Re: updating a production server

[Jonathan Ben Avraham]

Hi Miki,
It is not good policy to upgrade production servers, ever. I found this
out through many bad experiences of many years. Don't do it, ever.

Instead, use different hardware to make a clean installation. Then migrate
the data using rsync and test the new server at your leisure. When you and
your customer are satisfied that it works, cut over to the new server and
leave the old one around for a month, just in case you forgot something.

If this server belongs to a customer of yours you should inform him of the
dangers of in situ upgrade and insist that he provide different hardware.
Otherwise you risk an unpredictable amout of downtime and unpredicatble
reliability and customer rage.
Regards,

 - yba


On Wed, 3 Mar 2004, Miki Lewinger wrote:

> Hi to everybody. I need help to exorcise some demons. I'm running a mandrake
> 8.2 set on a PIII 450 MHz/256MB RAM server with zero hangs for about 5 years
> now. I use PHP and MYSQL extensively, and wish to use other such packages as
> well that works better on PHP 4.2 and mysql 4.0. The vanilla mandrake comes
> with PHP 4.1/mysql 3.2.3, so, UPGRADE TIME !
>
> Obviously upgrading-by-rpm hangs on dependencies, hence: if I upgrade the
> server with MDK 9.1 or 9.2 CDs, how will my apache, php and mysql config
> files be treated ?
>
> Deep appreciation,
>
> Miki Lewinger
> BGU
>
>
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updating a production server

[Miki Lewinger]

Hi to everybody. I need help to exorcise some demons. I'm running a mandrake
8.2 set on a PIII 450 MHz/256MB RAM server with zero hangs for about 5 years
now. I use PHP and MYSQL extensively, and wish to use other such packages as
well that works better on PHP 4.2 and mysql 4.0. The vanilla mandrake comes
with PHP 4.1/mysql 3.2.3, so, UPGRADE TIME !

Obviously upgrading-by-rpm hangs on dependencies, hence: if I upgrade the
server with MDK 9.1 or 9.2 CDs, how will my apache, php and mysql config
files be treated ?

Deep appreciation,

Miki Lewinger
BGU


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OT : Job Offer

[Amir Tal]

hi all,
 
as most of you know (or not) i migrated to the U.S 
a little more then a year ago, and i now live in
new York.
I've recently started my own business here, and 
along the way i came across a person that used to be a product
manager for a company i used to work for in 
Israel.
 
they are a very successful startup, and 
already raised a considerable amount of cash. they are opening an office 
Manhattan these
days and are looking for someone that specializes 
in IP Phones.
 
the purpose is to find a cheap and efficient way to 
communicate with several offices across the U.S, and in israel.
the solution can certainly be an open source one, 
and its even the preferable one.
 
if you are interested in a project in the U.S, that 
may very well lead to a full time employment opportunity, please 
Email
me offlist to [EMAIL PROTECTED] .
 
thanks,
tal.
 

Re: Recommendation for a compressed file systems

[Gilad Ben-Yossef]

On Tuesday 02 March 2004 03:39, Shlomi Loubaton wrote:
> Does anyone have any recommendations for a compress FS?
> .. besides cloop.
>
> Did anyone ever try SquashFS? how is the performance comparing to
> cloop?

cramfs has proven very useful for me over time. It's also read only, of 
course.

Gilad



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Re: Searching the archive is almost impossible if you don't have the mail in front of your eyes

[Yishay Mor]

How about cross-archiving on http://www.gmane.org/? Would that help?

Ehud Karni wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On Tue, 02 Mar 2004 08:31:05 +0200, Shachar Shemesh <[EMAIL PROTECTED]> wrote:
 

Shaul Karl wrote:

   

On Mon, Mar 01, 2004 at 08:13:01PM +0200, Ehud Karni wrote:

 

  but searching the
archive is almost impossible
   

I fully agree. Can someone do something about that?

 

   if you don't have the mail in front
of your eyes.
   

I usually do a google search. I realize people will want more than that,
and wer'e working on that. If anyone has any experience setting htdig or
whatever up, please give me a private beep.
   

I did google ("Ehud Karni" + mounting) but it did not show it (only
http://www.mail-archive.com/[EMAIL PROTECTED]/msg22641.html ).
"Hamakor" archive has no search engine, and it seems it does not have
this email (it seems to have only 2003 onward).
The HUJI archive, does have a search engine and does find the emails
It works quiet good (so I take back my above remark).
The Weizmann archive also has a search facility, but is somewhat worse
than the HUJI engine. It gives more false positive results (because it
connects subject and authors in the thread with the email).
One remark to www.iglu.org.il maintainer: the "(old messages only)"
should be removed from the Plasma-Gate archive line.
Ehud.

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Yishay Mor
	   http://ioewebserver.ioe.ac.uk/ioe/cms/get.asp?cid=4381&4381_0=7303
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Re: Searching the archive is almost impossible if you don't have the mail in front of your eyes

[Ehud Karni]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Tue, 02 Mar 2004 08:31:05 +0200, Shachar Shemesh <[EMAIL PROTECTED]> wrote:
>
> Shaul Karl wrote:
>
> >On Mon, Mar 01, 2004 at 08:13:01PM +0200, Ehud Karni wrote:
> >
> >>but searching the
> >>archive is almost impossible
> >>
> >  I fully agree. Can someone do something about that?
> >
> >> if you don't have the mail in front
> >>of your eyes.
> >>
> I usually do a google search. I realize people will want more than that,
> and wer'e working on that. If anyone has any experience setting htdig or
> whatever up, please give me a private beep.

I did google ("Ehud Karni" + mounting) but it did not show it (only
http://www.mail-archive.com/[EMAIL PROTECTED]/msg22641.html ).

"Hamakor" archive has no search engine, and it seems it does not have
this email (it seems to have only 2003 onward).

The HUJI archive, does have a search engine and does find the emails
It works quiet good (so I take back my above remark).

The Weizmann archive also has a search facility, but is somewhat worse
than the HUJI engine. It gives more false positive results (because it
connects subject and authors in the thread with the email).

One remark to www.iglu.org.il maintainer: the "(old messages only)"
should be removed from the Plasma-Gate archive line.

Ehud.


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Re: X toolkit that will also work with M$ recomentation

[Yedidyah Bar-David]

On Tue, Mar 02, 2004 at 02:26:23PM +0200, Oded Arbel wrote:
> ביום שלישי 02 מרץ 2004, 13:54, נכתב על ידי Micha Feigin:
> > On Tue, Mar 02, 2004 at 11:09:49AM +0200, Ori Idan wrote:
> 
> > > 2. Qt very easy to use if you use C++ however not free if final
> > > application is not free
> >
> > My main issue with it is that its not free for free programs. 
> 
> There is a native Win32 port of the X11 Qt (which is GPLed) as part of the KDE 
> on Win32 project. I'm not sure how far along are they.

There are few related efforts. Sivan Toledo recently announced he
managed to compile and run lyx/QT on Windows. Details at

Note that this talks about the X11 version of QT, so you'll need an
X server (and probably much of cygwin), quite far from the single
executable you want. But it's useful for some uses - mostly porting,
not development when you can choose something else.
-- 
Didi


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Re: X toolkit that will also work with M$ recomentation

[Ilan Finci]

We use the FOX toolkit for applications that should run on both linux 
and windows.

I cannot say how easy it is, or how well it is, but the application are 
portable without problems.

Bye,
Ilan
on 03/02/04 14:26 Oded Arbel said the following:
ביום שלישי 02 מרץ 2004, 13:54, נכתב על ידי Micha Feigin:

On Tue, Mar 02, 2004 at 11:09:49AM +0200, Ori Idan wrote:


2. Qt very easy to use if you use C++ however not free if final
application is not free
My main issue with it is that its not free for free programs. 


There is a native Win32 port of the X11 Qt (which is GPLed) as part of the KDE 
on Win32 project. I'm not sure how far along are they.



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Re: NFS, AFS or is there something else?

[Oded Arbel]

ביום שני 01 מרץ 2004, 21:07, נכתב על ידי Yedidyah Bar-David:
> > All of these led me to the idea of trying to use another protocol.
> > Maybe AFS.
> > Now I have two questions:
> > 1. Do you have any experience with AFS (especially Linux, Solaris &
> > HP/UX), and what do you think of it?
> > 2. Do you know any other replacements for NFS? I know that there are
> > CodaFS, and Intermezzo, but as far as I understood, they work only on
> > linux. One of the issues I have, is having Sun's and HP's support.

I've played with Coda a bit not along time ago. its very nice and AFAIK 
supports most OSs (I personnaly used only Linux and Windows). its main 
benefit over AFS is disconnected operation, IIUC, which might or might not be 
important to you.

-- 
Oded

::..
The reign of homo politico has begun.

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Re: X toolkit that will also work with M$ recomentation

[Oded Arbel]

ביום שלישי 02 מרץ 2004, 13:54, נכתב על ידי Micha Feigin:
> On Tue, Mar 02, 2004 at 11:09:49AM +0200, Ori Idan wrote:

> > 2. Qt very easy to use if you use C++ however not free if final
> > application is not free
>
> My main issue with it is that its not free for free programs. 

There is a native Win32 port of the X11 Qt (which is GPLed) as part of the KDE 
on Win32 project. I'm not sure how far along are they.

-- 
Oded

::..
What no spouse of a writer can ever understand is that a writer is working 
when he's staring out the window.

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Re: X toolkit that will also work with M$ recomentation

[Micha Feigin]

On Tue, Mar 02, 2004 at 11:09:49AM +0200, Ori Idan wrote:
> There are many:
> 1. GTK+  C based library works in both Linux and Windows, tried only the 
> Linux version, very easy to use.

I looked into that. It looks like a good platform under linux. Under
windows there seem to be three issues, first I heard that there are
occasional stability problems and second is that it runs its own
widgets (that can be either good or bad, depending on how you look at
it). Third is that you need to install the libraries (although there is
an installer), don't know if programs can be statically linked.

I haven't tried it yet. I will look into it after wxWidgets and see how
it compares.

> 2. Qt very easy to use if you use C++ however not free if final 
> application is not free

My main issue with it is that its not free for free programs. IIRC
under linux you can use it as wither gpl or I don't remember the other
license name, but under windows IIRC version 2 is free for free
software, I think version 3 is no longer so.

> 3. wxWidgets (formerly wxWindows) Did not try it but heard that it is 
> very similar to MFC
> 

I started to look into it. It does feel like a somewhat simpler version
of mfc, and at least for the graphic part it looks rather nice to work
with. It also has some non gui stuff that makes it much easier to port
programs (networking, files, etc.)

I still need to work with it a bit further to see how happy I am with
it but I like the fact that it uses native widgets on different
platforms and the modified lgpl license that lets you use it for just
about whatever you want.

I still need to see about efficiency and support for plplot and pgplot
(any experience with that anyone?)



Fltk also looks rather promising and allows for static linking.

It also uses a liberal license which allows also using it in closed
source programs.

BTW, to avoid flaming, I do support open software, I just think that it
helps to learn something that can be used later if I need to write
something in a work place, instead of having to learn another toolkit.

> Tell us which one you used finaly...
> 

I have a few projects currently so I don't have a lot of time, but I will
try to post an update to compare experiences for the archive.

> --
> Ori Idan
> 
> Micha Feigin wrote:
> 
> >Hello,
> >
> >I was asked to write a small program with a simple gui for someone for
> >some uni project.
> >
> >I need to do this for windows, and since I rarely work with windows
> >nowadays, and I was planning on learning some gui toolkit anyway, I was
> >wondering what X toolkits will also port natively to windows and easy
> >enough to work with? I would rather not work with msdn for this (I have
> >access to visual studio for native compiles though).
> >
> >The final executable should be standalone without external
> >dependencies, which probably kind of rules out java, tcl/tk etc (it can
> >use libraries in the same directory, but preferably not system wide
> >installation, which I think still leaves the choice of cygwin, although
> >I don't have any experience with that).
> >
> >Its not going to be anything commercial, just some tool to do some test
> >for a thesis work, so anything with a personal use/gpl/whatever free
> >for non-profit license should be ok.
> >
> >=
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> >
> > 
> >
> 
> 
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> +++
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Re: X toolkit that will also work with M$ recomentation (fwd)

[Gabor Szabo]

On Tue, 2 Mar 2004, Ori Idan wrote:

> There are many:
> 1. GTK+  C based library works in both Linux and Windows, tried only the
> Linux version, very easy to use.

Dov Grobgeld just gave a presentation about the Perl binding of
GTK+ on the recent Perl Conference. His slides are here:
http://imagic.weizmann.ac.il/~dov/lectures/yapc-2004-perl-gtk2/

Gabor

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Re: X toolkit that will also work with M$ recomentation

[Ori Idan]

There are many:
1. GTK+  C based library works in both Linux and Windows, tried only the 
Linux version, very easy to use.
2. Qt very easy to use if you use C++ however not free if final 
application is not free
3. wxWidgets (formerly wxWindows) Did not try it but heard that it is 
very similar to MFC

Tell us which one you used finaly...

--
Ori Idan
Micha Feigin wrote:

Hello,

I was asked to write a small program with a simple gui for someone for
some uni project.
I need to do this for windows, and since I rarely work with windows
nowadays, and I was planning on learning some gui toolkit anyway, I was
wondering what X toolkits will also port natively to windows and easy
enough to work with? I would rather not work with msdn for this (I have
access to visual studio for native compiles though).
The final executable should be standalone without external
dependencies, which probably kind of rules out java, tcl/tk etc (it can
use libraries in the same directory, but preferably not system wide
installation, which I think still leaves the choice of cygwin, although
I don't have any experience with that).
Its not going to be anything commercial, just some tool to do some test
for a thesis work, so anything with a personal use/gpl/whatever free
for non-profit license should be ok.
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Re: Recommendation for a compressed file systems

[Dovix]

http://e2compr.sourceforge.net/
 
I'd be happy to hear about your experiences, this is one of those things I really miss 
in modern OSes...
 
(e.g. for ensuring /var or document directories are always compressed...)

Shlomi Loubaton <[EMAIL PROTECTED]> wrote:

Does anyone have any recommendations for a compress FS?
. besides cloop.

Did anyone ever try SquashFS? how is the performance comparing to cloop?

Are there any Read/Write compressed filesystems for Linux?
The two i mentioned above are read only.


Regards,
Shlomi Loubaton.

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Re: Recommendation for a compressed file systems

[Matan Ziv-Av]

On Tue, 2 Mar 2004, Shlomi Loubaton wrote:

> 
> Does anyone have any recommendations for a compress FS?
> .. besides cloop.
> 
> Did anyone ever try SquashFS? how is the performance comparing to cloop?
> 
> Are there any Read/Write compressed filesystems for Linux?
> The two i mentioned above are read only.

There is ext2 compression extension at 
http://sourceforge.net/projects/e2compr/

Not yet ported to 2.6, as far as I can tell. 

-- 
Matan Ziv-Av. [EMAIL PROTECTED]


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