Where did my dv device go?

[Arie Folger]

Hi,

I have a digital video camera with a firewire port, and my laptop is equiped 
with one, as well. The port of the laptop is supported under Linux (we 
discussed this one about 8-9 months ago on list), and the modules load 
properly.

I tried to use dvgrab to capture a movie I made, but had no success. I did 
take care to first load the raw1394 module (otherwise dvgrab issues error 
messages), and started dvgrab as root (since root wons the requisite device 
file), but dvgrab remains silent. I played with the options, including 
options suggested by the man page, to no avail.

Since I recall that in the RH7.3 days I managed to capture some video with 
dvgrab and the very same hardware, I decided to test the hardware using my 
dedicated hardware testing platform (windoze millenium), and everything 
worked (except for the software, which, since it uses too many cpu cycles for 
the gui and displaying the image as it records, could not record all frames 
on disk... Millenium headache. Wait, it is Sony software supposedly made for 
that laptop, and it finds the machine it was supposedly tweaked for too 
slow?!).

So now, why doesn't dvgrab work? If it doesn't work, why doesn't it complain 
using some error message? Ergo, it theoretically works, but something is 
wrong. Help.

BTW, I alreadyt tried fiddling with the cables.

I am now using RH8.0.

Arie Folger
-- 
It is absurd to seek to give an account of the matter to a man 
who cannot himself give an account of anything; for insofar as
he is already like this, such a man is no better than a vegetable.
   -- Book IV of Aristotle's Metaphysics

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RE: ftp in user-mode

[Tzahi Fadida]

I am not sure, but i think that ssh requires root privelages to run. 
but even if not, i need a regular ftp, and on a port of my choice.


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Re: installing Redhat kernel on Mandrake?

[Noam Meltzer]

We have a similar issue in my company, and I would be glad to hear if
you had any success with the ClearCase.
Basically I believe that copying the kernel  should be enough.
Take to mind that clearcase now supports redhat7.3, thus you can use
redhats kernel 2.4.18-

Noam


On Mon, 2002-12-09 at 20:20, Christoph Bugel wrote:
> Problem solved.
> 
> - copy kernel and /lib/modules/2.4.2-2 from the binary rpm into
>   place
> - edit /etc/fstab: s/ext2/ext3/ (indeed kernel 2.4.2 did not
>   support ext3 yet, as someone mentioned). note: this step must
>   be done before the mkinitrd command!
> - create new initrd with mkinitrd
> - edited lilo.conf, run lilo
> - reboot
> 
> At this point I could boot successfully into the 'new' kernel
> and I was happy. The purpose for this all was to install
> ClearCase, and I don't know if/how that will work out, but the
> short-term task is done, and I learned something in the
> process.
> 
> Thanks to everyone who replied!
> 
> 
> 
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> 
-- 
Noam Meltzer
[EMAIL PROTECTED]
ICQ: 4853872


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Re: ftp in user-mode.

[doron]

áéåí ùðé, 9 áãöîáø 2002, 20:57, Tzahi Fadida ëúá:
Hi, 

u can use sftp.
it is work whit ssh -> run inside shell
working on port 22

doron 



> Where can i find a a very simple ftp program to run inside a shell account
> in user-mode. features seeked:
> different port then 23,21 whatever so it won't run into the existing ftp
> daemon. home directory as the restricted public dir.
> simple username/password.
> command line operating.
>
> 10x.
>
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> Tzahi Fadida
> [EMAIL PROTECTED]
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Re: charset 1251 to unicode conversion

[Ilya Konstantinov]

First of all, make sure you somehow make SAMBA convert filenames which
it receives in "ANSI" codepage to UTF-8 instead of CP-1255 (like it
probably does now).

> Is there any renaming tool of files from charset 1251 to unicode?

It can be very easy to write something up with perl, Text::Iconv and
the utility 'find'. If you're whilling to install them, it should be as
simple as:

#!/usr/bin/perl
use Text::Iconv;
my $converter = new Text::Iconv("cp1255", "utf-8");
my @filenames = split(/\n/, `find .`);
for my $filename (@filenames)
{
my $converted = $converter->convert($filename);
rename($filename, $converted);
}

# I haven't actually checked this code works :)
# I'm also not sure you can feed the funciton 'rename' with a whole
path (ie. dir1/dir2/dir3/filename). I think find guarantees us that the
dirs will appear first, so we would rename the dir first to the
converted name.
# If the 'find' approach fails, I can write something with a recursive
function instead.

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ftp in user-mode.

[Tzahi Fadida]

Where can i find a a very simple ftp program to run inside a shell account
in user-mode. features seeked:
different port then 23,21 whatever so it won't run into the existing ftp daemon.
home directory as the restricted public dir.
simple username/password.
command line operating.

10x.

* - * - *
Tzahi Fadida
[EMAIL PROTECTED]
Technion Email: [EMAIL PROTECTED]
My Cool Site: HTTP://WWW.My2Nis.Com
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Re: installing Redhat kernel on Mandrake?

[Christoph Bugel]

Problem solved.

- copy kernel and /lib/modules/2.4.2-2 from the binary rpm into
  place
- edit /etc/fstab: s/ext2/ext3/ (indeed kernel 2.4.2 did not
  support ext3 yet, as someone mentioned). note: this step must
  be done before the mkinitrd command!
- create new initrd with mkinitrd
- edited lilo.conf, run lilo
- reboot

At this point I could boot successfully into the 'new' kernel
and I was happy. The purpose for this all was to install
ClearCase, and I don't know if/how that will work out, but the
short-term task is done, and I learned something in the
process.

Thanks to everyone who replied!



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Re: charset 1251 to unicode conversion

[Yedidyah Bar-David]

Hi,

On Mon, Dec 09, 2002 at 07:07:28PM +0200, Skliarouk Arie wrote:
> Hello all,
> 
> Someone out there has an samba repository of 60 GB of files with both
> hebrew (codepage 1251) and english file names.

I guess you mean cp1255.
I also guess you did not do anything special to samba and that Windows
sees the file names well in both Hebrew and English.
In this case, Windows thinks samba is not unicode able, treats it
(basically) as a Win9x machine, and saves them as _DOS_ (cp862) Hebrew.

> 
> We want to allow his Linux computers to see the hebrew named files and
> do something with them.
> 
> Could it be done using codepage 1251?

"see": is quite easy.
Assuming I am correct about the above, something like this
ls -l --show-control-chars | tr '\200-\232' '\340-\377'
will show the Hebrew (assuming a terminal with a iso8859-8 font).
You can probably replace the 'tr' with recode or iconv or gconv or
some other such thing, but 'tr' will work everywhere. You can also
pipe the above through fribidi or bidiv (STFW) to see the Hebrew in
the right direction.

If you want to do things to them, you will have to work harder,
and I guess it will be very difficult without renaming them.
After renaming, I guess newer file managers of GNOME or KDE will
work with them, but I didn't try.

> 
> Is there any renaming tool of files from charset 1251 to unicode?

I don't know of any such tool, but I use here a small script quite
successfully. Still, I am sure it has bugs and that there are better
ways to do that - I was just lazy.
No guarantees! Do check it well before running on 60GB of files!
==
#!/bin/sh
# Convert an entire subtree filenames from DOS hebrew to windows hebrew
# (CP862 -> ISO8859-8)
# Didi 2002-01-06
# usage: find . -depth | $0

read -r a
while [ ! -z "$a" ]; do
d=`dirname "$a"`
old="`echo "$a" | sed "s;.*/;;"`"
new=`echo "$old" | tr "\200-\234" "\340-\374"`
[ "$old" != "$new" -a ! -e "$new" ] && mv "$d"/"$old" "$d"/"$new"
read a
done
==
As the comment says, run it inside a wrapper that does
find . -depth | thisscript

(also, a note for hackers - do not try putting basename instead of the
sed - it caused me problems).

If you want samba to do that conversion automatically, you can download
a patch to do that against samba 2.2.2 (probably works against 2.2.7)
from . You _will_ have to run the above
script before moving to the patched samba, and if you don't, you want
to run another samba server, unpatched, on the same tree (probably
through NFS, probably readonly), to let the users see the names through
Windows during the transition. We currently do this here.

I think Samba 3.0 will support UTF-8 file names.

> 
> Other options?
> 
> ---
> Bye,  | Fax: (972)-2-6796453
> Arieh | Phone: (972)-6795364
> 
> 
> 
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Didi


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charset 1251 to unicode conversion

[Skliarouk Arie]

Hello all,

Someone out there has an samba repository of 60 GB of files with both
hebrew (codepage 1251) and english file names.

We want to allow his Linux computers to see the hebrew named files and
do something with them.

Could it be done using codepage 1251?

Is there any renaming tool of files from charset 1251 to unicode?

Other options?

---
Bye,  | Fax: (972)-2-6796453
Arieh | Phone: (972)-6795364



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RE: Routing + VPN question

[Eddie Aronovich]

PPtP is proprietary Microsoft Point-to-Point Tunneling Protocol (details can
be found on http://pptpclient.sourceforge.net/).

Many recommendations appeared for: http://www.freeswan.org/
VPN means connecting to other end-point (e.g IP address).
Client pass data between end-point and original point using the tunneling
protocol - you can conclude what are the meanings.


> -Original Message-
> From: Alex Shnitman [mailto:[EMAIL PROTECTED]]
> Sent: Monday, December 09, 2002 17:31
> To: Michael Sternberg
> Cc: [EMAIL PROTECTED]
> Subject: Re: Routing + VPN question
> 
> On Mon, 2002-12-09 at 14:05, Michael Sternberg wrote:
> > I want to make my computer to be visible from behind
> > the NAT, that is, to have a real IP.
> >
> > I have another computer in my control (Linux) and can
> > start there a PPtP VPN client that can assign to client
> > a real IP from server's subnet.
> 
> The problem with a PPTP tunnel solution is that you'll have to assign it
> its own subnet. If you have a pool of real IPs and you don't want to
> break it to subnets (losing valuable addresses in the process), I think
> you'd be better off using proxy ARP. This means assigning a real IP from
> the pool to the client, and then telling the server to answer ARP
> queries for that IP, and forward the packets to the client. There are
> numerous resources on the web that will tell you how to do it -- search
> for "proxy arp".
> 
> 
> --
> Alex Shnitman <[EMAIL PROTECTED]>
> http://www.hectic.net/   UIN 188956
> PGP 0xEC5D619D / E1 F2 7B 6C A0 31 80 28  63 B8 02 BA 65 C7 8B BA
> 
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Re: Routing + VPN question

[Alex Shnitman]

On Mon, 2002-12-09 at 14:05, Michael Sternberg wrote:
> I want to make my computer to be visible from behind
> the NAT, that is, to have a real IP.
> 
> I have another computer in my control (Linux) and can
> start there a PPtP VPN client that can assign to client
> a real IP from server's subnet.

The problem with a PPTP tunnel solution is that you'll have to assign it
its own subnet. If you have a pool of real IPs and you don't want to
break it to subnets (losing valuable addresses in the process), I think
you'd be better off using proxy ARP. This means assigning a real IP from
the pool to the client, and then telling the server to answer ARP
queries for that IP, and forward the packets to the client. There are
numerous resources on the web that will tell you how to do it -- search
for "proxy arp".


-- 
Alex Shnitman <[EMAIL PROTECTED]>
http://www.hectic.net/   UIN 188956
PGP 0xEC5D619D / E1 F2 7B 6C A0 31 80 28  63 B8 02 BA 65 C7 8B BA

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umeet, a Linux IRC conference

[Muli Ben-Yehuda]

Umeet 2002 will start later tonight. Umeet is a Linux conference,
taking  place entirely online on IRC (Internet Relay Chat). The talks
are usually of excellent quality, if you don't mind the medium, and I
recommmend them highly

More details about umeet here:
http://umeet.uninet.edu/umeet2002/english/pres.eng.html, and the
program is available here: 
http://umeet.uninet.edu/umeet2002/english/prog.eng.html

See you all there! 
-- 
Muli

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Routing + VPN question

[Michael Sternberg]

I want to make my computer to be visible from behind
the NAT, that is, to have a real IP.

I have another computer in my control (Linux) and can
start there a PPtP VPN client that can assign to client
a real IP from server's subnet.

Here is a short scheme:

 client   WAN   server
10.10.10.1 <--->  212.1.2.3

 client   VPN   server
212.1.2.4  <--->  212.1.2.3

How do I set up routing tables on those two computers
so I will be able to ping client from third computer
(that is not in belong to subnet of client or server)?

Is it enough to set up routing tables in those two
computers or I should fix tables on servers' subnet
default router too ?

Both computers are Linuxes with 2.4 kernel with
iproute2 installed, maybe I should try another
type of tunnel ?

What do you think about this configuration - is it
terribly unsecure considering that I can use iptables
on server ?

Thanks for help.
Michael.
-- 



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Re: installing Redhat kernel on Mandrake?

[Muli Ben-Yehuda]

On Mon, Dec 09, 2002 at 10:27:40AM +0200, Christoph Bugel wrote:

> Yesterday I already tried to compile the kernel myself by
> applying all the patches, but some of them did not apply. maybe
> I should have specified them in a different order, I just did
> it with "for p in *.patch; do patch -p1 < $p; done" (It was
> late at night..)

Bad idea. Some of the patches need to be applied in a specific order,
and some only need to be applied if you're building for a specific
arch, like s390. The spec file that comes with the RPM can be read as
a big shell script, specifying what gets patched and when. 

> Anyway, today I tried to use the binary rpm. turns out it
> contains simply a kernel, plus a /lib/modules/2.4.2-2/
> directory. So I copied those manually in place, edited
> /etc/lilo.conf, and tried my luck. now it fails somewhere
> during boot. has something to do with the initrd (from
> mandrake), the kernel fails to mount the root filesystem, which
> is ext3. I also got some unresolved symbols somewhere in
> initrd. (mandrake uses some gcc 2.96)

See what the other posters already wrote in regards to initrds. 

> I also tried to boot without the initrd line in lilo.conf, but
> it fails somewhere too.  I must admit I don't know exactly what
> the initrd does, and if I can/should use the mandrake-supplied
> one with any random kernel I compile or otherwise install.

No, you'll need to create one that matches (is composed of, actually)
the modules in this specific kernel. 

> now I need to get some 'real work' done first.. I'll try again
> later (using some common sense) and let you know if it worked.

G'luck!
-- 
Muli

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Re: installing Redhat kernel on Mandrake?

[Tzafrir Cohen]

On Mon, 9 Dec 2002, Christoph Bugel wrote:

> Does anyone know if is possible to install a 'redhat kernel' on
> mandrake?

The rpm itself? Probably yes. Though I'm not sure if the install scripts
will work to install it into lilo/grub automatically. Chances are that the
post-install script will fail, or something similar.

Anyway, you can always you rpm2cpio or mc to extract the files from the
rpm (or rebuild the source RPM, as suggested here)

-- 
Tzafrir Cohen
mailto:[EMAIL PROTECTED]
http://www.technion.ac.il/~tzafrir



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Re: installing Redhat kernel on Mandrake?

[Gilad Ben-Yossef]

On Mon, 2002-12-09 at 10:27, Christoph Bugel wrote:

> Anyway, today I tried to use the binary rpm. turns out it
> contains simply a kernel, plus a /lib/modules/2.4.2-2/
> directory. So I copied those manually in place, edited
> /etc/lilo.conf, and tried my luck. now it fails somewhere
> during boot. has something to do with the initrd (from
> mandrake), the kernel fails to mount the root filesystem, which
> is ext3. I also got some unresolved symbols somewhere in
> initrd. (mandrake uses some gcc 2.96)
> 
> I also tried to boot without the initrd line in lilo.conf, but
> it fails somewhere too.  I must admit I don't know exactly what
> the initrd does, and if I can/should use the mandrake-supplied
> one with any random kernel I compile or otherwise install.

"initrd" is short for Inital RAM disk. It's a neat solution for the
following problem: you have some feature you need during boot (SCSI
support, for example). This feature is supported using a loadable kernel
module. You want to load the module during boot BUT the feature is
required to access the file system where your modules are stored!

initrd solves this problem by having small compressed file system with
the modules you need for boot which is mounted during kernel boot, the
modules gets loaded from it (it runs the /linuxrc script off of the
image that does that) and then it the image is discarded and the normal
root file system in mounted.

As you can understand from this description - if you switched the kernel
manually you also need to build a new initrd image manually or you wont
be able to boot (and using the old initrd image wont do as it contains
modules compiled for the old kernel). but don't panic - it's quite easy
:-)

There's a script called mkinitrd which gets invoked with the initrd
image name you want to build and the exact kernel version you want the
initrd build for. So simply build a new initrd image, configure lilo to
load it for your new kernel (don't forget to run lilo!) and reboot. 


Gilad.

-- 
 Gilad Ben-Yossef <[EMAIL PROTECTED]> 
 http://benyossef.com 
 "Denial really is a river in Eygept."


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Re: installing Redhat kernel on Mandrake?

[Geoffrey S. Mendelson]

Christoph Bugel wrote:
> Anyway, today I tried to use the binary rpm. turns out it
> contains simply a kernel, plus a /lib/modules/2.4.2-2/
> directory. So I copied those manually in place, edited
> /etc/lilo.conf, and tried my luck. now it fails somewhere
> during boot. has something to do with the initrd (from
> mandrake), the kernel fails to mount the root filesystem, which
> is ext3. I also got some unresolved symbols somewhere in
> initrd. (mandrake uses some gcc 2.96)

AFIK ext3 file systems did not exist as far as RedHat was concerned
that far back. However, ext3 filesystems should mount as ext2 which
will work, but not be journaled.
 
> I also tried to boot without the initrd line in lilo.conf, but
> it fails somewhere too.  I must admit I don't know exactly what
> the initrd does, and if I can/should use the mandrake-supplied
> one with any random kernel I compile or otherwise install.

The inital ramdisk should not be needed to boot. If it is, Mandrake is
doing something that looks for it. SuSE sticks modules that are needed
for booting in there and there is are make ramdisk scripts depending upon
the version, RedHat does not use it.

Try getting the kernel SOURCE rpm, and install that. It should install
the kernel source to /usr/src/ and probably links
/usr/src/linux to it.

Geoff.

-- 
Geoffrey S. Mendelson
MobilEye Vision Technologies Ltd, R.M.P.E House, 10 Hartom St. Har Hotzvim
Jerusalem, 91450 Israel Tel: +972-2-5417-356 Cell: +972-55-667-090
Do sysadmins count networked sheep?

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Re: installing Redhat kernel on Mandrake?

[Christoph Bugel]

On 2002-12-09, Muli Ben-Yehuda wrote:
> On Mon, Dec 09, 2002 at 08:31:40AM +0200, Christoph Bugel wrote:
> 
> Don't know if you can install it from rpm, but if not, you can either
> 1) rebuild the rpm on the mandrake systems or
> 2) patch a vanilla kernel with all of redhat's patches in the rpm ,
> which will eventually give you the exact same kernel this rpm
> installs. Be forewarned that this could take several hours. 
> 
> I would recommend trying (1) first (assuming you can't install the rpm
> as is). 

Thanks, at least I know there is no black magic involved :)

Yesterday I already tried to compile the kernel myself by
applying all the patches, but some of them did not apply. maybe
I should have specified them in a different order, I just did
it with "for p in *.patch; do patch -p1 < $p; done" (It was
late at night..)

Anyway, today I tried to use the binary rpm. turns out it
contains simply a kernel, plus a /lib/modules/2.4.2-2/
directory. So I copied those manually in place, edited
/etc/lilo.conf, and tried my luck. now it fails somewhere
during boot. has something to do with the initrd (from
mandrake), the kernel fails to mount the root filesystem, which
is ext3. I also got some unresolved symbols somewhere in
initrd. (mandrake uses some gcc 2.96)

I also tried to boot without the initrd line in lilo.conf, but
it fails somewhere too.  I must admit I don't know exactly what
the initrd does, and if I can/should use the mandrake-supplied
one with any random kernel I compile or otherwise install.

now I need to get some 'real work' done first.. I'll try again
later (using some common sense) and let you know if it worked.


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