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debian-user-digest Digest V2007 #2267

From: <debian-user-digest-request(at)lists.debian.org>
Date: Tue Aug 28 2007 - 17:13:12 EDT


Content-Type: text/plain

debian-user-digest Digest Volume 2007 : Issue 2267

Today's Topics:

  Re: Shut down or leave on?            [ "Mike"  ]
  Re: fstab and removable usb drives    [ Celejar  ]
  Re: I just installed OpenNTP. Now wh  [ David Brodbeck  ]
  replacement for formmail              [ Freddy Freeloader  ]
  WYSIWYG editor                        [ "Loeghmon T. Nejad"  ]
  Re: question about kernel source pac  [ Celejar  ]
  Re: Shut down or leave on?            [ David Brodbeck 

Date: Tue, 28 Aug 2007 15:18:54 -0400
From: "Mike" <mikewk147@oh.rr.com>
To: <debian-user@lists.debian.org>
Subject: Re: Shut down or leave on?
Message-ID: <042501c7e9a8$465631e0$6201a8c0@mkuhar2> Content-Type: text/plain;

	format=flowed;
	charset="iso-8859-1";
	reply-type=original

Content-Transfer-Encoding: 7bit
  • Original Message ----- From: "Raquel" <raquel@thericehouse.net> To: <debian-user@lists.debian.org> Sent: Tuesday, August 28, 2007 1:50 PM Subject: Re: Shut down or leave on?

> On Tue, 28 Aug 2007 09:45:51 -0700
> Jeff <debian@waysoft.com> wrote:
>
>> Raquel wrote:
>> > On Tue, 28 Aug 2007 11:28:35 -0400
>> > "Richard Carter" <carter.r.a.l@gmail.com> wrote:
>> >
>> >> Hi Folks,
>> >>
>> >> Is it better to leave a system running all the time or is it
>> >> better to shut it down over night, on weekends, holidays etc?
>> >>
>
> <snip>
>
>> >>
>> >> I'd appreciate your advice.
>> >>
>> >> Robin Carter
>> >>
>> >
>> > I've always gone for leaving my machines on. I feel there is
>> > less wear and tear on components by leaving the machine on.
>> >
>> Specifically, as I understand it, thermal shock to minuscule
>> electronic components during power-on. In the past, I've lost a
>> number of motherboards and processors due (presumably) to this
>> effect. Since keeping my machines on 24/7 (for several years
>> now), I have not had any such problems.
>>
>> Jeff
>>
>
> I also understand that when the hard disks get power that the
> platters torque just a tad, if not causing heads to come into
> contact with the platter, at least causing wear on bearings.
>

The stress created during the cool down and heat up cycle, between powering off and powering on, can cause microfractures in the solid state components. Further, on the lower quality powersupplies, the power on sequence can cause current surges that can also weaken electronic components, although the filtering in the present day switching powersupplies is supposed to eliminate this. The amount electricity usage from present day devices is minimal compared to replacement costs for those devices. I say, leave it on.

-mike

Do you need help?X

> --
> Raquel
> ============================================================
> Our particular principles of religion are a subject of
> accountability to our god alone. I enquire after no man's and
> trouble none with mine; nor is it given to us in this life to know
> whether yours or mine, our friend's or our foe's, are exactly the
> right.
> --Thomas Jefferson
>
>
> --
> To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact
> listmaster@lists.debian.org
>

Date: Tue, 28 Aug 2007 15:23:21 -0400
From: Celejar <celejar@gmail.com>
To: debian-user@lists.debian.org
Subject: Re: fstab and removable usb drives

Message-Id: <20070828152321.e17e70ec.celejar@gmail.com>
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

On Tue, 28 Aug 2007 00:44:29 +0100
Graham <doubleyou@loftmail.com> wrote:

> On Mon, 27 Aug 2007 17:30:56 -0400
> Celejar <celejar@gmail.com> wrote:
>
> > Hi,
> >
> > I'm experimenting with fstab lines to streamline mounting my removable
> > usb drives (flash and HDD). I have tried 'UUID-xxxx', 'LABEL-xxxx',
> > and '/dev/disk/by-label/xxxx', but with any of these the system
> > refuses to boot without manual intervention when the drive isn't
> > attached (I am told to hit <ctrl>-D and something about maintenance
> > mode). This occurs even when I set 'noauto'. Am I missing
> > something, or are such fstab lines really illegal for setups where
> > the volume may not be attached at boot?
>
> I use what's below in fstab for manually mounting any USB device that I
> attach after booting up.
>
> /dev/sda1 /media/removable auto rw,noauto,user,exec,users 0 0
>
> Be aware that this is only for the first USB drive you connect, any
> additional ones connected up after the first one will have to
> be /dev/sdb1 and so on. Change /media/removable to the mount point you
> want.
>
> I have no issues with booting my system with the above, nor do I have
> issues with mounting USB devices.

Thanks. The problem was my non-zero last field, as per my other posts. BTW, mounting by label / UUID is often a better idea, especially for removable storage, since it ensures consistency of mount points even when the connection order varies. This may not be important to you, but it is to many.

> Graham

Celejar

--
mailmin.sourceforge.net - remote access via secure (OpenPGP) email
ssuds.sourceforge.net - A Simple Sudoku Solver and Generator

Date: Tue, 28 Aug 2007 12:34:14 -0700 From: David Brodbeck <brodbd@u.washington.edu> To: List Debian User <debian-user@lists.debian.org> Subject: Re: I just installed OpenNTP. Now what? Message-Id: <44039795-38A8-4C8E-AE3E-09BC81213560@u.washington.edu> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7bit On Aug 28, 2007, at 12:07 PM, Amit Uttamchandani wrote:
> Hey guys,
>
> So just installed OpenNTP on a shiny new etch system. The daemon is
> started
> during startup but now what? How do I know that my clock is being
> synchronized?
> I checked the config and there are debian ntp servers listed.
>
> So is that it? Or am I missing something here.
It should work out of the box. If you want to see what's going on, run 'ntpq' and type 'pe' at the prompt. This will give you a list of peers and how your clock compares to them. If NTP has been up for a while, you'll see a * next to one system. This is the one your computer has chosen as its primary time source.

Date: Tue, 28 Aug 2007 21:44:11 +0200 From: Bart <debian@aeronautics.nl> To: SmartList <debian-user@lists.debian.org> Subject: nvidia-glx under Debian 4.0r1 Message-ID: <46D47B0B.1010208@aeronautics.nl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit I've installed Debian 4.0r1 and now I want 3D support for my Nvidia graphics card. I'm following instructions as can be found on http://wiki.debian.org/NvidiaGraphicsDrivers I can install the nvidia-kernel-sources, but not the nvidia-glx package. The error given is: The following packages have unmet dependencies: nvidia-glx: Depends: libc6 (>= 2.5-5) but 2.3.6.ds1-13etch2 is to be installed Is there a way to solve this? I'm new to Debian, so don't shoot me ;)

Date: Tue, 28 Aug 2007 12:51:00 -0700 From: Freddy Freeloader <fredddy@cableone.net> To: Debian User <debian-user@lists.debian.org> Subject: replacement for formmail Message-ID: <46D47CA4.7020101@cableone.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Anyone have any good recommendations for replacing formmail? I just started working for someone who is using it and we are trying to lock his sites down more than they have been in the past and are looking for a replacement.

Date: Tue, 28 Aug 2007 13:07:02 -0700 From: Dan Serban <dserban@lodgingcompany.com> To: Charlie <ariestao@clearmail.com.au> Cc: Debian-user <debian-user@lists.debian.org> Subject: Re: Ping my modem........ Message-ID: <46D48066.6000600@lodgingcompany.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Charlie wrote:
> Never having used ping, and not really understanding the man page for it:-
>
> When I ping my modem:
>
> what command/option/s should I use?
> Is the following a normal reply from a satellite modem to ping:-
>
> ping: sendmsg: Operation not permitted
> ping: sendmsg: Operation not permitted
> ping: sendmsg: Operation not permitted
> ping: sendmsg: Operation not permitted
> ping: sendmsg: Operation not permitted
>
> TIA,
> Charlie
Can you please post your exact ping command here? Make sure ICMP echo is allowed and that you can confirm that your modem actually has an IP. As another test, try pinging google, or debian.org. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFG1IBm9AD5INsV6r8RAqkeAJ0dd02JMhWQ9GtA8oJy5lQ+pbKG1gCgkPUV ZQtzywaaxB29Sh4Fgsrcy2M= =Lekl -----END PGP SIGNATURE-----

Date: Tue, 28 Aug 2007 16:09:16 -0400 From: Celejar <celejar@gmail.com> To: debian-user@lists.debian.org Cc: binary@freedom.prodigynetwork.co.uk Subject: Re: i686 Port Message-Id: <20070828160916.4f74db76.celejar@gmail.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 28 Aug 2007 16:06:10 +0100 (BST) "Richard Thompson" <binary@freedom.prodigynetwork.co.uk> wrote:
> I was wondering why debian doesn't have a port of packages optimised for
> i686, I realise they have support for i386, which obviously incudes
> everything from an intel 386 to the latest and greatest intel and amd
> processors (running in 32bit), ultimatley the i686 already has 'support'
> however I just thought it would be great if a port was available where the
> packages had been compiled specifically for i686 as I have noticed that
> when I use i686 optimised distro's such as arch, or even slackware there
> is a noticable performance difference.
I'm no expert, but I believe the thinking is that most of the processor dependent code is in libc6, for which we do have the -i686 version, and the kernel, which also comes in -686 flavors.
> Richard Thompson
Celejar -- mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator

Date: Tue, 28 Aug 2007 16:16:40 -0400 From: "Loeghmon T. Nejad" <loeghmon@gmail.com> To: debian-user@lists.debian.org Subject: WYSIWYG editor Message-ID: <666ccf3a0708281316y189b8561xfb4c32b0f4a99f28@mail.gmail.com> Content-Type: multipart/alternative; boundary="----=_Part_144479_7372067.1188332200690" ------=_Part_144479_7372067.1188332200690 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline What do you recommend as a good, practical WYSIWYG editor for creating simple web pages, with mostly text, some graphics and pdf, for debian Lenny please? Thanks. -- Regards, ------=_Part_144479_7372067.1188332200690 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline What do you recommend as a good, practical WYSIWYG editor for creating simple web pages, with mostly text, some graphics and pdf, for debian Lenny please? Thanks.<br clear="all"><br>-- <br>Regards, ------=_Part_144479_7372067.1188332200690--

Date: Tue, 28 Aug 2007 20:23:43 +0000 From: "Douglas A. Tutty" <dtutty@porchlight.ca> To: debian-user@lists.debian.org Subject: Re: nvidia-glx under Debian 4.0r1 Message-ID: <20070828202343.GA9182@titan.hooton> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Aug 28, 2007 at 09:44:11PM +0200, Bart wrote:
> I've installed Debian 4.0r1 and now I want 3D support for my Nvidia
> graphics card.
>
> I'm following instructions as can be found on
> http://wiki.debian.org/NvidiaGraphicsDrivers
>
> I can install the nvidia-kernel-sources, but not the nvidia-glx package.
> The error given is:
>
> The following packages have unmet dependencies:
> nvidia-glx: Depends: libc6 (>= 2.5-5) but 2.3.6.ds1-13etch2 is to be
> installed
>
> Is there a way to solve this?
>
> I'm new to Debian, so don't shoot me ;)
First, run aptitude and do an update. Install any security updates. If you're running Etch, you don't need the sources. You need the glx that you have and you have to ensure that the kernel modules it brings in are the same number as your installed kernel. Then you need to read all the documentation in /usr/share/doc/nvidia* and all the man pages available with $apropos nvidia Also, I highly recommend that you ensure that X is working with the nv driver before you fiddle with the nvidia driver. Finally, do not use nvidia's own installer since it overwrites existing debian files on your system and will eventually make a hash of it. Good luck, Doug.

Date: Tue, 28 Aug 2007 20:58:56 +0100 (BST) From: "Richard Thompson" <binary@freedom.prodigynetwork.co.uk> To: debian-user@lists.debian.org Subject: [Fwd: Re: i686 Port] Message-ID: <3185.90.199.218.242.1188331136.squirrel@freedom.prodigynetwork.co.uk> Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable ---------------------------- Original Message ---------------------------= - Subject: Re: i686 Port From: "Richard Thompson" <binary@freedom.prodigynetwork.co.uk> Date: Tue, August 28, 2007 8:54 pm To: "Celejar" <celejar@gmail.com> -------------------------------------------------------------------------= -
> On Tue, 28 Aug 2007 16:06:10 +0100 (BST)
> "Richard Thompson" <binary@freedom.prodigynetwork.co.uk> wrote:
>
>> I was wondering why debian doesn't have a port of packages optimised f=
or
>> i686, I realise they have support for i386, which obviously incudes
>> everything from an intel 386 to the latest and greatest intel and amd
>> processors (running in 32bit), ultimatley the i686 already has 'suppor=
t'
>> however I just thought it would be great if a port was available where
>> the
>> packages had been compiled specifically for i686 as I have noticed tha=
t
>> when I use i686 optimised distro's such as arch, or even slackware the=
re
>> is a noticable performance difference.
>
> I'm no expert, but I believe the thinking is that most of the processor
> dependent code is in libc6, for which we do have the -i686 version, and
> the kernel, which also comes in -686 flavors.
>
>> Richard Thompson
>
> Celejar
> --
> mailmin.sourceforge.net - remote access via secure (OpenPGP) email
> ssuds.sourceforge.net - A Simple Sudoku Solver and Generator
>
>
> --
> To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact
> listmaster@lists.debian.org
>
>
Yes, I expect you are right about that, but there are other things such a= s services which, if they were i686 optimised I would expect to see a performance increase, I am also no expert, I was just jealous of arch's speed, and also suprisingly slackware's speed, which would suggest they'v= e got something right Richard Thompson

Can we help you?X

Date: Tue, 28 Aug 2007 20:24:47 +0000 From: "Douglas A. Tutty" <dtutty@porchlight.ca> To: debian-user@lists.debian.org Subject: Re: replacement for formmail Message-ID: <20070828202447.GB9182@titan.hooton> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Aug 28, 2007 at 12:51:00PM -0700, Freddy Freeloader wrote:
> Anyone have any good recommendations for replacing formmail?
>
> I just started working for someone who is using it and we are trying to
> lock his sites down more than they have been in the past and are looking
> for a replacement.
What is formmail? Doug.

Date: Tue, 28 Aug 2007 17:24:49 -0300 From: "Cavan Mejias" <cavanmejias@gmail.com> To: Mike <mikewk147@oh.rr.com> Cc: debian-user@lists.debian.org Subject: Re: Shut down or leave on? Message-ID: <f2c879ff0708281324v21dd9798qc8780e700ee3a316@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline How much would all this apply to a laptop? I mean, are they considered more robust or less? w/ regard to powering off and on? Cavan On 8/28/07, Mike <mikewk147@oh.rr.com> wrote:
>
> ----- Original Message -----
> From: "Raquel" <raquel@thericehouse.net>
> To: <debian-user@lists.debian.org>
> Sent: Tuesday, August 28, 2007 1:50 PM
> Subject: Re: Shut down or leave on?
>
>
> > On Tue, 28 Aug 2007 09:45:51 -0700
> > Jeff <debian@waysoft.com> wrote:
> >
> >> Raquel wrote:
> >> > On Tue, 28 Aug 2007 11:28:35 -0400
> >> > "Richard Carter" <carter.r.a.l@gmail.com> wrote:
> >> >
> >> >> Hi Folks,
> >> >>
> >> >> Is it better to leave a system running all the time or is it
> >> >> better to shut it down over night, on weekends, holidays etc?
> >> >>
> >
> > <snip>
> >
> >> >>
> >> >> I'd appreciate your advice.
> >> >>
> >> >> Robin Carter
> >> >>
> >> >
> >> > I've always gone for leaving my machines on. I feel there is
> >> > less wear and tear on components by leaving the machine on.
> >> >
> >> Specifically, as I understand it, thermal shock to minuscule
> >> electronic components during power-on. In the past, I've lost a
> >> number of motherboards and processors due (presumably) to this
> >> effect. Since keeping my machines on 24/7 (for several years
> >> now), I have not had any such problems.
> >>
> >> Jeff
> >>
> >
> > I also understand that when the hard disks get power that the
> > platters torque just a tad, if not causing heads to come into
> > contact with the platter, at least causing wear on bearings.
> >
>
> The stress created during the cool down and heat up cycle, between powering
> off and powering on, can cause microfractures in the solid state components.
> Further, on the lower quality powersupplies, the power on sequence can cause
> current surges that can also weaken electronic components, although the
> filtering in the present day switching powersupplies is supposed to
> eliminate this. The amount electricity usage from present day devices is
> minimal compared to replacement costs for those devices. I say, leave it
> on.
>
> -mike
>
> > --
> > Raquel
> > ============================================================
> > Our particular principles of religion are a subject of
> > accountability to our god alone. I enquire after no man's and
> > trouble none with mine; nor is it given to us in this life to know
> > whether yours or mine, our friend's or our foe's, are exactly the
> > right.
> > --Thomas Jefferson
> >
> >
> > --
> > To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
> > with a subject of "unsubscribe". Trouble? Contact
> > listmaster@lists.debian.org
> >
>
>
> --
> To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact
> listmaster@lists.debian.org
>
>

Date: Tue, 28 Aug 2007 16:30:15 -0400 From: Celejar <celejar@gmail.com> To: debian-user@lists.debian.org Cc: binary@freedom.prodigynetwork.co.uk Subject: Re: [Fwd: Re: i686 Port] Message-Id: <20070828163015.905c02a6.celejar@gmail.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 28 Aug 2007 20:58:56 +0100 (BST) "Richard Thompson" <binary@freedom.prodigynetwork.co.uk> wrote:
> ---------------------------- Original Message ----------------------------
> Subject: Re: i686 Port
> From: "Richard Thompson" <binary@freedom.prodigynetwork.co.uk>
> Date: Tue, August 28, 2007 8:54 pm
> To: "Celejar" <celejar@gmail.com>
> --------------------------------------------------------------------------
>
> > On Tue, 28 Aug 2007 16:06:10 +0100 (BST)
> > "Richard Thompson" <binary@freedom.prodigynetwork.co.uk> wrote:
> >
> >> I was wondering why debian doesn't have a port of packages optimised for
> >> i686, I realise they have support for i386, which obviously incudes
> >> everything from an intel 386 to the latest and greatest intel and amd
> >> processors (running in 32bit), ultimatley the i686 already has 'support'
> >> however I just thought it would be great if a port was available where
> >> the
> >> packages had been compiled specifically for i686 as I have noticed that
> >> when I use i686 optimised distro's such as arch, or even slackware there
> >> is a noticable performance difference.
> >
> > I'm no expert, but I believe the thinking is that most of the processor
> > dependent code is in libc6, for which we do have the -i686 version, and
> > the kernel, which also comes in -686 flavors.
> >
> >> Richard Thompson
> >
> > Celejar

> Yes, I expect you are right about that, but there are other things such as
> services which, if they were i686 optimised I would expect to see a
What do you mean by services? Is there userland (outside the kernel) TCP/IP networking code which is 686 specific?
> performance increase, I am also no expert, I was just jealous of arch's
> speed, and also suprisingly slackware's speed, which would suggest they've
> got something right
Are you sure that you're comparing apples to apples? Are you running the exact same DE, general system load, daemons, etc.? I'm not doubting you, I'm just trying to nail down the comparison precisely.
> Richard Thompson
Celejar -- mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator

Date: Tue, 28 Aug 2007 16:42:28 -0400 From: Celejar <celejar@gmail.com> To: debian-user@lists.debian.org Subject: Re: question about kernel source packages Message-Id: <20070828164228.8e0f0ca0.celejar@gmail.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 28 Aug 2007 15:15:08 -0400 icelinux@icelinux.net wrote:
> Quoting "Mumia W.." <paduille.4061.mumia.w+nospam@earthlink.net>:
>
> > On 08/28/2007 12:02 PM, icelinux@icelinux.net wrote:
> >> I notice there is a source package for the kernel and a package of
> >> debian patches. Has the kernel source already been patched or would
> >> one need to patch it with all of the included debian patches when
> >> building a custom kernel?
> >>
> >
> > It's already patched.
>
> Doublechecking, you are absolutely positive?
I believe he's correct. From the description of linux-patch-debian-2.6.22:
> Description: Debian patches to version 2.6.22 of the Linux kernel
> This package includes the patches used to produce the prepackaged
> linux-source-2.6.22 package, as well as architecture-specific patches. Note
> that these patches do NOT apply against a pristine Linux 2.6.22 kernel but only
> against the kernel tarball linux-2.6_2.6.22.orig.tar.gz from the Debian
> archive.
So the prepackaged kernel source has already been patched. The patch has been applied against the mentioned Debian tarball. All this is AFAICT. Celejar -- mailmin.sourceforge.net - remote access via secure (OpenPGP) email ssuds.sourceforge.net - A Simple Sudoku Solver and Generator

Date: Tue, 28 Aug 2007 13:46:24 -0700 From: David Brodbeck <brodbd@u.washington.edu> To: List Debian User <debian-user@lists.debian.org> Subject: Re: Shut down or leave on? Message-Id: <4FAD7368-3F21-4873-81EA-7A09B73E7CA1@u.washington.edu> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7bit On Aug 28, 2007, at 1:24 PM, Cavan Mejias wrote:
> How much would all this apply to a laptop? I mean, are
> they considered more robust or less? w/ regard to powering off and on?
I don't like to leave laptops on because I've had cooling fan failures in a few laptops. I figure the less time the fan runs, the longer it'll last. This may apply less to more recent laptops where the fan runs very little when the machine is idle, though.

Date: Tue, 28 Aug 2007 15:49:03 -0500 From: Sam Leon <leon.mailinglist.36@gmail.com> To: debian-user@lists.debian.org Subject: Re: WYSIWYG editor Message-ID: <46D48A3F.3070809@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Loeghmon T. Nejad wrote:
> What do you recommend as a good, practical WYSIWYG editor for creating
> simple web pages, with mostly text, some graphics and pdf, for debian
> Lenny please? Thanks.
>
> --
> Regards,
I would like to know too. I think us html noobs using linux are just out of luck :( Quanta plus has a very crappy one that I have been using though. Sam

Date: Tue, 28 Aug 2007 15:49:15 -0500 From: Martin McCormick <martin@dc.cis.okstate.edu> To: debian-user@lists.debian.org Subject: Re: Shut down or leave on? Message-Id: <200708282049.l7SKnFZH007043@dc.cis.okstate.edu> Content-Type: text/plain; charset="us-ascii" Content-ID: <7041.1188334155.1@dc.cis.okstate.edu> Raquel writes:
> I also understand that when the hard disks get power that the
> platters torque just a tad, if not causing heads to come into
> contact with the platter, at least causing wear on bearings.
As somebody also posted, the heads get parked when the drive powers down. If you listen to one start up, you will hear head activity a few seconds after the platter comes up to speed even if the data cables are not connected. The controller on the drive board handles this housekeeping stuff. When the power is turned off, you can hear the head snap back to a safe position immediately. I think some drives exercise the head rack during lulls of activity to keep it from stiffening up. My main Linux box used to run WindowsNT and I would hear the main drive rhythmically ticking at times. I would say to my wife, "God only knows what the script monkeys are up to today." Then, she bought a laptop and I put Debian on that original computer. It has two IDE drives in it and one of them still makes that same noise when nothing should be happening. It will do that for a minute or two and then fall silent so I think the controller is just flexing the head rack. Martin McCormick

Date: Tue, 28 Aug 2007 15:51:05 -0500 From: ArcticFox <genkokitsu@insightbb.com> To: debian-user@lists.debian.org Subject: Re: Shut down or leave on? Message-Id: <012d4ea3932f30a06b6b62c7b7ad0d6a@insightbb.com> Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit On Aug 28, 2007, at 3:46 PM, David Brodbeck wrote:
>
> On Aug 28, 2007, at 1:24 PM, Cavan Mejias wrote:
>
>> How much would all this apply to a laptop? I mean, are
>> they considered more robust or less? w/ regard to powering off and on?
>
> I don't like to leave laptops on because I've had cooling fan failures
> in a few laptops. I figure the less time the fan runs, the longer
> it'll last. This may apply less to more recent laptops where the fan
> runs very little when the machine is idle, though.
>
I tend to leave my laptop on all the time, though I have an iBook (no fan) and I sleep it when I'm not using it. End of debian-user-digest Digest V2007 Issue #2267 ************************************************** Received on Tue Aug 28 17:08:01 2007

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