Re: [Haifux] Open Source Graphic Design - Discussion

2016-01-23 Thread Maxim Kovgan
 Open Source solutions out there are not as goodas
> Adobe products, so nobody uses them.
>
> I was sitting in my regular hangout cafe today and a guy walked in, opened
> his laptop and started to work on Graphic Design - and he was using GIMP,
> Darkroom and UFRaw - on Ubuntu. I started talking to him and he said he is a
> student from Germany and he uses Ubuntu and Open Source because he has no
> money  and these are good enough for what he needs. That he doesn't feel the
> need to use Adobe products and, this way, he says, he will be able to give
> his future clients lower rates.
>
> The biggest problem in Israel, as I see it,  is that very few freelance
> designers actually buy the Adobe Suite they use and if the want to work at
> any design shop they are required to use Adobe products exclusively.
>
> So, why would they even bother to study GIMP and other FLOSS programs?!
>
> My friend says that the only way to change this, is if design shops will
> require knowledge of Free Software - then Design Schools (like Tiltan) will
> start teaching Graphic Design using FLOSS
>
> Clearly, a vicious circle...
>
> I'd like to hold a Round Table meeting with FLOSS Graphic Designers and
> Non-FLOSS Graphic Designers (i.e. Adobe users) and Graphic Design Teachers
> to discuss ways to introduce FLOSS solutions to the Graphic Design field in
> Israel.
>
> Thought / pointers/ etc. welcome!
>
> Amichai Rotman
>
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Re: [Haifux] Reporting forum spammers per IP

2013-09-21 Thread Maxim Kovgan
I'd second Orna's approach, with a refinement:

   - IP range ban should be temporarily
   - only select eu/us/ca ISPs' abuse teams should be contacted.

Also, worth mentioning:
I've just snooped around for python IP ownership lookups (via RIRs DBs) and
found no 1 tool for this.
It is strange, maybe people approach this problem differently ?
Like a fail2ban hook maybe ? (http://www.fail2ban.org/wiki/index.php/Apache)

Regards.




On Thu, Sep 19, 2013 at 5:24 PM, Eli Billauer  wrote:

> **
>
> Hi all,
>
> I'm running a little phpBB forum, which is being bomarded by attempts to
> submit spam posts. I've solved the core problem already (i.e. preventing
> the spamming itself and the flood of new users) down to zero, but I've
> noticed a huge amount of attempts -- I'm at ~800,000 hits per month, and
> it's not getting any better.
>
> It's quite easy to tell a spammer's IP watching the HTTP logs, so it's not
> a big deal to write a simple script and find the offending IPs, and block
> the worst of them individually. In fact, I've already done that.
>
> But now I want revenge: I'd like to make the spammers' hosting providers
> aware of their user activity. Is there any convention on how to
> automatically track down who should be contacted for each and every IP? Or
> maybe some database, where hosting providers are really looking?
>
> I expect some dozens of these every month. So an automated reporting
> method should be possible.
>
> Thanks in advance,
>Eli
>
>  --
> Web: http://www.billauer.co.il
>
>
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Re: [Haifux] Please upvote and add a comment for http://www.haifux.org/ on Stumble Upon

2013-01-19 Thread Maxim Kovgan
How one presents a foundation expenses paid by a private person in the
annual report ?
If there is a bank account, the only thing to add to that is to print
the receipt/invoice, and add a line.
Is it more complicated ?
If not, I'd think of funds raising for a project (h/w purchase, for
example): it would be legally feasible.
otherwise - a real fuss.








On Sat, Jan 19, 2013 at 6:42 PM, Eli Billauer  wrote:
> On 01/19/2013 06:30 PM, Orna Agmon Ben-Yehuda wrote:
>
> Eli volunteered to pay this sum even if nobody else does, but I think we
> should divide the costs among us, if only for the feeling of a mutual deed.
> It does not have to be divided equally, we are not going to set up a
> collection system, but something is better than nothing.
>
> Thanks for the offer, but the more I think about it, $45/year is not a sum
> that is worth the fuss. I mean, the accumulating annual fuel expenses for
> showing up to the meetings are in the same order of magnitude.
>
> Besides, I saved some 300 NIS incidentally lately, on a completely unrelated
> matter, so let's say it evens out, at least for this year.
>
> Eli



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Re: [Haifux] Please upvote and add a comment for http://www.haifux.org/ on Stumble Upon

2013-01-19 Thread Maxim Kovgan
Sorry, I meant flattr.com micropayments.



On Sat, Jan 19, 2013 at 6:24 PM, Maxim Kovgan  wrote:

> voting is cool, how about flatter ?
>
>
> On Sat, Jan 19, 2013 at 6:19 PM, Shlomi Fish wrote:
>
>> Hi all,
>>
>> Stumble Upon is a WWW service that allows you to recommend sites and
>> individual
>> pages to other people, comment on them, and to find such new and
>> interesting
>> pages on the web.
>>
>> Haifux has a page for it at:
>>
>> * http://www.stumbleupon.com/content/1Z4hjL
>>
>> I recently upvoted it, and commented on it, and you should too.
>>
>> Here are some related resources:
>>
>> * http://en.wikipedia.org/wiki/StumbleUpon
>>
>> * https://addons.mozilla.org/en-us/firefox/addon/stumbleupon/ - Firefox
>> addon.
>>
>> * http://www.stumbleupon.com/blog/su_chrome_extension/ - Google
>> Chromium/Chrome
>> extension.
>>
>> * http://www.stumbleupon.com/home - home page.
>>
>> Regards,
>>
>> Shlomi Fish
>>
>> --
>> -
>> Shlomi Fish   http://www.shlomifish.org/
>> Funny Anti-Terrorism Story - http://shlom.in/enemy
>>
>> Chuck Norris does not code; when he sits at a computer, it just does
>> whatever
>> he wants. — Kattana on Freenode’s #perl6 .
>>
>> Please reply to list if it's a mailing list post - http://shlom.in/reply.
>>
>> ___
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>
>
>
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>



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Re: [Haifux] Please upvote and add a comment for http://www.haifux.org/ on Stumble Upon

2013-01-19 Thread Maxim Kovgan
voting is cool, how about flatter ?


On Sat, Jan 19, 2013 at 6:19 PM, Shlomi Fish  wrote:

> Hi all,
>
> Stumble Upon is a WWW service that allows you to recommend sites and
> individual
> pages to other people, comment on them, and to find such new and
> interesting
> pages on the web.
>
> Haifux has a page for it at:
>
> * http://www.stumbleupon.com/content/1Z4hjL
>
> I recently upvoted it, and commented on it, and you should too.
>
> Here are some related resources:
>
> * http://en.wikipedia.org/wiki/StumbleUpon
>
> * https://addons.mozilla.org/en-us/firefox/addon/stumbleupon/ - Firefox
> addon.
>
> * http://www.stumbleupon.com/blog/su_chrome_extension/ - Google
> Chromium/Chrome
> extension.
>
> * http://www.stumbleupon.com/home - home page.
>
> Regards,
>
> Shlomi Fish
>
> --
> -
> Shlomi Fish   http://www.shlomifish.org/
> Funny Anti-Terrorism Story - http://shlom.in/enemy
>
> Chuck Norris does not code; when he sits at a computer, it just does
> whatever
> he wants. — Kattana on Freenode’s #perl6 .
>
> Please reply to list if it's a mailing list post - http://shlom.in/reply .
>
> _______
> Haifux mailing list
> Haifux@haifux.org
> http://haifux.org/mailman/listinfo/haifux
>



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Re: [Haifux] OT: Open CVS/SVN servers

2012-05-10 Thread Maxim Kovgan
There are many ways to make server reliant software to be less server
reliant.
But this is you, trying to implement a non-server-reliant software by hand.
IF you're coming to that, ... IMHO it is reinventing of the wheel.




On Thu, May 10, 2012 at 5:56 PM, Daniel Shahaf wrote:

> Nadav Har'El wrote on Thu, May 10, 2012 at 17:08:36 +0300:
> > * When you don't trust the server - and fear one day it will disappear
> >   or even become malicious (trying to fake the content of the files or
> >   their history), git is better because each person will have his own
> complete
> >   copy of the history.
>
> When you don't trust a server, and the server uses svn, you can keep an
> svnsync mirror of it at a location under your control.
>
> svnsync transfers new revisions as binary diffs against past revisions;
> past revisions are immutable.
>



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Re: [Haifux] OT: Open CVS/SVN servers

2012-05-02 Thread Maxim Kovgan
which is true about any {d,r}ecent distributed version control.




On Wed, May 2, 2012 at 3:24 PM, Ohad Lutzky  wrote:

> Git has the advantage of allowing you to commit changes and view history
> offline. It isn't much more complex to use than SVN. I highly recommend
> giving it a try.
> On May 1, 2012 10:22 PM, "Orr Dunkelman"  wrote:
>
>> For LaTeX support SVN works just fine ;)
>>
>> On Tue, May 1, 2012 at 9:41 PM, Maxim Kovgan  wrote:
>>
>>> hi, Orr!
>>> Consider obsoleting svn.
>>> mercurial (or git) are much more fun and possibilities.
>>>
>>>
>>> On Tue, May 1, 2012 at 8:53 PM, Orr Dunkelman 
>>> wrote:
>>>
>>>> Thanks everyone for the links and ideas.
>>>>
>>>> The repo is to be private, so I think I will go with bitbucket.
>>>>
>>>> Cheers,
>>>>
>>>>
>>>> On Tue, May 1, 2012 at 8:00 PM, Shlomi Fish wrote:
>>>>
>>>>> Hi Orr,
>>>>>
>>>>> On Tue, 1 May 2012 14:07:23 +0300
>>>>> Orr Dunkelman  wrote:
>>>>>
>>>>> > Hi everybody,
>>>>> >
>>>>> > I was wondering whether anyone is aware of open CVS/SVN servers that
>>>>> allow
>>>>> > users to open a small repository.
>>>>> >
>>>>> > The project I have in mind is actually a LaTeX project, and not an
>>>>> open
>>>>> > source one, so not much space is needed.
>>>>> >
>>>>> > Support of 4 users is needed, not much storage (LaTeX files, after
>>>>> all),
>>>>> > and of course, availability (but the project would end in a year or
>>>>> two, so
>>>>> > I am not looking for something that would stay forever).
>>>>> >
>>>>>
>>>>> Do you want the repository to be public (i.e: that everyone in the
>>>>> world will
>>>>> be able to read it) or do you want a private repository (which has a
>>>>> restricted read access)? One can easily set up a public
>>>>> Subversion repository on Google Code ( http://code.google.com/ ) -
>>>>> one needs
>>>>> to have a Google account, but your projects gets accepted immediately.
>>>>> Note
>>>>> that there are some limitations on the licence (to avoid the licence
>>>>> proliferation problem). There's also http://projectlocker.com/ which
>>>>> gives one
>>>>> private 200 MB repository for 2 users for free.
>>>>>
>>>>> Aside from those, there is http://sourceforge.net/ and
>>>>> http://developer.berlios.de/ , but these may require more red tape.
>>>>>
>>>>> Muli mentioned Bitbucket.org, and for completeness sake there's also
>>>>> http://github.com/ and http://gitorious.org/ , but these are Git-only
>>>>> (though
>>>>> Mercurial can work against a git remote).
>>>>>
>>>>> Regards,
>>>>>
>>>>>Shlomi Fish
>>>>>
>>>>> --
>>>>> -
>>>>> Shlomi Fish   http://www.shlomifish.org/
>>>>> "The Human Hacking Field Guide" - http://shlom.in/hhfg
>>>>>
>>>>> I invented the term Object‐Oriented, and I can tell you I did not have
>>>>> C++ in
>>>>> mind.  — Alan Kay (Attributed)
>>>>>
>>>>> Please reply to list if it's a mailing list post -
>>>>> http://shlom.in/reply .
>>>>> ___
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>>>>> Haifux@haifux.org
>>>>> http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Orr Dunkelman,
>>>> orr.dunkel...@gmail.com
>>>>
>>>> ___
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>>>>
>>>>
>>>
>>>
>>> --
>>> Maxim Kovgan
>>>
>>
>>
>>
>> --
>> Orr Dunkelman,
>> orr.dunkel...@gmail.com
>>
>> ___
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>>
>>


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Re: [Haifux] OT: Open CVS/SVN servers

2012-05-01 Thread Maxim Kovgan
hi, Orr!
Consider obsoleting svn.
mercurial (or git) are much more fun and possibilities.


On Tue, May 1, 2012 at 8:53 PM, Orr Dunkelman wrote:

> Thanks everyone for the links and ideas.
>
> The repo is to be private, so I think I will go with bitbucket.
>
> Cheers,
>
>
> On Tue, May 1, 2012 at 8:00 PM, Shlomi Fish wrote:
>
>> Hi Orr,
>>
>> On Tue, 1 May 2012 14:07:23 +0300
>> Orr Dunkelman  wrote:
>>
>> > Hi everybody,
>> >
>> > I was wondering whether anyone is aware of open CVS/SVN servers that
>> allow
>> > users to open a small repository.
>> >
>> > The project I have in mind is actually a LaTeX project, and not an open
>> > source one, so not much space is needed.
>> >
>> > Support of 4 users is needed, not much storage (LaTeX files, after all),
>> > and of course, availability (but the project would end in a year or
>> two, so
>> > I am not looking for something that would stay forever).
>> >
>>
>> Do you want the repository to be public (i.e: that everyone in the world
>> will
>> be able to read it) or do you want a private repository (which has a
>> restricted read access)? One can easily set up a public
>> Subversion repository on Google Code ( http://code.google.com/ ) - one
>> needs
>> to have a Google account, but your projects gets accepted immediately.
>> Note
>> that there are some limitations on the licence (to avoid the licence
>> proliferation problem). There's also http://projectlocker.com/ which
>> gives one
>> private 200 MB repository for 2 users for free.
>>
>> Aside from those, there is http://sourceforge.net/ and
>> http://developer.berlios.de/ , but these may require more red tape.
>>
>> Muli mentioned Bitbucket.org, and for completeness sake there's also
>> http://github.com/ and http://gitorious.org/ , but these are Git-only
>> (though
>> Mercurial can work against a git remote).
>>
>> Regards,
>>
>>Shlomi Fish
>>
>> --
>> -
>> Shlomi Fish   http://www.shlomifish.org/
>> "The Human Hacking Field Guide" - http://shlom.in/hhfg
>>
>> I invented the term Object‐Oriented, and I can tell you I did not have
>> C++ in
>> mind.  — Alan Kay (Attributed)
>>
>> Please reply to list if it's a mailing list post - http://shlom.in/reply.
>> ___
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>> Haifux@haifux.org
>> http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>>
>
>
>
> --
> Orr Dunkelman,
> orr.dunkel...@gmail.com
>
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>


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Re: [Haifux] OT: Open CVS/SVN servers

2012-05-01 Thread Maxim Kovgan
bitbucket, which is natively mercurial has both free and paid support, and
also allow svn access.

M.


On Tue, May 1, 2012 at 7:24 PM, Amir Eldor  wrote:

> On Tue, May 1, 2012 at 2:07 PM, Orr Dunkelman wrote:
>
>> Hi everybody,
>>
>> I was wondering whether anyone is aware of open CVS/SVN servers that
>> allow users to open a small repository.
>>
>> The project I have in mind is actually a LaTeX project, and not an open
>> source one, so not much space is needed.
>>
>> Support of 4 users is needed, not much storage (LaTeX files, after all),
>> and of course, availability (but the project would end in a year or two, so
>> I am not looking for something that would stay forever).
>>
>>
> Don't sourceforge.net support SVN and maybe even CVS?
>
>
>> Thanks in advance,
>> Orr
>> --
>> Orr Dunkelman,
>> orr.dunkel...@gmail.com
>>
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>>
>
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Re: [Haifux] perl lectures links

2012-04-27 Thread Maxim Kovgan
Thanks, Sorana & Gabor.

I got the files, listening to them now.



On Fri, Apr 27, 2012 at 2:11 PM, Sorana Fraier  wrote:

> Just in case the file confirmation didn't arrive.
>
>
> You have successfully uploaded 2 files to sendspace.com
> File 1:
> File Name: perl-lecture-haifux-p1.wav.WAV
> File Size: 114.8 MB
> Download Link: http://www.sendspace.com/file/dvz6a5
> Delete File Link:
> http://www.sendspace.com/delete/dvz6a5/4885fc87928bdd249f2a15f29cee28c6
>
> File 2:
> File Name: perl-lecture-haifux-part2.wav.WAV
> File Size: 173.8 MB
> Download Link: http://www.sendspace.com/file/hha7ha
> Delete File Link:
> http://www.sendspace.com/delete/hha7ha/9cd306b817bc3ec607727335b6f4e692
>
>
> The files will be available for a limited time only unless you are a
> sendspace Max member. If you gave us a recipient's email address they have
> now been sent the download link.
>
> Thank you for using sendspace. If you have any questions, please visit the
> sendspace FAQ at http://www.sendspace.com.
>
> sendspace.com - The best free file sharing service.
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Re: [Haifux] Gabor's perl web dev lecture

2012-04-25 Thread Maxim Kovgan
hi, Gabor!
Thank you for the prompt response!





On Wed, Apr 25, 2012 at 9:47 PM, Gabor Szabo  wrote:

> On Wed, Apr 25, 2012 at 9:11 PM, Maxim Kovgan  wrote:
> > hi, all!
> >
> > As promised, I couldn't attend :)
> > Are there any lecture notes/audio/video of it?
> >
>
> No, I did not even have slides.
>
> I'll  probably blog about it later but in a nutshell:
>
> After covering the history that was a bit too long
> I explained about Plack/PSGI http://plackperl.org/
> (which is like WSGI for Python or Rack for Ruby)
>
> For real applications I'd recommend using
> either Dancer http://perldancer.org/ or Mojolicious
> http://mojolicious.org/
> I showed a little bit of Dancer.
>
> Two of my articles about PSGI (which is really low level stuff, you
> probably would not use it for a real application):
> http://szabgab.com/my-first-web-application-using-psgi.html
> http://szabgab.com/how-to-build-a-dynamic-web-application-using-psgi.html
>
> A screencast about Dancer:
> http://szabgab.com/building-a-blog-engine-using-perl-dancer.html
>
> regards
>   Gabor
>   http://szabgab.com/
>



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[Haifux] Gabor's perl web dev lecture

2012-04-25 Thread Maxim Kovgan
hi, all!

As promised, I couldn't attend :)
Are there any lecture notes/audio/video of it?


Thanks!


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Re: [Haifux] Pulseaudio: Sounds good in theory

2011-01-04 Thread Maxim Kovgan
hi.

On Wed, Jan 5, 2011 at 1:40 AM, Eli Billauer  wrote:

> Hello all,
>
>
> I've been doing some sound editing lately on my FC12, just to discover that
> there is a new annoyance in town, namely Pulseaudio.
>
>
> http://en.wikipedia.org/wiki/PulseAudio
>
>  I discovered it when Audacity failed to play back files or made choppy
> noises. Other applications also seem to get messed up with this piece of
> I-don't-know-what.
>
>
> My first instinct is to kick it out of my system, but since Fedora is a
> system for experts (are they going to open a Red Hat University soon?) I
> don't really know how to do that and what consequences I may face. I mean,
> it's not so easy to just shut down. Killing the server makes it restart (as
> a matter of fact, killall -9 pulseaudio has become my catch-all solution for
> audio problems lately). And I haven't even figured out how to disable this
> restart mechanism.
>

don't kick it. many packages depend on it.
gnome, kde...


>
>
> And unfortunately, with all those fancy graphs and fluffy talk about
> generalized everything, I haven't gotten to grasp how the machinery ticks.
> Are there any special files? Domain sockets? What?
>
> forget it :)

please explain what do you do with audio,
maybe it makes sense to make sure you have the right version of audacity (or
additional packages for its pulseaudio support installed)



>
> Does anyone have insights about this? Is there any reason why this audio
> server could be really useful, except for all the fine words said about it?
> Weren't things OK as they were in the good old times, when audio was just
> /dev/dsp?
>
> there were many problems back then. it was old oss interface with no
parallel device access, and many other problems.
you may try using oss v4, but I doubt fedore included a pulse audio package
with support to oss v.4


>
> But most important of all: Should I give this thing a mighty kick in the
> bottom? And if so, how?
>

don't do that. see the 1st remark.

please specify your work tasks.




>
>
> Thanks,
>
>  Eli
>
> --
> Web: http://www.billauer.co.il
>
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Re: [Haifux] a proposed lecture change

2010-11-09 Thread Maxim Kovgan
I agree it IS very interesting!
On Nov 9, 2010, at 10:59, Orna Agmon Ben-Yehuda wrote:

> Sounds _very_ interesting, I just hope this won't give you troubles.
> 
> On Tue, Nov 9, 2010 at 8:39 AM, boazg  wrote:
> hi,
> as some of you may know, i am currently employed by Satan, e.g. Microsoft. 
> Eli Bilauer proposed the lecture idea "working at microsoft, a linux user's 
> perspective". it sounds like a great idea, and i can fit it into my upcoming 
> slot, especially since my cairo lecture is in no way gonna be ready on time. 
> 
> what you all?
> 
> boazg.
> 
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Re: [Haifux] Login console freezes: Eli's weekly riddle

2010-10-29 Thread Maxim Kovgan
hi, Eli, et al.

It's all in all a very interesting thread :)

I have 2 points of contribution:

1) I hope I didn't miss a sentence in one of the emails "I've searched the 
google for 48 hours for similar problem..."
Are there any other people like yourself in the world ?
(I don't mean you're not unique and interesting guy, but I mean if there are 
any reports on problem like yours... in the kernel mailing lists ? or fedora ? )

2) Also, really to the point, I do not dispute it may be the kernel code to 
blame. But let's localize it:
The problem may be not in the reading the tty/pts, but with input-output 
synchronization.
I have noticed the opening of the device is done with these options:
O_RDWR | O_NOCTTY
I can imagine a situation when your tty does open quickly, but the call also 
may ask the display to be redrawn. 
if there's some text in the output buffer, from previous application, for 
example.
And until writing to console has completed the redraw the open() call is stuck.
And yes,  I know what O_NOCTTY means.

so... on that note, it is possible the problem is with the framebuffer code.

To see if this is true, disable all the framebuffer stuff.
See how it performs.
And get back to us :)

Shabat Shalom.



On Oct 29, 2010, at 11:28, Eli Billauer wrote:

> Just to have SELinux out of the way: I just compiled the kernel with 
> SELinux opted out, and the same freeze behavior remains.
> 
> 
>   Eli
> 
> 
> Eli Billauer wrote:
> 
>> And as a side remark, I've had two null pointer oopses when logging out 
>> the GUI console. The caller seems to be 
>> selinux_socket_unix_stream_connect(). Oopses. I think I'm going to post 
>> a kernel patch which paints the screen background blue.
>> 
>> 
>> 
> 
> -- 
> Web: http://www.billauer.co.il
> 
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Re: [Haifux] Router question

2010-10-16 Thread Maxim Kovgan
1) Did you try to connect to a controlled host so you can verify if the
problem is not with big IP packets ?
2) it is possible they are blocking inbound connections to these ports...
but outbound? also,  5228 android port is blocked ?
WEIRD indeed.

Have you also contacted Bezeqint ?



On Sat, Oct 16, 2010 at 7:36 PM, Ohad Lutzky  wrote:

> Hello everyone,
>
> I have a Linksys DSL-2760u router/DSL modem, using a Wow (Bezeq) connection
> to the Bezeq International ISP. It seems that various outgoing ports are
> blocked - HTTP, HTTPS, bittorrent and SSH work well enough, but - for
> example - I can't download Android apps from the Market. Easier to test, I
> can't download PGP public keys. For example:
>
> gpg -v -v --keyserver subkeys.pgp.net --recv F120156012B83718
> gpg: requesting key 12B83718 from hkp server subkeys.pgp.net
>
> This hangs indefinitely. So does this:
> telnet subkeys.pgp.net 11371
> Trying 195.113.19.83...
>
> The same occurs for other keyservers, git-protocol, and various other
> "unconventional" high-port usage. I've gone over the router settings,
> disabled its firewall (but not NAT, which I need), added my machine to the
> DMZ (this actually seems to help, sometimes, for git - and even then, only
> once), tried port triggering... I can't get a consistent result.
>
> I should note that this issue only exists for *outgoing* ports. I have no
> problem mapping *incoming* ports (such as my openssh server or bittorrent
> web interface).
>
> --
> Man is the only animal that laughs and weeps, for he is the only animal
> that is struck with the difference between what things are and what they
> ought to be.
>  - William Hazlitt
>
> Ohad Lutzky
>
> _______
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Re: [Haifux] Router question

2010-10-16 Thread Maxim Kovgan
have you played with the mtu ?

Often times the dhcp server on the home router giveth the mtu of 1500.
It is perfectly OK if you either:

   - don't use VPN from router to ISP
   - use encryption (when wifi frame < IP frame sent from the router to the
   ISP)

Otherwise, you get 1 packet of the internal network is wraped into more than
1 packets to the outside world.
This (IIRC) is IPv4 problem (fragmentation), and some routers don't do this
well.

To resolve it you can make sure that 1 wifi packet = 1 outgoing packet of
your router to the ISP, by reducing the MTU on the clients, or by using no
VPN connection.

I remember MTU<=1452 used to be the magic number back in the DSL PPTP days.

I bet you could somehow sniff the packets, to verify, but I don't know how
to sniff the VPN packets if the router is the one who dials. But still, I
hope this is a useful hint ;-)



On Sat, Oct 16, 2010 at 7:59 PM, Ohad Lutzky  wrote:

> traceroute is ICMP. I'm having trouble with specific ports on TCP.
>
> On Sat, Oct 16, 2010 at 7:53 PM, Dave Roi  wrote:
>
>> Did you try running traceroute to the pgp server or android market server?
>> See how many hops it does go and see in which one it gets stuck.
>>
>>
>> On Sat, Oct 16, 2010 at 19:36, Ohad Lutzky  wrote:
>>
>>> Hello everyone,
>>>
>>> I have a Linksys DSL-2760u router/DSL modem, using a Wow (Bezeq)
>>> connection to the Bezeq International ISP. It seems that various outgoing
>>> ports are blocked - HTTP, HTTPS, bittorrent and SSH work well enough, but -
>>> for example - I can't download Android apps from the Market. Easier to test,
>>> I can't download PGP public keys. For example:
>>>
>>> gpg -v -v --keyserver subkeys.pgp.net --recv F120156012B83718
>>> gpg: requesting key 12B83718 from hkp server subkeys.pgp.net
>>>
>>> This hangs indefinitely. So does this:
>>> telnet subkeys.pgp.net 11371
>>> Trying 195.113.19.83...
>>>
>>> The same occurs for other keyservers, git-protocol, and various other
>>> "unconventional" high-port usage. I've gone over the router settings,
>>> disabled its firewall (but not NAT, which I need), added my machine to the
>>> DMZ (this actually seems to help, sometimes, for git - and even then, only
>>> once), tried port triggering... I can't get a consistent result.
>>>
>>> I should note that this issue only exists for *outgoing* ports. I have no
>>> problem mapping *incoming* ports (such as my openssh server or bittorrent
>>> web interface).
>>>
>>> --
>>> Man is the only animal that laughs and weeps, for he is the only animal
>>> that is struck with the difference between what things are and what they
>>> ought to be.
>>>  - William Hazlitt
>>>
>>> Ohad Lutzky
>>>
>>> ___
>>> Haifux mailing list
>>> Haifux@haifux.org
>>> http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>>>
>>>
>>
>
>
> --
> Man is the only animal that laughs and weeps, for he is the only animal
> that is struck with the difference between what things are and what they
> ought to be.
>  - William Hazlitt
>
> Ohad Lutzky
>
> ___
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>
>


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Re: [Haifux] טרמפ למפגש בטכניו ן מזכרון יעקב

2010-10-12 Thread Maxim Kovgan
Taub building is accessible, toilets in Taub are too.
There may be some hassle entering some of the labs (opening 1 door pane
won't suffice)

Regards.


2010/10/12 guy keren 

>
> i am not from zichron (and i'm not sure there are people from there
> coming to haifux meetings) - but it might help if you'll give more
> details of the car required (i.e. enough space to put your wheel chair
> in, i suppose?).
>
> by the way - anyone knows if taub building is properly accesible without
> hassles? i imagine it has to be - but i remember stairs around the
> building..
>
> --guy
>
> Eyal Massad wrote:
> > Hi everyone,
> > I'm a disabled person (in a wheel chair) living in Z. Yaakov
> > and am interested in coming to Haifux lectures.
> > Is there anyone who can help me with a ride?
> > Thanks,
> > Eyal
> >
> > --
> > Eyal MASSAD
> > Mobile: +972-52-6880709
> > Home: +972-4-6392590
> > ---
> > Who Moved My Step Stool
> > show web site:
> > www.whomovedmystepstool.com <http://www.whomovedmystepstool.com>
> > ---
> > אתר ההצגה מי הזיז את השרפרף שלי
> > www.shrafraf.co.il <http://www.shrafraf.co.il/>
> >
> >
> > 
> >
> > ___
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> > Haifux@haifux.org
> > http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>
> ___
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Re: [Haifux] Coputer stores in Haifa with Linux in mind

2010-08-22 Thread Maxim Kovgan
Most of the Haifa computer stores I've dealt with (bug, ksp, marganit,
panda, etc.)
Will help you with a specific single question, like "Can you tell me if a
card XXX is supported by Linux OS?"

Otherwise, It is unclear from your email if by your "good intention to
support a store" you actually mean:
"I will do them a favour and buy a computer from them"
or do you mean:
"I am ready to pay good money for the consultation they give me in
purchasing a linux compatible hardware".


If the 1st, then ... well, the stores will not close if YOU do not buy from
them.
And If the latter, you should make yourself clear on that to the store.

And I hope you can see a difference.

M.




On Sun, Aug 22, 2010 at 5:22 PM, Michael  wrote:

> Doesn anyone know of a computer store in Haifa, that cares about Linux.
> That is, I can ask them to recommend me a Linux-compatible Desktop, and
> the answer won't be "Oh, I'm sorry, but we don't support Linux, we
> recommend Windows 7", but rather they would attempt to help me build
> a system , where I won't have unsupported piece of hardware (even if I
> don't use this specific piece of harware, but it's just on-board).
> It's not that I cannot build a Linux compatible computer myself, It's
> rather my laziness and my good intention to support a store, that would
> not be reluctant to help when they hear the word "Linux".
>
>
> _______
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Re: [Haifux] Where were the organizers?

2010-05-10 Thread Maxim Kovgan
I think a good idea is to set up a "chain of command" as people do in the
armies.
It is also a good thing from organizational perspective.
This chain of command should work with the faculty people (Moti or Alex or
whoever), and not every willing lecturer.

If the obliged representative is not able to arrive they *has to* ping the
next in the chain,
to at least make sure the door is open and for *the right* people  (there
are also some faculty security aspects - equipment had been stolen in the
past)

of course: IMHO.

Regards.



On Tue, May 11, 2010 at 6:36 AM, Orna Agmon Ben-Yehuda
wrote:

> Hello all,
>
> Indeed, I intended to arrive, and I have even had a key during the last two
> semesters (but not before that - we managed without for years, as explained
> before). However, I was unable to come on the last minute.
>
> I am sorry there was nobody there who knew Moti should be contacted. This
> indeed will be fixed in the future as a part of the regular
> lecturer-inviting protocol.
>
> Orna.
>
>
> On Tue, May 11, 2010 at 4:45 AM, Eli Billauer  wrote:
>
>> Hello,
>>
>> Since I've been seen presenting the speaker in some talks, and sometimes
>> even made sure the projector is available (even though I don't have the key
>> myself), and I sometimes announce lectures, I suppose some people will
>> consider myself as an organizer. But the truth is, that Haifux has been
>> running for quote a few years without appointing anyone to "organize" the
>> event. Exactly as in the free software world, the slots have been filled by
>> whoever was there to fill them.
>>
>> I'm sorry to hear about today's mishap. It's a truly rare event, and it
>> looks like the shortcircuit lies somewhere between myself and Orna.
>> Personally, I had other things on my mind, and I actually wasn't aware that
>> anything was planned for today. One lesson to learn is that a lecture
>> announced on the same day is a bad omen.
>>
>> A second bad omen is when you're going to give a lecture, and you have no
>> phone number whatsoever to call in case something goes wrong (stuck on the
>> road, for example). It's actually true for any kind of appointment one
>> makes.
>>
>> Please keep in mind that the only dedicated staff in any lecture, is the
>> speaker himself (or herself). Arriving at a lecture expecting that
>> everything has been fixed by just somebody is a bit of a gambling. It works
>> almost always, but this time, it just didn't. And allow me to say, as
>> someone who has delivered professional courses, that the same rule applies
>> in the "real world".
>>
>> Having said all this, I'd still like to apologize for the inconvenience.
>> The few of us involved will make sure this will not happen again.
>>
>>  Eli
>>
>> --
>> Web: http://www.billauer.co.il
>>
>>
>
>
> --
> Orna Agmon Ben-Yehuda.
> http://ladypine.org
>
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>


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Re: [Haifux] SVN quota

2010-01-18 Thread Maxim Kovgan
Shalom Shcharim!
Possibly, the repositories are located on the same storage device as
users' homes,
so they might be able to delete other files to release some space,
but you're completely right, the repository can only grow up :-)


2010/1/18 Shachar Shemesh :
> Shahar Dag wrote:
>
> Hello
>
> I have a LINUX server (RHE 4) that among other things serves as SVN server
> (the SVN server runs over apache).
> Users can access their repository via https, but they can't login to the
> server (not even with ssh).
> To access the SVN, users must supply their NIS user name & password.
> Every SVN repository has it's own quota limitation.
>
> The question is: do SVN users have any way to test their quota?
> (I don't want to write a cron job that warns the users when they are over
> 80% of the quota)
>
>
> Excuse me for taking this on a tangent, but what use is the quota warning
> going to do? It's not as if users can delete stuff in order save space.
>
> Shachar
>
> --
> Shachar Shemesh
> Lingnu Open Source Consulting Ltd.
> http://www.lingnu.com
>
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Re: [Haifux] SVN quota

2010-01-18 Thread Maxim Kovgan
I think there is a problem to run the quota query from a web server,
b/c the UID of the webserver process is not allowed to run quota stuff,
and all the web technologies usually limit setuid() related stuff.
And you don't want to run a CGI script as root, you really don't.

So, the only relatively safe solution would be to build 2 scripts:
1. script to generate the quota database, and it should run once per 1-5 minutes
2. CGI/FastCGI/WSCGI script to query that database

If users' repositories reside on the expense of their home
directories, maybe a webmin/usermin web application allows to watch
quota status with some nice module,

SQLite looks like a good candidate, but even CSV is ok, as long as
you make sure you use flock() like functions to lock the db file
properly when you read/write, etc.


Regards.


On Mon, Jan 18, 2010 at 4:07 PM, Maxim Kovgan  wrote:
> well, I'm not aware of anything ready to use, but there might be one -
> a CGI/FastCGI or WSGI something.
> you're interested in just showing quota command output with proper args.
> If you choose Perl, you may use Quota;
>
>
> On Mon, Jan 18, 2010 at 12:03 PM, Shahar Dag  wrote:
>> Max
>>
>> Writing  pre-commit script & writing a cron-job that test the quota are
>> almost equal effort.
>> I am not sure which one is better.
>> What I am looking for is a tool that will enable the users check the quota
>> on the svn machine
>>
>> Shahar
>>
>> - Original Message -
>> From: "Maxim Kovgan" 
>> To: "Shahar Dag" 
>> Cc: "Haifaux" 
>> Sent: Monday, January 18, 2010 9:56 AM
>> Subject: Re: [Haifux] SVN quota
>>
>>
>>> hi Shahar!
>>> A possible solution if your svn repository is stored on a filesystem could
>>> be
>>> a "pre-commit hook" script, that would basically:
>>> * check user's/project's repository quota against filesystem
>>> * act accordingly to the result, upon:
>>>   * OK - do commit
>>>   * Warning (quota threshold reached) - print the result, and commit
>>>   * Quota exceeded - print the result and NOT commit
>>> Of course take care of the return values of the script properly.
>>> The script may even send an email to the user, if you have email in NIS.
>>>
>>> I do not know how different SVN clients would respond to the
>>> non-standard messages in the output of SVN client.
>>> This is what you will have to check for yourself.
>>>
>>> Regards,
>>> M.
>>>
>>> 2010/1/18 Shahar Dag :
>>>> Hello
>>>>
>>>> I have a LINUX server (RHE 4) that among other things serves as SVN
>>>> server
>>>> (the SVN server runs over apache).
>>>> Users can access their repository via https, but they can't login to the
>>>> server (not even with ssh).
>>>> To access the SVN, users must supply their NIS user name & password.
>>>> Every SVN repository has it's own quota limitation.
>>>>
>>>> The question is: do SVN users have any way to test their quota?
>>>> (I don't want to write a cron job that warns the users when they are over
>>>> 80% of the quota)
>>>>
>>>> Thanks
>>>> Shahar
>>>> ___
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>>>> Haifux@haifux.org
>>>> http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>>>>
>>>>
>>>
>>>
>>>
>>> --
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>>> ___
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>>
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>
>
>
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>



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Re: [Haifux] SVN quota

2010-01-18 Thread Maxim Kovgan
well, I'm not aware of anything ready to use, but there might be one -
a CGI/FastCGI or WSGI something.
you're interested in just showing quota command output with proper args.
If you choose Perl, you may use Quota;


On Mon, Jan 18, 2010 at 12:03 PM, Shahar Dag  wrote:
> Max
>
> Writing  pre-commit script & writing a cron-job that test the quota are
> almost equal effort.
> I am not sure which one is better.
> What I am looking for is a tool that will enable the users check the quota
> on the svn machine
>
> Shahar
>
> ----- Original Message -
> From: "Maxim Kovgan" 
> To: "Shahar Dag" 
> Cc: "Haifaux" 
> Sent: Monday, January 18, 2010 9:56 AM
> Subject: Re: [Haifux] SVN quota
>
>
>> hi Shahar!
>> A possible solution if your svn repository is stored on a filesystem could
>> be
>> a "pre-commit hook" script, that would basically:
>> * check user's/project's repository quota against filesystem
>> * act accordingly to the result, upon:
>>   * OK - do commit
>>   * Warning (quota threshold reached) - print the result, and commit
>>   * Quota exceeded - print the result and NOT commit
>> Of course take care of the return values of the script properly.
>> The script may even send an email to the user, if you have email in NIS.
>>
>> I do not know how different SVN clients would respond to the
>> non-standard messages in the output of SVN client.
>> This is what you will have to check for yourself.
>>
>> Regards,
>> M.
>>
>> 2010/1/18 Shahar Dag :
>>> Hello
>>>
>>> I have a LINUX server (RHE 4) that among other things serves as SVN
>>> server
>>> (the SVN server runs over apache).
>>> Users can access their repository via https, but they can't login to the
>>> server (not even with ssh).
>>> To access the SVN, users must supply their NIS user name & password.
>>> Every SVN repository has it's own quota limitation.
>>>
>>> The question is: do SVN users have any way to test their quota?
>>> (I don't want to write a cron job that warns the users when they are over
>>> 80% of the quota)
>>>
>>> Thanks
>>> Shahar
>>> ___
>>> Haifux mailing list
>>> Haifux@haifux.org
>>> http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
>>>
>>>
>>
>>
>>
>> --
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>> ___
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>>
>
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Re: [Haifux] SVN quota

2010-01-18 Thread Maxim Kovgan
hi Shahar!
A possible solution if your svn repository is stored on a filesystem could be
a "pre-commit hook" script, that would basically:
 * check user's/project's repository quota against filesystem
 * act accordingly to the result, upon:
   * OK - do commit
   * Warning (quota threshold reached) - print the result, and commit
   * Quota exceeded - print the result and NOT commit
Of course take care of the return values of the script properly.
The script may even send an email to the user, if you have email in NIS.

I do not know how different SVN clients would respond to the
non-standard messages in the output of SVN client.
This is what you will have to check for yourself.

Regards,
M.

2010/1/18 Shahar Dag :
> Hello
>
> I have a LINUX server (RHE 4) that among other things serves as SVN server
> (the SVN server runs over apache).
> Users can access their repository via https, but they can't login to the
> server (not even with ssh).
> To access the SVN, users must supply their NIS user name & password.
> Every SVN repository has it's own quota limitation.
>
> The question is: do SVN users have any way to test their quota?
> (I don't want to write a cron job that warns the users when they are over
> 80% of the quota)
>
> Thanks
> Shahar
> ___
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> Haifux@haifux.org
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Re: [Haifux] Whole disk encryption, because it costs nothing?

2010-01-12 Thread Maxim Kovgan
I think you guys always keep forgetting about the gremlins.


On Tue, Jan 12, 2010 at 1:25 PM, Eli Billauer  wrote:

> Etzion Bar-Noy wrote:
>
> > Sequential IO is very simple, relatively, so that you will hardly feel
> > the performance impact testing it.
> > Test random IO loads with small packets (0.5K-4K) and you will
> > probably feel the performance impact there.
> >
> It crossed my mind that a sequential test was too simplistic. My ideal
> test would be a database server running like crazy on the data, but this
> is not my application anyhow. I agree that I should test the system
> "under load" but I can't really think about a realistic "under load"
> scenario for 4 hyperthreaded CPUs. At least not something that I could
> test without turning it into a project. So I went for the session below.
>
> /usr is unencypted. /secret is encrypted. My home directory sits on a
> 740 GB ext4 partition, which has seen some activity. /secret and /fresh
> are 20 GB, and are pretty untouched.
>
> The whole system will be reinstalled pretty soon, so I don't care about
> being root and fooling around. ;)
>
> My finding is that encryption still speeds up writes. This is really
> weird. I swear that /fresh was created a minute before I used it on this
> test, so I suppose it can't be in a better shape. Still, writing to
> /secret is faster. The only thing that was slower was removing a lot of
> files in one go.
>
> It's also interesting to note that writing to my home directory was
> considerably slower. So even if encryption turns out to have some
> impact, other factors (partition size? Fragmentation?) seem to be more
> dominant.
>
> So while I still agree with the concept that encryption must surely slow
> down disk writes, my tests show me the contrary.
>
> Insights, anyone?
>Eli
>
> -- Session follows ---
>
> [r...@short eli]# tar -c /usr | { cd /secret/delete-this/ && time tar -x ;
> }
> tar: Removing leading `/' from member names
> tar: Removing leading `/' from hard link targets
>
> real5m12.709s
> user0m2.351s
> sys0m31.486s
> [r...@short eli]# time rm -rf /secret/delete-this
>
> real0m13.319s
> user0m0.180s
> sys0m5.154s
> [r...@short eli]# tar -c /usr | { cd /home/eli/delete-this/ && time tar
> -x ; }
> tar: Removing leading `/' from member names
> tar: Removing leading `/' from hard link targets
>
> real7m0.826s
> user0m2.344s
> sys0m32.340s
> [r...@short eli]# time rm -rf /home/eli/delete-this
>
> real0m8.195s
> user0m0.196s
> sys0m5.620s
> [r...@short eli]# tar -c /usr | { cd /fresh/delete-this/ && time tar -x ;
> }
> tar: Removing leading `/' from member names
> tar: Removing leading `/' from hard link targets
>
> real5m42.639s
> user0m2.332s
> sys    0m36.879s
> [r...@short eli]# time rm -rf /fresh/delete-this
>
> real0m9.612s
> user0m0.203s
> sys0m6.275s
>
> --
> Web: http://www.billauer.co.il
>
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>



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Re: [Haifux] reading electric current registers on CPU

2009-12-28 Thread Maxim Kovgan
is analyzing:
/proc/acpi/CPU0/power
/proc/acpi/CPU1/power
...
/proc/acpi/CPU${N}/power

good for you ?


On Mon, Dec 28, 2009 at 9:15 AM, Mark Silberstein
wrote:

> Friends,
>
> I'm trying to find the way for the user-level program to read the electric
> current sensor of a CPU to compute its  power consumption (given vCore it
> should be easy). I'm trying to use lm_sensors, which actually mention the
> support of  this kind of info, but I can't seem to have the kernel module
> which exposes it to lm_sensors and does the trick.
>
> Googling is not that useful for the query "reading CPU current  register "
> brings up tons of info with "current" in the sense of momentarily, rather
> than electric current. ...
>
> Any idea ?
>
> Mark
>
>
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Re: [Haifux] Technion video

2009-11-19 Thread Maxim Kovgan
What's wrong with chipmunk voice?




On Thu, Nov 19, 2009 at 9:47 AM, Ohad Lutzky  wrote:

> The "X2 velocity" terminology is confusing, let's try and set it straight:
> What students want to do is watch videos at increased speed, without
> affecting pitch (usually speeding up playback of audio causes pitch to rise,
> which causes a "chipmunk voice" effect). There are several libraries for
> Linux which increase audio speed without affecting pitch, the best-known
> being libsoundtouch. To my knowledge, libsoundtouch has no been formally
> incorporated into any media player. However, there is a relatively new
> project called ScaleTempo (http://scaletempo.sh.net) which provides this
> capability for several media players, including VLC (into which the patch
> has formally been accepted). Please test a ScaleTempo-enabled version of
> whatever media player is currently used to view Technion video (vlc, if I'm
> not mistaken).
>
> 2009/11/18 Shahar Dag 
>
>>  Hello
>>
>> One of the complains I gets from students in SSDL is that they can't view
>> the Technion's video in X2 velocity.
>> I talked with the people from computer center and they told me that:
>> the video server is MS windows media server 9
>> the video encoding is MS windows media video
>> the transmission protocol is RTSP over TCP
>>
>> is there is a way to view the video on Linux (Ubuntu) in high speed?
>>
>> Thanks in advanced
>> Shahar Dag
>> System & Software Development Laboratory (SSDL)
>> Computer Science Department
>> Technion - Israel Institute of Technology
>> Haifa, Israel
>> Tel. 972-4-829-4880
>> Fax 972-4-829-4878
>>
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>>
>>
>
>
> --
> Man is the only animal that laughs and weeps, for he is the only animal
> that is struck with the difference between what things are and what they
> ought to be.
> - William Hazlitt
>
> Ohad Lutzky
>
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-- 
Maxim Kovgan




Mike Ditka <http://www.brainyquote.com/quotes/authors/m/mike_ditka.html>  -
"If God had wanted man to play soccer, he wouldn't have given us arms."
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Re: [Haifux] advanced of programming in Linux

2009-11-15 Thread Maxim Kovgan
Hello, Shahar!
One of the important things I learned once, that if you have a battle
you know you're going to lose - avoid it:
Programming in Linux is neither easier nor faster. Programming in
Linux is ... just programming.

With Linux you have more control over more software/source code, than
with windows.
A variety and flexibility, Whatever advantages of this are.
And this is for better or for worse.


Regards!




2009/11/1 Shahar Dag :
> Hello
>
>
>
> To extent Elli's question:
>
> We try to convince our students that programming on Linux is easier / faster
> relative to Windows, so they better learn how to work with Linux.
>
>
>
> We claim that using the build in shell commands and pipes we can compose a
> solution for complex problem (almost) without programming.
>
>
>
> Can you point us for real life examples that prove our claims?
>
>
>
> Thanks in advanced
>
> Shahar Dag
> System & Software Development Laboratory (SSDL)
> Computer Science Department
> Technion - Israel Institute of Technology
> Haifa, Israel
> Tel. 972-4-829-4880
> Fax 972-4-829-4878
>
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>
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Re: [Haifux] Linux Kernel Networking lecture rerun

2007-11-09 Thread Maxim kovgan
I'm in.


gabik wrote:
>  
> Hello everyone
> 
> Rami Rosen has held a very interesting lecture last summer, about Linux
> Kernel Networking.
> However, it was during the summer vacation and not a lot of us were able to
> attend.
> Now Rami has a sequel lecture, on more advanced Linux Kernel Networking
> topics which were not dealt in the first (like IPSec).
> Due to these 2 reason it would be a good idea to rerun the first lecture
> (before the advanced lecture).
> 
> I have already talked to Rami and he kindly agreed to rerun the first
> lecture on 3.12.07 (this is the only time he can).
> I hope this time there will be more people attending this lecture (I will
> personally convince at least 2 more people not usually in Haifux to attend).
> 
> What do you say?
> Does Haifux agree to rerun the lecture and later Rami will probably hold the
> advanced lecture as well?
> 
> Gabi
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-- 
Maxim Kovgan,
Distributed Systems and Data Mining Laboratory
Computer Science, Technion
http://dsl.cs.technion.ac.il
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