Re: 64-Bit Land

2010-01-08 Thread Andrew M.A. Cater
On Wed, 2010-01-06 at 18:21 +0100, Sven Joachim wrote:
> On 2010-01-06 18:13 +0100, Freeman wrote:
> 
> > But is somebody still building 32-bit cpu's?
> 
> Yes, see http://en.wikipedia.org/wiki/ARM_architecture, for instance.
> It will be fun when all those embedded devices break.
> 
> Sven

> 

And some relatively  current Intel Atoms - including the one in this
machine which doesn't have 64 bit capability.

Lots of embedded systems too - but at least it's not 2016 yet ... oh no,
wait ...


AndyC






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Re: CPU fan working more than it should

2010-01-08 Thread Klistvud

Dne, 07. 01. 2010 16:08:40 je George napisal(a):

On 1/7/10, Arthur Machlas  wrote:
> On Thu, Jan 7, 2010 at 8:50 AM, George   
wrote:

>
>> I just installed Debian on my laptop and I notice that the CPU fan  
is

>> working much more than it used to work on windows. It must be that
>> Debian changed the temperature threshold. How can I change it back?


Apparently, ACPI implementations in laptops are buggy (or let's say  
non-standardized) more often than not. I suspect M$ must have several  
workarounds in place in order to run -- at least in general -- cooler  
and more power-savvy than GNU/Linux. These workarounds may well be  
industry secrets between M$ and the laptop vendors for all we know ...  
You may read a write up on my humble experience with a heated, noisy,  
jumpy laptop (gosh, sounds like my wife), by hopping over to the link  
provided at the end of my post; just look for the heading "Laptops in  
Heat". There you'll find more about ACPI, the thermal kernel module,  
the trip points and related stuff, and also some relevant links for  
further reading.


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Re: Capturing keypresses during screensaver.

2010-01-08 Thread Klistvud

Dne, 07. 01. 2010 21:58:51 je Timothy Legg napisal(a):


When using Gnome on Lenny,

If the user starts typing while a screensaver is operating, the  
character

representing the first keypress is lost.  Is there a way that the
screensaver can send this character to the focused application?



You may achieve that by "disabling" the screensaver and relying on the  
Gnome Power Options to blank your monitor instead (say, by setting the  
monitor to standby after a given amount of minutes). In this case, the  
screensaver won't kick in, but it will still be used for detecting  
"idle" system condition. The actual timeout taken by the monitor to  
standby is the sum of the two timeouts (when you slide the screensaver  
timeout slider, you can watch the Gnome Power Options slider move  
accordingly, to reflect that).


Of course, this way, any fancy screensaver (company logo) you may have  
in place will be lost.


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Re: New testing install; no /boot/grub/menu.lst exists.

2010-01-08 Thread Klistvud

Dne, 08. 01. 2010 01:32:32 je s. keeling napisal(a):


Thanks.  That's looking very tempting at the moment.  So far, I've not
solved it.



It would not be unwise to switch to Grub 2 (the new Grub that's slowly  
becoming the default in many distros). It stores its configuration in  
/boot/grub/grub.cfg (not in menu.lst anymore) and is every bit as  
capable as grub legacy and then some (for example, it can boot some  
live CD.ISO images -- such as Ubuntu -- from your hard drive; also,  
Grub splash images are fairly easy to implement; and pre-existing  
systems on your hard drives/partitions are detected automagically and  
added to the Grub startup menu; it's also more consistent IMHO). The  
configuration is not handled by directly editing the grub.cfg, but by  
modifying the scripts in /etc/grub.d and then running update-grub.


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Re: Two computers in one: two users each with their own accounts, monitor, and keyboard?

2010-01-08 Thread Stan Hoeppner

On Wed, 6 Jan 2010 19:15:28 -0600, "Boyd Stephen Smith Jr."
 wrote:
> In <4b44b28b.10...@hardwarefreak.com>, Stan Hoeppner wrote:
>> To make OpenGL
>> really scream on single user 3D chips, they had to eliminate over the
>> network OpenGL completely, as keeping that capability would have totally
>> hosed the rendering pipeline performance for 3D chips.
> 
> That makes no sense.  OpenGL is an abstration, like the X protocol
itself. 

It makes sense when one takes into account that over 99% of the GL
extensions developed over the past decade target a local GPU optimized
OpenGL server.  Each OpenGL server implementation must target a rendering
device, and the Linux OpenGL server has been written with a local GPU
device driver as the target.  This change in architecture occurred in the
early 2000's IIRC.  I recall seeing something on LKML or a similar list
about the final abandonment of remote rendering capability for OpenGL in
Linux because the two requirements were inversely compatible:  local GPU vs
remote network rendering.  Due to the latencies, if you optimize for one
the other sucks, and if you optimize for the middle, both end up unusable. 
Thus, at that point, the OpenGL server in Linux became GPU centric and no
network rendering was possible.  I don't have a link or hard copy.  Like I
said I read this 8-10 years ago.  IIRC, this change took place back in the
2.0 kernel era.

For one to develop a network centric OpenGL application today, you would
require a hardware (GPU) agnostic OpenGL server component.  Good luck
finding one.  You'll likely need a time machine to take you back prior to
the late 90's.  One would also require an OpenGL client design optimized
for use with a hardware agnostic OpenGL server on a remote IP address. 
Again, good luck finding such a beast.  Oh, I guess you could write one of
each, and then write your network OpenGL application to take advantage of
them, regardless of their limited rendering capability.  Good luck
troubleshooting any capability and/or performance issues.

Due to the client/server model of OpenGL, what you say is possible, and in
the 80s and 90s was the norm.  But it hasn't been for over a decade due to
ultra cheap 3D rendering chips.  The need for the network model evaporated,
and all the operating systems adapted to this paradigm shift.

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latest sid of Dec. 25 can't see partition

2010-01-08 Thread Paul Scott

Hi All,

Late on Dec. 25 I rebooted my sid system and my home directory is no 
longer visible to my system even to Grub.  It contains my home 
directory.  An Ubuntu 8.10 live CD sees it just fine.  I normally keep 
everything updated unless apt-listbugs shows.


FWIW it's /dev/hda10 on a 40GB drive.  The / directory which is 
/dev/hda9 is completely visible.


Is anyone aware of any recent changes that would cause this?

Any diagnostic ideas?


TIA,

Paul Scott



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Re: Handle paths with spaces

2010-01-08 Thread Jon Dowland
On Thu, Jan 07, 2010 at 08:35:56AM -0800, Bob McGowan wrote:
> Doesn't work - bash and the 'for' loop work on newline
> terminated strings and don't know how to handle the null
> terminator from -print0:

That's why I said

> > Look at the -print0 arg for find and the -0 argument for
> > xargs.

You need to use them both, *instead* of the for loop.

> I would suggest to the OP that they use a 'while' loop
> rather than 'for':
snip
> The 'read' gets the whole line, ignoring spaces.

Let's hope none of the files have newlines in their names.


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Re: Disallow other users from reading my $HOME

2010-01-08 Thread Jon Dowland
On Thu, Jan 07, 2010 at 10:24:27PM +, Roger Leigh wrote:
> Once could just give execute perm to ~ and maybe additionally
> read as well to ~/public_html?

Exactly right. The read to ~/public_html is not necessary if
you have +x and a suitable index file underneath which is
readable, but it doesn't really hurt. (some people might not
want their web directories 'indexable'. Those people will
not want +r, but they will also want to turn of their web
server's directory indexing feature too).


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Re: Removing the indent-string quote marker '>' in emails.

2010-01-08 Thread Andrei Popescu
On Sun,03.Jan.10, 13:18:59, Freeman wrote:
> On Sun, Jan 03, 2010 at 03:50:32PM -0500, Chris Jones wrote:
> > 
> > Hmm.. what exactly is your 'smartlist'?
> 
> "Was" my smartlist. It was an attempt at a social list among fiends back in
> the day, when I fell in love with email and the usenet and thought I might
> make something of it.  :)
> 
> Smartlist is built on procmail and is on their page. It is easily Googled
> because so many play with it.  But host services tend to dislike it.  To
> many messy experiments maybe.
 
Do you mean the SmartList mentioned here[1]? ;)

[1] http://www.debian.org/MailingLists/

Regards,
Andrei
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LVM+RAID+CRYPT

2010-01-08 Thread Sjors van der Pluijm
Hi all,

I have been using Debian for a few years now. For my new workstation I want to 
try something new. What I want to do:
1. Make a RAID1 using two SATA discs
2. Create one partition on the RAID
3. Encrypt that partition
4. Use LVM on the partition

I can't find very much info on this setup and have some questions:
1. Is this a wise setup?
2. What's the difference between the two encryptions Lenny offers? Which one is 
better?
3. Is it ok to have swap and /boot on an encrypted LVM?
4. Are there any alternatives I should consider? ZFS seems great, but is only 
available in userspace AFAIK.

Thanks


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LVM+RAID+CRYPT

2010-01-08 Thread Sjors van der Pluijm
Hi all,

I have been using Debian for a few years now. For my new workstation I want to 
try something new. What I want to do:
1. Make a RAID1 using two SATA discs
2. Create one partition on the RAID
3. Encrypt that partition
4. Use LVM on the partition

I can't find very much info on this setup and have some questions:
1. Is this a wise setup?
2. What's the difference between the two encryptions Lenny offers? Which one is 
better?
3. Is it ok to have swap and /boot on an encrypted LVM?
4. Are there any alternatives I should consider? ZFS seems great, but is only 
available in userspace AFAIK.

Thanks

PS: I resend this message because I think the first one didn't make it to the 
list. Sorry if it did


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Stan Hoeppner
Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:

> 3. Is it ok to have swap and /boot on an encrypted LVM?

Never run encryption on swap.  Doing so merely burdens performance.  I doubt
even NSA, CIA, MI6 encrypt swap partitions on workstations.

I've never tried to boot from an encrypted /boot, so I really can't say if it
would work or not.  Why can't/won't you create 3 partitions?

[boot] 100MB mounted as /boot normal ext2
[swap] 1-8GB mounted as normal swap partition
[root] [remaining space] mounted as /root and encrypted however you like

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Re: LVM+RAID+CRYPT

2010-01-08 Thread Sjors van der Pluijm
Op vrijdag 8 januari 2010 12:26:37 schreef Stan Hoeppner:
> Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:
> > 3. Is it ok to have swap and /boot on an encrypted LVM?
> 
> Never run encryption on swap.  Doing so merely burdens performance.  I
>  doubt even NSA, CIA, MI6 encrypt swap partitions on workstations.
Well, I might heave read wrong, but I thought the Debian installer warned me 
not to leave swap unencrypted while other partitions are encrypted. It makes 
sense too: sensitive content could easily be written to swap.

> I've never tried to boot from an encrypted /boot, so I really can't say if
>  it would work or not.  Why can't/won't you create 3 partitions?
> 
> [boot] 100MB mounted as /boot normal ext2
> [swap] 1-8GB mounted as normal swap partition
> [root] [remaining space] mounted as /root and encrypted however you like
Just found out that /boot should not be in LVM because bootloaders might not 
understand it. /boot unencrypted does not seem to be the end of the world.
http://tldp.org/HOWTO/LVM-HOWTO/benefitsoflvmsmall.html

> 
> --
> Stan
> 


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Mark Allums

On 1/8/2010 5:26 AM, Stan Hoeppner wrote:

Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:


3. Is it ok to have swap and /boot on an encrypted LVM?


Never run encryption on swap.  Doing so merely burdens performance.  I doubt
even NSA, CIA, MI6 encrypt swap partitions on workstations.

I've never tried to boot from an encrypted /boot, so I really can't say if it
would work or not.  Why can't/won't you create 3 partitions?



4:


[boot] 200MB mounted as /boot normal ext2
[swap] 1-8GB mounted as normal swap partition
[root] [1/3 remaining space] mounted as / [root] and encrypted however you like


[home]  [2/3 remaining space]  probably the most urgent for encryption


Mark Allums


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Re: LVM+RAID+CRYPT

2010-01-08 Thread randall

Sjors van der Pluijm wrote:

Op vrijdag 8 januari 2010 12:26:37 schreef Stan Hoeppner:
  

Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:


3. Is it ok to have swap and /boot on an encrypted LVM?
  

Never run encryption on swap.  Doing so merely burdens performance.  I
 doubt even NSA, CIA, MI6 encrypt swap partitions on workstations.

Well, I might heave read wrong, but I thought the Debian installer warned me 
not to leave swap unencrypted while other partitions are encrypted. It makes 
sense too: sensitive content could easily be written to swap.


  
i maintain a few laptops with encryption and i developed the following 
habit.


/  10GB
/home the rest + encryption

these are fairly new laptops with or more then 1GB RAM, simply not 
having any /swap solves the problem and with enough RAM available i 
never had any problem.


not having the / root partition encrypted leaves some room for trouble 
shooting is the thought here since the sensitive information is in the 
/home anyway.


not sure if this is the best way to do this but its simple and works 
nicely in my experience.


Randall






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is there a tool which can make a index for my pdf file?

2010-01-08 Thread renjun wang
hi all,
   Is there a tool which can make a index for my exist pdf files? I find
it is too boring for reading a pdf file without a index.Or a highly
efficient method for reading the pdf file? thanks very much.
best regards,


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Grub 2

2010-01-08 Thread James Allsopp
Hi,
I'm trying to install Debian Lenny on a new computer. I've only one IDE
port so I've put an old 120GB drive as master and a cd rom as slave. The
IDE is only really going to be used to store virtual oses on, and may
disappear at some point.

The main drives are 2x1Tb SATA drives, which has 300mb for boot on each,
then the rest is set up as RAID1, with all the partitions stored in an
LVM on this RAID setup.

I've set the motherboard to boot off the first of the SATA drives, the
one with the actual boot partition on. I intend to mirror these later
for redundancy. I'm fine when I use GRUB 0.97 as I can edit the debian
settings which always put hd(1,0) when as I'm booting and then have it
boot. Problem is, I want to use grub2 as the first thing I'm going to do
is upgrade to debian testing, which uses this. Because debian is
convinced the boot drive is hd(1,0) I get an error 15.

I'm trying to find out how to solve this, either by manually editing the
grub file on boot, or by rescuing the installation and then editing the
grub.

Any help would be really appreciated.
Jim


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Γιώργος Πάλλας

Stan Hoeppner wrote:

Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:

  

3. Is it ok to have swap and /boot on an encrypted LVM?



Never run encryption on swap.  Doing so merely burdens performance.  I doubt
even NSA, CIA, MI6 encrypt swap partitions on workstations.

I've never tried to boot from an encrypted /boot, so I really can't say if it
would work or not.  Why can't/won't you create 3 partitions?

[boot] 100MB mounted as /boot normal ext2
[swap] 1-8GB mounted as normal swap partition
[root] [remaining space] mounted as /root and encrypted however you like
  


I run a couple of identical machines, some with full disk encryption 
(i.e. everything including swap except /boot which you cannot encrypt) 
and some where only home is encrypted with LUKS. Never noticed any 
performance impact. I think that swap encryption is *mandatory* for the 
reason of there being written many things that shouldn't in case they 
are sensitive. And I guess this why the approach of the debian installer 
should you choose to encrypt includes swap encryption.


G.


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Sjors van der Pluijm
Op vrijdag 8 januari 2010 13:40:00 schreef Γιώργος Πάλλας:
> Stan Hoeppner wrote:
> > Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:
> >> 3. Is it ok to have swap and /boot on an encrypted LVM?
> >
> > Never run encryption on swap.  Doing so merely burdens performance.  I
> > doubt even NSA, CIA, MI6 encrypt swap partitions on workstations.
> >
> > I've never tried to boot from an encrypted /boot, so I really can't say
> > if it would work or not.  Why can't/won't you create 3 partitions?
> >
> > [boot] 100MB mounted as /boot normal ext2
> > [swap] 1-8GB mounted as normal swap partition
> > [root] [remaining space] mounted as /root and encrypted however you like
> 
> I run a couple of identical machines, some with full disk encryption
> (i.e. everything including swap except /boot which you cannot encrypt)
> and some where only home is encrypted with LUKS. Never noticed any
> performance impact. I think that swap encryption is *mandatory* for the
> reason of there being written many things that shouldn't in case they
> are sensitive. And I guess this why the approach of the debian installer
> should you choose to encrypt includes swap encryption.
> 
> G.
> 

Ok, getting a clear picture here.
I will have /boot en / on a seperate partition. The remainer will be encrypted 
and configured using LVM (/home, /tmp, /var and swap)

Thanks!


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Re: Grub 2

2010-01-08 Thread Tixy
On Fri, 2010-01-08 at 12:33 +, James Allsopp wrote:

> Problem is, I want to use grub2 as the first thing I'm going to do
> is upgrade to debian testing, which uses this.


Is there a reason for not just installing Debian Testing rather than
trying to get Lenny on there first? The testing install would add Grub2
and I believe that it (and fstab) now use UUIDs to identify drives,
which helps avoid hdX/sdX drive identification mixups.

I a newbie to a lot of this, so may be talking rubbish. ;-)

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Re: Two computers in one: two users each with their own accounts, ??monitor, and keyboard?

2010-01-08 Thread Chris Davies
Dotan Cohen  wrote:
> Thanks, Chris. Once I had discovered the keyword "multiseat" I have
> been able to google what I need on the topic. I do appreciate the
> gentle hint, though. I do try to be independent.

No problem. Glad it was useful
Chris


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jabber cliente

2010-01-08 Thread Jesus arteche
hey¡

Someone knows if there are some jabber client which support voice and video?

thanks


Re: Grub 2

2010-01-08 Thread Mark Allums

On 1/8/2010 7:15 AM, Tixy wrote:

On Fri, 2010-01-08 at 12:33 +, James Allsopp wrote:


Problem is, I want to use grub2 as the first thing I'm going to do
is upgrade to debian testing, which uses this.



Is there a reason for not just installing Debian Testing rather than
trying to get Lenny on there first? The testing install would add Grub2
and I believe that it (and fstab) now use UUIDs to identify drives,
which helps avoid hdX/sdX drive identification mixups.

I a newbie to a lot of this, so may be talking rubbish. ;-)



Sometimes, the new installer is broken.  Other than that, I concur, 
install from squeeze and be done with it.


Mark Allums


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Re: Grub 2

2010-01-08 Thread Tixy
On Fri, 2010-01-08 at 13:24 +, James Allsopp wrote:
> I looked for that install but it seemed to take me back to the penny
> install site,  i'll look again,  Jim 

Look for the 'netinst' iso at
http://www.debian.org/devel/debian-installer/

I've used that method several times to install Testing; though as the
installer is built daily, it may on occasion be broken.

I also note that the "Changes for Squeeze in Debian Installer"¹ says
"setting up RAID, LVM and crypto is simplified", which you may
appreciate. (I've no personal experience of this though.)

Cheers
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[1] http://lists.debian.org/debian-devel-announce/2010/01/msg2.html


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Re: jabber cliente

2010-01-08 Thread randall

Jesus arteche wrote:

hey¡

Someone knows if there are some jabber client which support voice and 
video?


thanks
i thought the latest pidgin had this finaly implemented, think i also 
heard that it was to be included in telepathy



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Re: LVM+RAID+CRYPT

2010-01-08 Thread Cassiano Leal
2010/1/8 Γιώργος Πάλλας :
> Stan Hoeppner wrote:
>>
>> Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:
>>
>>
>>>
>>> 3. Is it ok to have swap and /boot on an encrypted LVM?
>>>
>>
>> Never run encryption on swap.  Doing so merely burdens performance.  I
>> doubt
>> even NSA, CIA, MI6 encrypt swap partitions on workstations.
>>
>> I've never tried to boot from an encrypted /boot, so I really can't say if
>> it
>> would work or not.  Why can't/won't you create 3 partitions?
>>
>> [boot] 100MB mounted as /boot normal ext2
>> [swap] 1-8GB mounted as normal swap partition
>> [root] [remaining space] mounted as /root and encrypted however you like
>>
>
> I run a couple of identical machines, some with full disk encryption (i.e.
> everything including swap except /boot which you cannot encrypt) and some
> where only home is encrypted with LUKS. Never noticed any performance
> impact. I think that swap encryption is *mandatory* for the reason of there
> being written many things that shouldn't in case they are sensitive. And I
> guess this why the approach of the debian installer should you choose to
> encrypt includes swap encryption.
>
> G.
>

I second most opinions here.

Mainly: NEVER leave swap unencrypted if encryption is for security
(i.e. anything more than just playing around with encryption) as any
data that's on your computer RAM might at some point be written to the
swap space and that has

Also, I would not leave / (root) unencrypted as that might hold
sensitive information too. In my work laptop I have custom entries in
/etc/hosts, I also have an apache/php setup that holds company info,
etc.

The recommended setup to encrypt everything but /boot is good and I
could not perceive any performance degradation (even though I'm sure
there must be some, it is not something that gets in my way).

Cheers,
Cassiano Leal


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Re: KVM networking

2010-01-08 Thread T o n g
On Thu, 07 Jan 2010 16:13:20 +, Jon Dowland wrote:

>> I want all users in the kvm group can start kvm and have network
>> access.
>>  Does this require different setting than your previous answer?
> 
> I believe so, see below. . .

Thanks a lot!

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Re: aptitude forces full-upgrade

2010-01-08 Thread Daniel Burrows
  It would be easier to answer the question if you provided specific
examples of packages that apt-get didn't install and aptitude did.  A
full copy/paste of the upgrade preview from both programs would be
particularly helpful.

  Daniel


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Re: pvmove "Couldn't find device with uuid"

2010-01-08 Thread Noah Meyerhans
On Thu, Jan 07, 2010 at 10:13:12PM -0430, Olaf Reitmaier Veracierta wrote:
>
> Well I use LVM but in Redhat maybe you need to reaload extends on nodes:|
>
> clvmd -R
> |
> Look at this:
>
> http://kbase.redhat.com/faq/docs/DOC-3786

Thanks, this is the most promising lead yet.  Alas, etch's clvmd is too
old to have that flag.  Hopefully rebooting the nodes will take care of
that, but of course, that's not exactly something that can happen
trivially.

noah



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Re: Comparing two debian boxes (find which package is different)

2010-01-08 Thread Mathieu Malaterre
On Wed, Jan 6, 2010 at 12:27 AM, Rob Owens  wrote:
> There's also "apt-show-versions".  It'll tell you the version and if
> it's from lenny, squeeze, etc.

Worked out perfectly ! Thanks.

-- 
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Re: LVM+RAID+CRYPT

2010-01-08 Thread Jon Dowland
On Fri, Jan 08, 2010 at 12:13:14PM +0100, Sjors van der Pluijm wrote:
> Hi all,
> 
> I have been using Debian for a few years now. For my new workstation I want 
> to 
> try something new. What I want to do:
> 1. Make a RAID1 using two SATA discs
> 2. Create one partition on the RAID
> 3. Encrypt that partition
> 4. Use LVM on the partition
> 
> I can't find very much info on this setup and have some questions:
> 1. Is this a wise setup?

Be aware that RAID-1 in itself is no substitute for a backup
system.

That said, The order should be something like

physical devices partitioned identically, with a small-ish
boot (512M usually suffices) and the remaining space
dedicated to one large partition[1].

two software RAID devices

md0 - with the two small boot partitions as backing
md1 - with the large remaining partition as backing

Stick an ext3 filesystem on top of md0 and use it as /boot.

Then, format md1 as an LVM physical volume + plumb it into
a volume group. 

Carve out a logical volume for /. I wouldn't bother
encrypting this myself, personally.

Carve out a logical volume for swap. I'd encrypt this with a
random key. mkswap the resulting block device.

Carve out a logical volume for your main user's $HOME. I'd
encrypt this with a passphrase of your choosing.  I'd use
the LUKS settings as your encryption parameters, via device
mapper 'dm-crypt'. Stick an ext3 filesystem on top of the
resulting block device.

So, from bottom to top, the stacking order is

physical devices
DOS-style partition tables
MD RAID
LVM
dm-loop crypto where necessary

The reason for having the /boot outside of LVM is so that
bootloaders can read it OK.  In the old days, grub would
read the kernel and initrd from one of the underlying
partitions (not understanding MD RAID itself) but that
worked fine, since all writing to the partitions was done
via the OS and thus through the MD RAID layer. Modern grubs
might be able to understand MD RAID, LVM, who knows what.

I would do all of the above steps using the debian-installer
if you are installing from scratch, with the exception of
your $HOME, which I would do by hand once the system was
installed. "luksformat" with the "-t ext3" option is a
useful shortcut for formatting a LVM logical volume with
dm-crypt and sticking a filesystem on top. I'd also use
"libpam-mount" to configure it to be unlocked with your
passphrase and mounted automatically on login.

Finally, unless you specify a seperate /tmp and encrypt that
(and/or /var/tmp too), I would create a ~/tmp and ensure you
have TMPDIR pointing at it, or some apps might store some
working files in a non-encrypted location. You will find
that not all apps honour TMPDIR, so be prepared to file some
bugs :))

> 3. Is it ok to have swap and /boot on an encrypted LVM?

swap yes, /boot no (your bootloader needs to read it. You
don't have anything confidential in your vmlinuz or
initramfs)

[1] For large hard drives, I create a medium-to-large
partition, rather than fill the disk. Just in case
I want to use some of the remaining space for a
non-Linux purpose. I can always create a new partition,
format it as an LVM physical volume and add it to my
existing volume group if I want the space in Linux after
all, further down the line.


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Re: Problems with the install kernel on serverworks chipset.

2010-01-08 Thread Camaleón
On Fri, 08 Jan 2010 02:01:53 +0100, Mathias wrote:

(...)
 
> The machine is a HP NetServer E800 with ASUS CUR-DLS mobo, dual P-III.
> 
> Any tips?

It's listed here:

http://kmuto.jp/debian/hcl/ASUS/CUR-DLS

It seems that was tested with kernel 2.6.25.

Greetings,

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Re: How to temporary set dvorak keymap in terminal

2010-01-08 Thread Camaleón
On Wed, 06 Jan 2010 22:32:52 +, Sebastian wrote:

> I'm just getting started learning the dvorak layout using the package
> dvorak7min. So far I have only been able to practice under X using
> 'setxkbdmap dvorak' which works great. What I'm interested in if there's
> an easy way to (temporarily as I'm nowhere near fluent yet) load another
> keymap as an ordinary user in a regular terminal session. I have tried
> the loadkeys command but that doesn't work for a ordinary user here. I'm
> running a mixed-release debian with apt-pinning (mainly testing). Any
> suggestions appreciated.

Although I don't like using "sudo" so much, this can be a good reason to 
set it up :-)

Greetings,

-- 
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Re: Problems with the install kernel on serverworks chipset.

2010-01-08 Thread Stan Hoeppner

On Fri, 8 Jan 2010 15:38:41 + (UTC), Camaleón 
wrote:
> On Fri, 08 Jan 2010 02:01:53 +0100, Mathias wrote:
> 
> (...)
>  
>> The machine is a HP NetServer E800 with ASUS CUR-DLS mobo, dual P-III.
>> 
>> Any tips?
> 
> It's listed here:
> 
> http://kmuto.jp/debian/hcl/ASUS/CUR-DLS
> 
> It seems that was tested with kernel 2.6.25.

What SCSI RAID card is in the machine, if any?

--
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Re: Problems with the install kernel on serverworks chipset.

2010-01-08 Thread Mathias

On Fri, 8 Jan 2010, Stan Hoeppner wrote:


On Fri, 8 Jan 2010 15:38:41 + (UTC), Camaleón 
wrote:

On Fri, 08 Jan 2010 02:01:53 +0100, Mathias wrote:

(...)


The machine is a HP NetServer E800 with ASUS CUR-DLS mobo, dual P-III.

Any tips?


It's listed here:

http://kmuto.jp/debian/hcl/ASUS/CUR-DLS

It seems that was tested with kernel 2.6.25.


What SCSI RAID card is in the machine, if any?



It's equpiped with 2-chan LSI SYM53C896 U160 and an Adaptec 1200A 
ATA-100/ATA-133 controller to replace the crappy Broadcom IDE controller 
this board has.


Anyway, I managed to install a basic configuration of Etch, late last night, 
booting in with LILO (Wanted Grub 2, but my XFS disks wont work with it).

So I'm going to try and upgrade it further from there.

Mat

Re: CPU fan working more than it should

2010-01-08 Thread Arthur Machlas
On Fri, Jan 8, 2010 at 3:42 AM, Klistvud  wrote:

> Dne, 07. 01. 2010 16:08:40 je George napisal(a):
>
> On 1/7/10, Arthur Machlas  wrote:
>> > On Thu, Jan 7, 2010 at 8:50 AM, George  wrote:
>> >
>> >> I just installed Debian on my laptop and I notice that the CPU fan is
>> >> working much more than it used to work on windows. It must be that
>> >> Debian changed the temperature threshold. How can I change it back?
>>
>
> Apparently, ACPI implementations in laptops are buggy (or let's say
> non-standardized) more often than not. I suspect M$ must have several
> workarounds in place in order to run -- at least in general -- cooler and
> more power-savvy than GNU/Linux. These workarounds may well be industry
> secrets between M$ and the laptop vendors for all we know ... You may read a
> write up on my humble experience with a heated, noisy, jumpy laptop (gosh,
> sounds like my wife), by hopping over to the link provided at the end of my
> post; just look for the heading "Laptops in Heat". There you'll find more
> about ACPI, the thermal kernel module, the trip points and related stuff,
> and also some relevant links for further reading.
>
> --
> Regards,
>
> Klistvud
> Certifiable Loonix User #481801
> http://bufferoverflow.tiddlyspot.com
>
In addition to the info above, I use the PHC patch to allow undervolting of
the CPU, or in my case CPUs. Without it on a default kernel my fan kicks in
every 30 seconds or so. With it it doesn't kick in at all unless I do
something like render video or compile a kernel. Haven't bothered to check
the temp differences or do any real benchmarking.

Best,
Arthur


an appreciation

2010-01-08 Thread Ross Boylan
Perhaps I'm in a peculiar mood, but I so appreciate the candor that
characterizes Debian, in contrast to the marketing talk so common in the
industry.  I'm referring to the quotes around "fixed" in the message
below.

Keep up the good work!

Ross Boylan

On Fri, 2010-01-08 at 00:36 +, Testing Security Team wrote:
> Removed from testing:
> =
> The following issues have been "fixed" by removing the (source)
> packages from testing. 


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Re: Problems with the install kernel on serverworks chipset.

2010-01-08 Thread Stan Hoeppner

On Fri, 8 Jan 2010 18:24:52 +0100 (CET), Mathias  wrote:

>> What SCSI RAID card is in the machine, if any?
>>
> 
> It's equpiped with 2-chan LSI SYM53C896 U160 and an Adaptec 1200A 
> ATA-100/ATA-133 controller to replace the crappy Broadcom IDE controller 
> this board has.
> 
> Anyway, I managed to install a basic configuration of Etch, late last
> night, 
> booting in with LILO (Wanted Grub 2, but my XFS disks wont work with it).
> So I'm going to try and upgrade it further from there.

If your skills are up to it, I'd recommend building a custom non-initrd
kernel with your storage controller and network drivers (and all needed
drivers for that matter) built in.  That would eliminate this boot problem.


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Matthew Moore
On Friday January 8 2010 4:41:54 am Sjors van der Pluijm wrote:
> Just found out that /boot should not be in LVM because bootloaders might
>  not understand it. /boot unencrypted does not seem to be the end of the
>  world. http://tldp.org/HOWTO/LVM-HOWTO/benefitsoflvmsmall.html

Since we are being paranoid, what happens if the NSA breaks into your home 
when you are asleep and installs a hypervisor on your /boot that records your 
password/keyfile next time you derypt?

The way that I have heard to prevent this type of attack is to store checksums 
of every file in /boot on the encrypted partition and then verify those 
checksums on startup.

MM


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Sound problem

2010-01-08 Thread Peter Ulrich Kruppa

Hello list,

(I am not to experienced with debian - I hope I didn' overlook 
some FAQ.)


I just installed debian-5.0 with kde-5.3 on an old Laptop (Medion 
MD 5222). Everything works fine so far, but I have problems with 
the sound device.


This is the output of   # cat /dev/sndstat

Sound Driver:3.8.1a-980706 (ALSA v1.0.16 emulation code)
Kernel: Linux x  2.6.26-2-686 #1 SMP Wed Nov 4 20:45:37 UTC 
2009 i686

Config options: 0

Installed drivers:
Type 10: ALSA emulation

Card config:
VIA 82C686A/B rev50 with AD1886 at 0x1000, irq 5

Audio devices:
0: VIA 82C686A/B rev50 (DUPLEX)

Synth devices: NOT ENABLED IN CONFIG

Midi devices: NOT ENABLED IN CONFIG

Timers:
7: system timer

Mixers:
0: Analog Devices AD1886
-

I can 	# cat  /dev/audio	and kde will play some 
little tune when started.
But it seems neither kde's CD-player nor its mulimedia-player can 
produce any sound.


What's wrong here?

Thanks for your help.

Uli.


| Peter Ulrich Kruppa
| Wuppertal
| Germany


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Re: Problems with the install kernel on serverworks chipset.

2010-01-08 Thread Mathias

On Fri, 8 Jan 2010, Stan Hoeppner wrote:


On Fri, 8 Jan 2010 18:24:52 +0100 (CET), Mathias  wrote:


What SCSI RAID card is in the machine, if any?



It's equpiped with 2-chan LSI SYM53C896 U160 and an Adaptec 1200A
ATA-100/ATA-133 controller to replace the crappy Broadcom IDE controller
this board has.

Anyway, I managed to install a basic configuration of Etch, late last
night,
booting in with LILO (Wanted Grub 2, but my XFS disks wont work with it).
So I'm going to try and upgrade it further from there.


If your skills are up to it, I'd recommend building a custom non-initrd
kernel with your storage controller and network drivers (and all needed
drivers for that matter) built in.  That would eliminate this boot problem.


Yeah, that's no problem, just have to figure out all the hardware, so I wont 
miss to include any modules. Been compiling loads of kernels over the years, 
but it's been a while now, hope it hasn't changed that much. :)


Mat


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Re: Two computers in one: two users each with their own accounts, monitor, and keyboard?

2010-01-08 Thread Boyd Stephen Smith Jr.
In , Stan Hoeppner wrote:
>On Wed, 6 Jan 2010 19:15:28 -0600, "Boyd Stephen Smith Jr."
> wrote:
>> In <4b44b28b.10...@hardwarefreak.com>, Stan Hoeppner wrote:
>>> To make OpenGL
>>> really scream on single user 3D chips, they had to eliminate over the
>>> network OpenGL completely, as keeping that capability would have totally
>>> hosed the rendering pipeline performance for 3D chips.
>>
>> That makes no sense.  OpenGL is an abstration, like the X protocol
>>itself.
>
>It makes sense when one takes into account that over 99% of the GL
>extensions developed over the past decade target a local GPU optimized
>OpenGL server.

Yet again, you make no points about OpenGL that have not been make about X in 
the past.  Yet, X (and I'm pretty sure OpenGL) still *work* over the network.  
They aren't as fast, but the network increases latency in all things.  NFS 
isn't as fast as a local filesystem, either.

Also the X client/server model is different than the open OpenGL remote 
rendering model.  In the OpenGL remote rendering model a program running on a 
local CPU would send commands to a remote GPU and the results would be viewed 
on a local display.  In the X client/server model a program running on a 
remote CPU would send commands to a local GPU and the results would be view on 
a local display.
-- 
Boyd Stephen Smith Jr.   ,= ,-_-. =.
b...@iguanasuicide.net   ((_/)o o(\_))
ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-'
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Re: LVM+RAID+CRYPT

2010-01-08 Thread Stan Hoeppner
Matthew Moore put forth on 1/8/2010 12:49 PM:

> Since we are being paranoid, what happens if the NSA breaks into your home 
> when you are asleep and installs a hypervisor on your /boot that records your 
> password/keyfile next time you derypt?

Until now I had no reason for an IMAP folder labeled "kook".  Oh, wait, that's
because these messages go in the "trash" folder.

;)

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Re: LVM+RAID+CRYPT

2010-01-08 Thread Boyd Stephen Smith Jr.
In <4b47166d.8070...@hardwarefreak.com>, Stan Hoeppner wrote:
>Sjors van der Pluijm put forth on 1/8/2010 5:13 AM:
>> 3. Is it ok to have swap and /boot on an encrypted LVM?

Swap is okay.  Boot depends on your boot loader.  I don't know if grub2 can 
handle this or not.

>Never run encryption on swap.  Doing so merely burdens performance.  I doubt
>even NSA, CIA, MI6 encrypt swap partitions on workstations.

BS.  Encrypting swap is *critical*.  If you do not, an attacker can use 
differential cryptanalysis between what is swapped out and the cyphertext on 
disk.

Before even generating the encryption keys for other devices, you should 
change the mount options of your swap partition so that it is encrypted using 
a random key and then remount it.
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Re: Two computers in one: two users each with their own accounts, monitor, and keyboard?

2010-01-08 Thread Stan Hoeppner
Boyd Stephen Smith Jr. put forth on 1/8/2010 1:35 PM:

> Yet again, you make no points about OpenGL that have not been make about X in 
> the past.  Yet, X (and I'm pretty sure OpenGL) still *work* over the network. 
>  

Cite an example of a current working Linux remote OpenGL implementation.  I'd
love to read about it.

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Re: Recovering data from NTFS disk

2010-01-08 Thread KS
Jochen Schulz wrote:
> KS:
>>
>> I have already started testdisk and it is analysing the disk since the
>> last hour or so. Should be finished soon.
> 
> Good luck!
> 
>> It might give me an hint as to what is the status of the disk.

No, it coudn't find any partition table after 2 passes.

I started photorec and it has found hundred's of files. It says it will
take around 20 more hours to finish.

> 
> Install smartmontools and try to run smartctl -a /dev/sdb on it. Then
> post the output. It might be that smartctl doesn't work over USB. In
> that case you would have to connect the disk directly via SATA/IDE.
> 

The HDD is connected to internal SATA connector. Sadly, the external USB
drives sold these days don't have the capability of reading SMART data.
I have an old WD external disk which does, but a newer Lacie does not
and it doesn't spin down the HDD either!

Waiting for photorec to finish.

/ks


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Re: jabber cliente

2010-01-08 Thread Kelly Clowers
On Fri, Jan 8, 2010 at 06:07, randall  wrote:
> Jesus arteche wrote:
>>
>> heyĄ
>>
>> Someone knows if there are some jabber client which support voice and
>> video?
>>
>> thanks
>
> i thought the latest pidgin had this finaly implemented, think i also heard
> that it was to be included in telepathy

Yep, Empathy/Telepathy has voice and video now.

Cheers,
Kelly Clowers


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Ross Boylan
On Fri, 2010-01-08 at 05:26 -0600, Stan Hoeppner wrote:
> 
> Never run encryption on swap.  Doing so merely burdens performance.  I
> doubt
> even NSA, CIA, MI6 encrypt swap partitions on workstations.
This is completely contrary to the advice of the encryption folks.  You
MUST encrypt swap in order for your system to be secure; otherwise
secrets in RAM may be recoverable from the swap partition.

The setup I've been using has 2 physical disks.  Each disk has an boot
partition, a swap partition, and a big remaining partition.
I RAID (0 I think--simple mirroring--apparently anything fancier is
slower) the first and 3rd partitions.  

The 3rd partition is all under LVM, and individual logical volumes
within it are encrypted (and fstab says to dynamically encrypt the
swap).

I do not RAID the swap (2nd partition), just to get more space (and
maybe it's faster).

I do encrypt the root partition, and I put encryption keys on it to
unlock the other partitions.  This avoids having to enter pass-phrases
for every encrypted volume.

If you simply want to encrypt everything, it would be simpler to encrypt
the 3 partition and then run LVM on top of it, ie., bare disk : raid :
encryption: LVM physical volume : LVM logical volumes.

We have encountered one problem: when the first disk failed, we couldn't
boot off the second.  I think it needs a different boot partition,
because mirroring the disk 1 paritition to disk 2 means that disk 2
still tries to boot off disk 1 when it starts.

I'm not clear if the differences are really limited the the MBR of the
disks, in which cases mirroring would still be OK.  Not mirroring also
doesn't seem a great idea, since then disk 2 will get dated.

Anybody have any pointers about this?

I'm using grub, and got held up because the manual says (under the
install command) 

if REAL_CONFIG_FILE is present and STAGE2_FILE is a Stage 1.5, then
the Stage 2 CONFIG_FILE is patched with the configuration file name
REAL_CONFIG_FILE.

This seems to say that installation modifies the stage 2 (really, 1.5)
file, which I think is in the partition, not the MBR.  That implies as
soon as I boot, RAID will blow the changes away.

Ross Boylan


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Re: Sound problem

2010-01-08 Thread Stephen Powell
On 2010-01-08 at 13:57:07 -0500, Peter Ulrich Kruppa wrote:
> Hello list,
> 
> (I am not to experienced with debian - I hope I didn' overlook 
> some FAQ.)
> 
> I just installed debian-5.0 with kde-5.3 on an old Laptop (Medion 
> MD 5222). Everything works fine so far, but I have problems with 
> the sound device.
> 
> This is the output of # cat /dev/sndstat
>   
> Sound Driver:3.8.1a-980706 (ALSA v1.0.16 emulation code)
> Kernel: Linux x  2.6.26-2-686 #1 SMP Wed Nov 4 20:45:37 UTC 
> 2009 i686
> Config options: 0
> 
> Installed drivers:
> Type 10: ALSA emulation
> 
> Card config:
> VIA 82C686A/B rev50 with AD1886 at 0x1000, irq 5
> 
> Audio devices:
> 0: VIA 82C686A/B rev50 (DUPLEX)
> 
> Synth devices: NOT ENABLED IN CONFIG
> 
> Midi devices: NOT ENABLED IN CONFIG
> 
> Timers:
> 7: system timer
> 
> Mixers:
> 0: Analog Devices AD1886
>   -
> 
> I can # cat  /dev/audioand kde will play some 
> little tune when started.
> But it seems neither kde's CD-player nor its mulimedia-player can 
> produce any sound.
> 
> What's wrong here?

Have you checked the volume levels in the mixer application
(e.g. alsamixer)?  That's the first thing I would check.
I use GNOME, not KDE, and have no experience with KDE; so
if it's a KDE-related problem, I can't be of much help.

I installed Lenny on an old laptop too (an IBM ThinkPad 600),
and here's a link to my web page that shows how I got sound
working (as well as a bunch of other stuff).  I realize that
you are using a different sound chip, but you may be able to
glean some tidbits that are useful in your situation.

http://www.wowway.com/~zlinuxman/tp600.htm


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Re: Sound problem

2010-01-08 Thread Peter Ulrich Kruppa

On Fri, 8 Jan 2010, Stephen Powell wrote:


On 2010-01-08 at 13:57:07 -0500, Peter Ulrich Kruppa wrote:

Hello list,

(I am not to experienced with debian - I hope I didn' overlook
some FAQ.)

I just installed debian-5.0 with kde-5.3 on an old Laptop (Medion
MD 5222). Everything works fine so far, but I have problems with
the sound device.

This is the output of   # cat /dev/sndstat

Sound Driver:3.8.1a-980706 (ALSA v1.0.16 emulation code)
Kernel: Linux x  2.6.26-2-686 #1 SMP Wed Nov 4 20:45:37 UTC
2009 i686
Config options: 0

Installed drivers:
Type 10: ALSA emulation

Card config:
VIA 82C686A/B rev50 with AD1886 at 0x1000, irq 5

Audio devices:
0: VIA 82C686A/B rev50 (DUPLEX)

Synth devices: NOT ENABLED IN CONFIG

Midi devices: NOT ENABLED IN CONFIG

Timers:
7: system timer

Mixers:
0: Analog Devices AD1886
-

I can   # cat  /dev/audio  and kde will play some
little tune when started.
But it seems neither kde's CD-player nor its mulimedia-player can
produce any sound.

What's wrong here?


Have you checked the volume levels in the mixer application
(e.g. alsamixer)?  That's the first thing I would check.
I use GNOME, not KDE, and have no experience with KDE; so
if it's a KDE-related problem, I can't be of much help.

I installed Lenny on an old laptop too (an IBM ThinkPad 600),
and here's a link to my web page that shows how I got sound
working (as well as a bunch of other stuff).  I realize that
you are using a different sound chip, but you may be able to
glean some tidbits that are useful in your situation.

http://www.wowway.com/~zlinuxman/tp600.htm

Thanks a lot,

but that doesn't seem to help :-(

Uli.






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| Peter Ulrich Kruppa
| Wuppertal
| Germany


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Re: Disallow other users from reading my $HOME

2010-01-08 Thread Alex Samad
On Fri, Jan 08, 2010 at 09:50:42AM +, Jon Dowland wrote:
> On Thu, Jan 07, 2010 at 10:24:27PM +, Roger Leigh wrote:
> > Once could just give execute perm to ~ and maybe additionally
> > read as well to ~/public_html?
> 
> Exactly right. The read to ~/public_html is not necessary if
> you have +x and a suitable index file underneath which is

I believe the requirement for apache is it has to be able to read from /
to the destination directory.

I ran into trouble one time when I change / to 0.0 750

> readable, but it doesn't really hurt. (some people might not
> want their web directories 'indexable'. Those people will
> not want +r, but they will also want to turn of their web
> server's directory indexing feature too).
> 
> 



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control over your own life."

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Re: LVM+RAID+CRYPT

2010-01-08 Thread Alex Samad
On Fri, Jan 08, 2010 at 03:23:13PM +, Jon Dowland wrote:
> On Fri, Jan 08, 2010 at 12:13:14PM +0100, Sjors van der Pluijm wrote:
> > Hi all,

Hi

I have a few laptops which I encrypt for work

> > 
> > I have been using Debian for a few years now. For my new workstation I want 
> > to 
> > try something new. What I want to do:
> > 1. Make a RAID1 using two SATA discs
> > 2. Create one partition on the RAID
> > 3. Encrypt that partition
> > 4. Use LVM on the partition
> > 
> > I can't find very much info on this setup and have some questions:
> > 1. Is this a wise setup?
> 
> Be aware that RAID-1 in itself is no substitute for a backup
> system.
> 
> That said, The order should be something like
> 
> physical devices partitioned identically, with a small-ish
> boot (512M usually suffices) and the remaining space
> dedicated to one large partition[1].

I like my /boot to be around 1G up to about 2G - why because it is
unencrypted you have easy access to it, so I like to have a toolkit of
stuff here to help when things go wrong and with the size of drives
today 1G is nothing big 

> 
> two software RAID devices
> 
> md0 - with the two small boot partitions as backing
> md1 - with the large remaining partition as backing
> 
> Stick an ext3 filesystem on top of md0 and use it as /boot.

Remember to grub-install (with grub2) to sda and to sdb (that should solve you 
failed
boot attempt when 1 drive dies), a minor thing I would use ext2, no need
for journaling, in fact most times I would say you could get away with
loading it read only

> 
> Then, format md1 as an LVM physical volume + plumb it into
> a volume group. 
> 
> Carve out a logical volume for /. I wouldn't bother
> encrypting this myself, personally.
> 
> Carve out a logical volume for swap. I'd encrypt this with a
> random key. mkswap the resulting block device.
> 
> Carve out a logical volume for your main user's $HOME. I'd
> encrypt this with a passphrase of your choosing.  I'd use
> the LUKS settings as your encryption parameters, via device
> mapper 'dm-crypt'. Stick an ext3 filesystem on top of the
> resulting block device.

Depending on needs and usage I would

create 1 big lvm lv use it a /root and 1 lvm lv for swap.  If you think
you are going to be doing a lot of work with files locally which are
going to run into performance issues (rendering video/media) then carve
out a lvm which you will not encrypt.  But the first 2 ( root & swap) I
would encrypt.

> 
> So, from bottom to top, the stacking order is
> 
> physical devices
> DOS-style partition tables
> MD RAID
> LVM
> dm-loop crypto where necessary
> 
> The reason for having the /boot outside of LVM is so that
> bootloaders can read it OK.  In the old days, grub would
> read the kernel and initrd from one of the underlying
> partitions (not understanding MD RAID itself) but that
> worked fine, since all writing to the partitions was done
> via the OS and thus through the MD RAID layer. Modern grubs
> might be able to understand MD RAID, LVM, who knows what.
> 
> I would do all of the above steps using the debian-installer

I have done this with the debian installer

> if you are installing from scratch, with the exception of
> your $HOME, which I would do by hand once the system was
> installed. "luksformat" with the "-t ext3" option is a
> useful shortcut for formatting a LVM logical volume with
> dm-crypt and sticking a filesystem on top. I'd also use
> "libpam-mount" to configure it to be unlocked with your
> passphrase and mounted automatically on login.
> 
> Finally, unless you specify a seperate /tmp and encrypt that
> (and/or /var/tmp too), I would create a ~/tmp and ensure you
> have TMPDIR pointing at it, or some apps might store some
> working files in a non-encrypted location. You will find
> that not all apps honour TMPDIR, so be prepared to file some
> bugs :))
> 
> > 3. Is it ok to have swap and /boot on an encrypted LVM?
> 
> swap yes, /boot no (your bootloader needs to read it. You
> don't have anything confidential in your vmlinuz or
> initramfs)
> 
> [1] For large hard drives, I create a medium-to-large
> partition, rather than fill the disk. Just in case
> I want to use some of the remaining space for a
> non-Linux purpose. I can always create a new partition,
> format it as an LVM physical volume and add it to my
> existing volume group if I want the space in Linux after
> all, further down the line.
> 
> 



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discussions. Not only in the Cabinet Room, but prior to this and after this 
day, our secretaries, respective secretaries, will continue to interact to 
create the conditions necessary for prosperity to reign."

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Washington, DC


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Stan Hoeppner
Ross Boylan put forth on 1/8/2010 1:53 PM:
> On Fri, 2010-01-08 at 05:26 -0600, Stan Hoeppner wrote:
>>
>> Never run encryption on swap.  Doing so merely burdens performance.  I
>> doubt
>> even NSA, CIA, MI6 encrypt swap partitions on workstations.

> This is completely contrary to the advice of the encryption folks.  

Car salesmen want to sell you a new car too, not that you necessarily need a new
one.

> You MUST encrypt swap in order for your system to be secure; otherwise
> secrets in RAM may be recoverable from the swap partition.

*MUST*?  Always be careful when stating absolutes.  There is always more than
one way to skin a cat.  Such as adding the following to rc.local:

/sbin/swapoff -a
/bin/dd if=/dev/zero of=/dev/sda5

changing sda5 to your swap partition device ID or filename if you're using a
swap file instead of a partition.  Depending on your disk speed and swap device
size it'll add anywhere from 15 secs up to a minute or so to your shutdown time.
 But your swap will be zero'd.  Zeros can't be decrypted, even if a cracker
somehow got hold of the keys to the kingdom. ;)

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Hosting in the US

2010-01-08 Thread Julien Vehent
Hello Debian people,

I'm looking for a good hosting service in the US. I need full root shell
access and basic debian net installation. Do you know a good and reliable
provider ?

In France, I'm usually very satisfed with Gandi.net, they have a clear
offer and they don't bullshit you when they screw up. Something similar on
this side of the atlantic would be perfect.


Thanks,
Julien


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Re: Disallow other users from reading my $HOME

2010-01-08 Thread Dotan Cohen
> In addition to using chmod as suggested by others, for securing
> your files, why not try using encfs on directories that you *really* want
> to protect from prying eyes? The added bonus is even root cannot see
> those files and booting off a cd also will not let others look at
> your files.
>

Thanks for the idea. I do not need that level of security, I just want
to open another account on this machine so that my neighbour can send
me pics of our daughters' joint birthday party over wifi! I like
having the security that if some component of this machine breaks, I
can mount the drive anywhere and recover the data.

-- 
Dotan Cohen

http://what-is-what.com
http://gibberish.co.il


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Re: Backlight bug on Acer Aspire 7720

2010-01-08 Thread Thierry Chatelet
On Saturday 19 December 2009 18:07:11 Thomas McCullough wrote:
 Hi all,
It's working for about 10 days now!!
Thierry


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Re: an appreciation

2010-01-08 Thread green
Ross Boylan wrote at 2010-01-08 11:57 -0600:
> Perhaps I'm in a peculiar mood, but I so appreciate the candor that
> characterizes Debian, in contrast to the marketing talk so common in the
> industry.  I'm referring to the quotes around "fixed" in the message
> below.

Indeed; the simple honesty shown by the Debian developers/community inspires 
trust more than the typical marketing scheme.


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Re: Hosting in the US

2010-01-08 Thread Julien Vehent
Unmanaged hosting. But I want to be sure the company takes care of the
machines properly.
I don't have big resources requirements, so dedicated or virtual doesn't
matter as long as some minimum bandwidth is garantied.

I'll take a look at liquidweb, thanks David.



On Fri, 08 Jan 2010 17:04:25 -0500, David Crampton
 wrote:
> Hello Julien,
> 
> Are you looking for managed or unmanaged hosting?  Dedicated or virtual 
> servers?  Here in Michigan, there are a few, but I've had the best 
> experience with LiquidWeb.  There's a good forum out there as well 
> called Web Hosting Talk.
> 
> Good luck!
> 
> Julien Vehent wrote:
>> Hello Debian people,
>> 
>> I'm looking for a good hosting service in the US. I need full root
shell
>> access and basic debian net installation. Do you know a good and
reliable
>> provider ?
>> 
>> In France, I'm usually very satisfed with Gandi.net, they have a clear
>> offer and they don't bullshit you when they screw up. Something similar
>> on
>> this side of the atlantic would be perfect.
>> 
>> 
>> Thanks,
>> Julien
>> 
>>


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Re: Hosting in the US

2010-01-08 Thread mark
Try linode.com. Inexpensive and great support.
Mark
--Original Message--
From: Julien Vehent
To: David Crampton
Cc: Debian Users
Subject: Re: Hosting in the US
Sent: Jan 8, 2010 3:37 PM

Unmanaged hosting. But I want to be sure the company takes care of the
machines properly.
I don't have big resources requirements, so dedicated or virtual doesn't
matter as long as some minimum bandwidth is garantied.

I'll take a look at liquidweb, thanks David.



On Fri, 08 Jan 2010 17:04:25 -0500, David Crampton
 wrote:
> Hello Julien,
> 
> Are you looking for managed or unmanaged hosting?  Dedicated or virtual 
> servers?  Here in Michigan, there are a few, but I've had the best 
> experience with LiquidWeb.  There's a good forum out there as well 
> called Web Hosting Talk.
> 
> Good luck!
> 
> Julien Vehent wrote:
>> Hello Debian people,
>> 
>> I'm looking for a good hosting service in the US. I need full root
shell
>> access and basic debian net installation. Do you know a good and
reliable
>> provider ?
>> 
>> In France, I'm usually very satisfed with Gandi.net, they have a clear
>> offer and they don't bullshit you when they screw up. Something similar
>> on
>> this side of the atlantic would be perfect.
>> 
>> 
>> Thanks,
>> Julien
>> 
>>


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Sent via BlackBerry from T-Mobile

Re: Disallow other users from reading my $HOME

2010-01-08 Thread green
Dotan Cohen wrote at 2010-01-08 15:52 -0600:
> > In addition to using chmod as suggested by others, for securing
> > your files, why not try using encfs on directories that you *really* want
> > to protect from prying eyes? The added bonus is even root cannot see
> > those files and booting off a cd also will not let others look at
> > your files.
> 
> Thanks for the idea. I do not need that level of security, I just want
> to open another account on this machine so that my neighbour can send
> me pics of our daughters' joint birthday party over wifi! I like
> having the security that if some component of this machine breaks, I
> can mount the drive anywhere and recover the data.

Have you considered Samba?  I think you can set up a password-protected or 
public share without adding a user to the system.


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Re: Disallow other users from reading my $HOME

2010-01-08 Thread Dotan Cohen
> Have you considered Samba?  I think you can set up a password-protected or
> public share without adding a user to the system.
>

Does that work over wifi? I figured that I would just give him the
password to the already-existing "guest" user on this system and let
him SSH in. He can figure out what to do with Putty on his Windows
machine, I'm sure.


-- 
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http://what-is-what.com
http://gibberish.co.il


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Re: Sound problem

2010-01-08 Thread S. Fishpaste
On Fri, 8 Jan 2010 21:32:09 +0100 (CET), Peter Ulrich Kruppa in 
gmane.linux.debian.user wrote:
> On Fri, 8 Jan 2010, Stephen Powell wrote:

>> Have you checked the volume levels in the mixer application
>> (e.g. alsamixer)?  That's the first thing I would check.
>> I use GNOME, not KDE, and have no experience with KDE; so
>> if it's a KDE-related problem, I can't be of much help.
>>
>> I installed Lenny on an old laptop too (an IBM ThinkPad 600),
>> and here's a link to my web page that shows how I got sound
>> working (as well as a bunch of other stuff).  I realize that
>> you are using a different sound chip, but you may be able to
>> glean some tidbits that are useful in your situation.
>>
>> http://www.wowway.com/~zlinuxman/tp600.htm
> Thanks a lot,
>
> but that doesn't seem to help :-(

As  root run 'alsaconf' and follow the prompts. See if that helps.


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Re: Hosting in the US

2010-01-08 Thread Stan Hoeppner
Julien Vehent put forth on 1/8/2010 4:37 PM:
> Unmanaged hosting. But I want to be sure the company takes care of the
> machines properly.
> I don't have big resources requirements, so dedicated or virtual doesn't
> matter as long as some minimum bandwidth is garantied.
> 
> I'll take a look at liquidweb, thanks David.

I'd look elsewhere if you plan on sending much email from your host.  LiquidWeb
hosts many snowshoe spammers.  I have three of their /17s local blocked here.

67.225.128.0/17 REJECT
67.227.128.0/17 REJECT
72.52.128.0/17  REJECT

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Re: Hosting in the US

2010-01-08 Thread Julien Vehent
So far, linode looks ok. Very close to what Gandi offer.. a little bit
more expensive though.
Do they have any limitation on the Linux distribution you can install ?

On Fri, 08 Jan 2010 18:12:29 -0600, Stan Hoeppner 
wrote:
> Julien Vehent put forth on 1/8/2010 4:37 PM:
>> Unmanaged hosting. But I want to be sure the company takes care of the
>> machines properly.
>> I don't have big resources requirements, so dedicated or virtual
doesn't
>> matter as long as some minimum bandwidth is garantied.
>> 
>> I'll take a look at liquidweb, thanks David.
> 
> I'd look elsewhere if you plan on sending much email from your host. 
> LiquidWeb
> hosts many snowshoe spammers.  I have three of their /17s local blocked
> here.
> 
> 67.225.128.0/17 REJECT
> 67.227.128.0/17 REJECT
> 72.52.128.0/17  REJECT
> 
> --
> Stan


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Re: Hosting in the US

2010-01-08 Thread Jeremy T. Bouse
I'll go along with mentioning Linode.com, I'm not currently using them
but have a project I'm currently starting and have picked them to go
with for hosting. I've also previously used GrokThis and had a good
experience.

m...@phillipsmarketing.biz wrote:
> Try linode.com. Inexpensive and great support.
> Mark
> --Original Message--
> From: Julien Vehent
> To: David Crampton
> Cc: Debian Users
> Subject: Re: Hosting in the US
> Sent: Jan 8, 2010 3:37 PM
> 
> Unmanaged hosting. But I want to be sure the company takes care of the
> machines properly.
> I don't have big resources requirements, so dedicated or virtual doesn't
> matter as long as some minimum bandwidth is garantied.
> 
> I'll take a look at liquidweb, thanks David.
> 
> 
> 
> On Fri, 08 Jan 2010 17:04:25 -0500, David Crampton
>  wrote:
>> Hello Julien,
>>
>> Are you looking for managed or unmanaged hosting?  Dedicated or virtual 
>> servers?  Here in Michigan, there are a few, but I've had the best 
>> experience with LiquidWeb.  There's a good forum out there as well 
>> called Web Hosting Talk.
>>
>> Good luck!
>>
>> Julien Vehent wrote:
>>> Hello Debian people,
>>>
>>> I'm looking for a good hosting service in the US. I need full root
> shell
>>> access and basic debian net installation. Do you know a good and
> reliable
>>> provider ?
>>>
>>> In France, I'm usually very satisfed with Gandi.net, they have a clear
>>> offer and they don't bullshit you when they screw up. Something similar
>>> on
>>> this side of the atlantic would be perfect.
>>>
>>>
>>> Thanks,
>>> Julien
>>>
>>>
> 
> 




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Re: Hosting in the US

2010-01-08 Thread freeman
On Fri, Jan 08, 2010 at 10:35:17PM +0100, Julien Vehent wrote:
> Hello Debian people,
> 
> I'm looking for a good hosting service in the US. I need full root shell
> access and basic debian net installation. Do you know a good and reliable
> provider ?
> 
> In France, I'm usually very satisfed with Gandi.net, they have a clear
> offer and they don't bullshit you when they screw up. Something similar on
> this side of the atlantic would be perfect.
> 

http://www.pair.com runs freeBSD.

I've been with pair 8 years. They have been fastidious with their servers. 
They offer shell access via ssh.  

I particularly like that they still maintain local usenet newsgroups for
their clients and customers.  Their support is well worked out, timely and
effective.

Never had a problem other than their servers might be a tad slow on
occasion.  Never had a price increase.

-- 
Kind Regards,
Freeman


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Daemon impotent after dropping priviledges with setuid()

2010-01-08 Thread Frank Miles

I have a peculiar problem with a daemon.  Some of the tasks that the daemon
needs to accomplish should be done with reduced priviledges, particularly
if they are complex or depend on user input.  So the daemon forks a child
process, which setuid's to some lesser user.

Unfortunately, as soon as the daemon setuid(some_other_userid), it can
no longer write files.  Not into the home directory of some_other_userid,
not into /tmp, ... I haven't found anywhere that the daemon can write
without receiving a "permission denied" error.

The files didn't exist before the daemon action.  Permissions to /tmp
are 777+t.  Doing a getuid(), geteuid() show that the permissions were
set properly in the daemon's child process.

The same user can write files into these same directories without error
from the console or from a plain 'C' program.  The daemon's child
(before setuid) also succeeds at writing files.  'strace -f' doesn't
show any problem until the open() call results in the permission denied
error.

This is on a 'squeeze' system, 64 bit i7 860 that otherwise seems to run
properly.

Anyone have any hints?  Suggestions for diagnosing things?  Would be
appreciated!!

-f


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Re: Hosting in the US

2010-01-08 Thread Julien Vehent
amost ! just replace bsd by debian and I'm in :p

On Fri, 8 Jan 2010 16:30:46 -0800, freeman 
wrote:
> On Fri, Jan 08, 2010 at 10:35:17PM +0100, Julien Vehent wrote:
>> Hello Debian people,
>> 
>> I'm looking for a good hosting service in the US. I need full root
shell
>> access and basic debian net installation. Do you know a good and
reliable
>> provider ?
>> 
>> In France, I'm usually very satisfed with Gandi.net, they have a clear
>> offer and they don't bullshit you when they screw up. Something similar
>> on
>> this side of the atlantic would be perfect.
>> 
> 
> http://www.pair.com runs freeBSD.
> 
> I've been with pair 8 years. They have been fastidious with their
servers. 
> They offer shell access via ssh.  
> 
> I particularly like that they still maintain local usenet newsgroups for
> their clients and customers.  Their support is well worked out, timely
and
> effective.
> 
> Never had a problem other than their servers might be a tad slow on
> occasion.  Never had a price increase.
> 
> -- 
> Kind Regards,
> Freeman


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Re: Removing the indent-string quote marker '>' in emails.

2010-01-08 Thread freeman
On Fri, Jan 08, 2010 at 01:01:42PM +0200, Andrei Popescu wrote:
> Do you mean the SmartList mentioned here[1]? ;)
> 
> [1] http://www.debian.org/MailingLists/
> 
> Regards,
> Andrei
> -- 
> Offtopic discussions among Debian users and developers:
> http://lists.alioth.debian.org/mailman/listinfo/d-community-offtopic

Yep. :)

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Re: Hosting in the US

2010-01-08 Thread Stan Hoeppner
Julien Vehent put forth on 1/8/2010 6:53 PM:
> amost ! just replace bsd by debian and I'm in :p

Maybe this will help you out a bit:

http://wiki.debian.org/DebianHosting

--
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Re: Hosting in the US

2010-01-08 Thread Stephen Powell
On 2010-01-08 at 19:53:38 -0500, Julien Vehent wrote:
> amost ! just replace bsd by debian and I'm in :p

The following is my own personal opinion and does not necessarily
represent the opinion or the official position of the Debian organization
itself.  I am not a Debian developer and I do not speak for the Debian
organization in any capacity.  I am just a Debian user.  That is all.

I'll tell you one outfit I will definitely *not* recommend: multibuild.org.
I don't know if they offer a general hosting service or not, but they
do host at least one web server for the Debian organization itself:
lophos.multibuild.org.  I don't know what else may be on that server, but
one thing I do know that is on that server, or is supposed to be on
that server, is the latest development version of Debian Installer for
the s390 architecture.  See the following web page:

http://www.debian.org/devel/debian-installer/

On that page, click on the "s390" link, which is under the heading
"other images (netboot, usb stick, floppy, etc)".  This is supposed
to take you to http://lophos.multibuild.org/d-i/images/daily/
but it doesn't.  It times out.  As far as I can tell, the server is
down.  And it has been down for days, maybe as long as two weeks.
I don't know.  Maybe Debian didn't pay their bill or something.
But I've sent the sysadmin a note about it days ago, and nothing
happens.  I'm glad they don't host for me.  In the meantime, I am
forced to wait.


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Re: LVM+RAID+CRYPT

2010-01-08 Thread Mark Allums

On 1/8/2010 3:32 PM, Stan Hoeppner wrote:

Ross Boylan put forth on 1/8/2010 1:53 PM:

On Fri, 2010-01-08 at 05:26 -0600, Stan Hoeppner wrote:


Never run encryption on swap.  Doing so merely burdens performance.  I
doubt
even NSA, CIA, MI6 encrypt swap partitions on workstations.



I bet every three-letter agency encrypts swap, or does without swap.




This is completely contrary to the advice of the encryption folks.


Car salesmen want to sell you a new car too, not that you necessarily need a new
one.


You MUST encrypt swap in order for your system to be secure; otherwise
secrets in RAM may be recoverable from the swap partition.


*MUST*?  Always be careful when stating absolutes.  There is always more than
one way to skin a cat.  Such as adding the following to rc.local:

/sbin/swapoff -a
/bin/dd if=/dev/zero of=/dev/sda5

changing sda5 to your swap partition device ID or filename if you're using a
swap file instead of a partition.  Depending on your disk speed and swap device
size it'll add anywhere from 15 secs up to a minute or so to your shutdown time.
  But your swap will be zero'd.  Zeros can't be decrypted, even if a cracker
somehow got hold of the keys to the kingdom. ;)

--
Stan




Swap should always be encrypted on the principal of presenting minimal 
attack surface.  A running machine can have its cord yanked, and where 
is your init script then?  Yes, even a battery-powered laptop is 
vulnerable to to forensics if caught red-handed, or in the case of evil 
maid attacks, etc.  Paranoids have enemies, too.


I know that many irresponsible people put employee data on a laptop and 
then lose the machine.  A good IT man plans for such boneheaded 
behavior.  It's like defensive driving.  It's the *other* guy you have 
to look out for, not yourself.


Mark Allums



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Re: Disallow other users from reading my $HOME

2010-01-08 Thread green
Dotan Cohen wrote at 2010-01-08 16:58 -0600:
> > Have you considered Samba?  I think you can set up a password-protected or
> > public share without adding a user to the system.
> 
> Does that work over wifi?

Certainly.  If your computer is on the same network as his (both connected to 
the same access point), Windows should list your computer in "Network Places" 
or somesuch.  Or just use "Map Network Drive" and the address 
"\\\".

> I figured that I would just give him the
> password to the already-existing "guest" user on this system and let
> him SSH in. He can figure out what to do with Putty on his Windows
> machine, I'm sure.

I would consider Samba to be more secure (other thoughts anyone?); I feel 
cautious about giving someone a network-accessible shell.

Samba will limit access to a specific folder.


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Re: Inquiry:How to install Debian from Internet?

2010-01-08 Thread hadi motamedi
2010/1/7 Osamu Aoki 

> Hi,
>
> On Tue, Jan 05, 2010 at 11:09:18AM +, hadi motamedi wrote:
>  > Dear All
> > I have my Debian server installed from Debian-31 netinst & businesscard
> CDs
> > , but when trying to install Asterisk 1.4 it failed . I thought that my
> > Debian installation was incomplete. Can you please let me know how to
> > install a complete Debian 3.1 right from the Internet ? Is there anything
> > like "yum install" to try with ?
>
> You are coming back with the same things  it has been answered.  You
> may check our mailing list archive if you missed replies which were only
> sent to the mailing list. http://lists.debian.org/users.html
>
> You sound strange to me and I suspect you have a job to do this and
> asking free help here.  If you could not do it with what has been told
> and you are doing this for work, it is time to hire someone to do it for
> you.
>
> Please remember this is user-to-user friendly volunteer help mailing
> list.  Please use this resource with great care.
>
> Osamu
>
> PS: I found following on net:
>
>  http://www.linkedin.com/pub/hadi-motamedi/15/9bb/1b5
>
> hadi motamedi’s Experience
>
>* engineer
>  Mesco Consulting Ltd
>  (Privately Held; Information Technology and Services industry)
> 
>
> It may be just coincidence 
>


Thank you very much for your kind contineous help . I manually set the
network IP address and then tried to start with Debian_50 netinst and now
everything is on the road . Thank you again for your technical help .


Re: Hosting in the US

2010-01-08 Thread Boyd Stephen Smith Jr.
On Friday 08 January 2010 15:35:17 Julien Vehent wrote:
> I'm looking for a good hosting service in the US. I need full root shell
> access and basic debian net installation. Do you know a good and reliable
> provider ?

So far, I am enjoying Slicehost.com.
-- 
Boyd Stephen Smith Jr.   ,= ,-_-. =.
b...@iguanasuicide.net  ((_/)o o(\_))
ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-'
http://iguanasuicide.net/\_/


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Re: Hosting in the US

2010-01-08 Thread Kelly Clowers
On Fri, Jan 8, 2010 at 14:39,   wrote:
> Try linode.com. Inexpensive and great support.

I second that. My needs are very minimal, but so far everything
with Linode has been great.


Cheers,
Kelly Clowers


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