idealy it would be easily configurable through regexps, run as a daemon and 
be able to watch any number of log files...

I already found about 
  - Logsurfer (http://www.cert.dfn.de/eng/logsurf/)
  - Swatch (http://oit.ucsb.edu/~eta/swatch/)
  - and many other restricted to *webserver* logs (which is not what I want)

Any other idea/suggestion apreciated.

Thanks,
Nico


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Re: SMTP commands

2001-08-29 Thread Nicolas Bouthors

Le Mercredi 29 Août 2001 15:25, Paul Casey a écrit :
 I am looking for a website or some kind of reference site where i can find
 the commands used while Telneted into a SMTP port.

http://www.faqs.org/rfcs/rfc821.html

See section 4.1

Nico


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