Re: SD card, exfat, file mtime wrong

2021-12-06 Thread Dirk Neumann
On Mon, 6 Dec 2021 23:07:36 -0600
David Wright  wrote:


> 
> I would first start with the camera. What do the internal timestamps
> say about when you took the photograph. (I find it useful to take a
> photograph of a clock, and archive it.) Then look at the filesystem
> timestamp (which you've done). And of course, there's the filename,
> sometimes a sequence number, sometimes a timedate (mangled, so it
> usually sorts in a bizarre order). They're all different.

Most cameras write a timestamp also into the exif data. If you look at
such an image, you will find something like this "2021:01:18 08:46:28"




Re: Non-working CPU cores showing up

2021-11-30 Thread Dirk Neumann
On Tue, 30 Nov 2021 08:52:59 -0800
Ken Cunningham  wrote:


> 
> Some software, like ninja etc, use that information to decide how many 
> parallel jobs to set up. On my systems (2 processors, 6 CPUs on each, each 
> with two threads per core = 12 parallel build processes) that works out well 
> it seems.

I would have expected 24 parallel build processes on your machine




Re: linux-image for i586

2010-11-12 Thread Dirk Neumann
On Sat, 13 Nov 2010 00:38:03 +0700
Sthu Deus  wrote:

> Thank You for Your time and answer, Dirk:
> 
> > Not all i586-CPUs have MMX, so I'm not sure if the kernel would use
> > MMX in i586-mode (despite for runtime-mmx-detection, but this option
> > you can have without march=i586). And you are always free to 
> > a) compile a kernel with march=i586
> > b) use mmx in your favorite userland application
> 
> Could You be a bit more specific here w/ b) option?
> Thank You, once again.

Don't expect any "WOW". If your application uses MMX, it does not lose
this option on a non-mmx-kernel, and vice versa.

Dirk.


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Re: how to start gnome from the command line

2010-11-12 Thread Dirk Neumann
On Fri, 12 Nov 2010 11:39:56 -0300
Kjetil brinchmann Halvorsen  wrote:

> I have just installed debian squeeze from CD-rom 1 (amd64), and from the
> command line run sudo apt-get install gnome-desktop-environment.
> 
> But on booting the computer I am still dropped to a shell, and the command
> startx
> do not work.

Can you give more details?

> 
> How do I start gnome from the command line (and how configure debian to start
> it automatically on boot?

Install a display-manager.

Dirk.


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Re: linux-image for i586

2010-11-12 Thread Dirk Neumann
On Fri, 12 Nov 2010 16:49:11 +0700
Sthu Deus  wrote:

> Thank You for Your time and answer, Johan:
> 
> > The i486 kernel will run on an i586 box.  Even if you compile the
> > kernel for i586 how much speed are you really going to get?  A few
> > percent? And how much time do you spend in kernel as opposed to
> > userland?  Maybe 3-20 percent depending on what you are doing right?
> > So, in rough numbers, that's a 10% off on 10% of what you do for a
> > net of roughly 1%.
> 
> Actually I am not so much concerned as to speeding up the machine as
> for using its all abilities - MMX tech. for example. I do not in any
> case - know if it helps - just my opinion as there are different
> packages for different CPUs. In past times I saw for i586 CPU packages
> in another distro.

Not all i586-CPUs have MMX, so I'm not sure if the kernel would use MMX
in i586-mode (despite for runtime-mmx-detection, but this option you
can have without march=i586). And you are always free to 
a) compile a kernel with march=i586
b) use mmx in your favorite userland application

Dirk.


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Re: How can I emulate Debian for PowerPC on Intel processor?

2010-07-30 Thread Dirk Neumann
On Fri, 30 Jul 2010 03:56:32 -0700
Christian Simo  wrote:

> Dear Team!
> 
> I currently virtualize with vmware,
> Please how can I  run Debian for PPC on Intel or How can I emulate Intel to
> support PPC OS

A first thought:
qemu (contains qemu-system-ppc).

Dirk.


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Re: Virus or what?

2010-07-06 Thread Dirk Neumann
On Mon, 5 Jul 2010 23:19:57 +
lejkt lejkt  wrote:

> 

> now with more than 20 GB on the partition  mounted on /
> 
> I made the same installation, but after 2 days of use, i expected the same 
> problem, partition mounted on / become full and /etc/init.d/mysql: ERROR: The 
> partition with /var/lib/mysql is too full! failed!

What says

$ du -sh /var/log

> 
> 
> please help me solve this problem.

It seems like a problem for debian-u...@lists.debian.org.

Dirk.


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Re: 64-bit netbooks with Debian linux

2010-05-05 Thread Dirk Neumann
On Wed, 05 May 2010 08:56:48 -0500
Ron Johnson  wrote:

> >
> 
> The question, though, is: "What -- beyond geekness -- is the 
> *benefit* of amd64 in 'low' RAM systems?"

I did some tests with my most used apps (gcc, tar, bzip2...) about 2 and
a half year ago with i386 and amd64-kernels. Nearly the same behavior,
with one exception: I/O (disk and console) is much faster on amd64, but
I don't know why...
If anyone is interested in details, I can search the results of this
tests runs.

Dirk.


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Re: install debian without screen (on guruplug)

2010-03-10 Thread Dirk Neumann
On Tue, 09 Mar 2010 13:58:50 +0100
Julien Vehent  wrote:

> Hi Debian folks,
> 
> I was considering testing this little piece of hardware that guruplug is.
> http://www.newit.co.uk/shop/proddetail.php?prod=GuruPlug-Server
> 
> Very attractive, but no vga output. So, next question is: how do I install
> lenny without a display ?...

That's for fedora,

http://www.instructables.com/id/How-to-install-Fedora-on-a-SheevaPlug-and-boot-off/

but you can adapt it to Debian via:

http://www.debian.org/releases/stable/arm/index

Dirk.


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Re: Disk performance problem

2010-02-25 Thread Dirk Neumann
On Thu, 25 Feb 2010 11:48:27 +0200
Veli Cakmak  wrote:

> Dear Friends;
> 
> I have servers which contain SATA disks and SAS disks. I was testing the
> speed of writing on these servers and I recognized that SAS 10.000 disks
> much more slowly than the SATA 7200. What do you think about this slowness?
> What are the reasons of this slowness?
> 
> 
> 
> Thank you for your help.
> 
> 
> 
> 
> 
> I am giving the below rates (values) which I took from my test (from my
> comparisons between SAS 10.000 and SATA 7200);
> 
> 
> 
> 
> 
> dd if=/dev/zero of=bigfile.txt bs=1024 count=100 when this comment was
> run in SAS disk server, I took this output(10.000 rpm)
> 
> (a new server,2 CPU 8 core and 8 gb ram)
> 
> 100+0 records in
> 
> 100+0 records out
> 
> 102400 bytes (1.0 GB) copied, 12.9662 s, 79.0 MB/s (I have not used this
> server yet) (hw raid1)

Your testchunk is smaller than your RAM, so you test mainly the
performance of your cache. You also have different RAID-configurations.
Try these tests again with 100GB data, at least 3 times with every
disk you want to test. At the same server. Then you may start comparing
results.

Dirk.


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Re: Debian 5.0 & 64 bits

2009-12-14 Thread Dirk Neumann
On Sun, 13 Dec 2009 19:50:10 -0800
Kelly Clowers  wrote:

> 
> Personally, I like my 4 gigs; running Awesome WM with terminals
> and 2 instances of Gecko browsers, each with a plethora of tabs,
> I barely touch the swap space.

And don't forget your VM-image running completely from cache...

Dirk.


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Re: Why CUPS?

2009-12-09 Thread Dirk Neumann
On Tue, 08 Dec 2009 11:14:22 -0500
Stefan Monnier  wrote:

> 
> IIUC the main feature of CUPS is that it lets client applications get
> a description of the printer's features, so they can give you a nice GUI
> widget to let you choose simplex/duplex, draft/quality, photo-paper,
> color/b&w, ...

Unfortunatly, some of these settings (namely: paper size) are
consequelty ignored by CUPS.

> 
> It's really sad that we can't have both.

But it would be fine if we could have one.

Dirk.


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Re: To run a program under another user.

2009-11-30 Thread Dirk Neumann
On Tue, 1 Dec 2009 00:09:33 +0700
Sthu Deus  wrote:

> Good day.
> 
> 
> I need to run a console program under another user - if I try to do so with 
> the help of sudo - ut tells me that I'm out of the sudoers list. If I try to 
> run it w/ the help of gksu (though weird it is) - it does so, but having 
> started - the program soon is finished - as if the user has pressed Ctrl-D 
> (it requires user's activity - when the user presses the combination - only 
> then it finishes its work) - and I do not know why it happens (this 
> "autopressing" of Ctrl-D).
> 
> So, my question is:
> 
> . if there is a way I can run the program under the wanted utility that at 
> one hand reqquires not a sudoers list, at another - no need to run a 
> X-application -

ssh otheru...@localhost

Dirk.


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Re: AMD-K6-2 processor for Lenny

2009-11-30 Thread Dirk Neumann
On Mon, 30 Nov 2009 13:31:36 +0100 (CET)
forman...@email.cz wrote:

> 
> Yes - I have read it.
> menuconfig on Lenny - kernel 2.6.26-2 says only 4 options (if .config in 
> place or not):
> 
> ( ) Opteron/Athlon64/Hammer/K8 
> ( ) Intel P4 / older Netburst based Xeon
> ( ) Core 2/newer Xeon 
> ( ) Generic-x86-64 

For K6-2, you need arch i386 instead of amd64.

Dirk.


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Re: pv

2009-10-21 Thread Dirk Neumann
On Wed, 21 Oct 2009 20:33:25 +0200
"Tilo Schwarz"  wrote:

> alle konstanten Felddeklarationen gegen die aktuell angegebenen Parameter  
> prüfen und ggf. meckern.

-v

Dirk.


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Re: c++ features

2009-10-07 Thread Dirk Neumann
On Wed, 07 Oct 2009 18:37:03 +0200
pch0317  wrote:

> Hello
> I must write article about C++ programing features under linux.
> Do you have any example article about this issue.

A skeleton:

C++ under linux works great.

Dirk.


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Re: Installing Lenny

2009-08-19 Thread Dirk Neumann
On Wed, 19 Aug 2009 13:19:50 -0400
Roman Gelfand  wrote:

> I have vista 64 and fedora 10 installed  The bootloader is GRUB.  I am
> looking to install Lenny in place of fedora.  What would be the right
> way to approach it?

Backup all the files you need, download a suitable CD-image, burn it
to CD or DVD, boot from it, and answer all the questions you are asked,
like partitioning (select the fedora partitions).

Dirk.


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Re: installing debian on rhel5

2009-08-19 Thread Dirk Neumann
On Wed, 19 Aug 2009 18:16:10 +0530
Vasanthra Devi S  wrote:

> 
> first i have insttled debian 5.0(Lenny) .
> it has three partitions (/,/boot and swap)
> all the three are primary partition.
> 
> after that i have installled rhel5(2.3 kernel).

Why? If you could skip this last step, you should have no problems any
more.

Dirk.


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Re: Happy birthday Debian

2009-08-17 Thread Dirk Neumann
On Sun, 16 Aug 2009 20:47:00 -0500
"Cybe R. Wizard"  wrote:

> On Mon, 17 Aug 2009 09:26:20 +1200
> Chris Bannister  wrote:
> 
> > On Sun, Aug 16, 2009 at 03:34:35PM +0530, Mihira Fernando wrote:
> > > Debian has hit sweet sixteen today!  :)
> > > 
> > > And, yes its already 16th of August in this part of the world..
> > 
> > Still a teenager! and already with a few descendants. :)
> > 
> And Debian's descendants have descendants.  Debian is a grandparent at
> 16!

A well designed OS must not be slow.

Dirk.


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Re: Bulgarian language

2009-07-16 Thread Dirk Neumann
On Thu, 16 Jul 2009 12:45:02 +0300 (EEST)
Nedelcho Nedelchev  wrote:

> Hi
>  
> I want to ask for Bulgarian language for debian. I bye computer with debian 
> and I want to use Bulgarian language to write letters end to write in skype, 
> write documents and etc. Please help me if you can.

In Lenny, I cannot find a package like texlive-lang-bulgarian (but
texlive-lang-cyrillic), and I found a .sty-file "bulgarian".

Dirk.


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Re: a tool that allows to continue copying between HDDs

2009-07-13 Thread Dirk Neumann
On Mon, 13 Jul 2009 12:58:00 -0500
Neal Hogan  wrote:

> >
> >> Good day.
> >>
> >> Is there a tool with which I can continue copying from HDD to another after
> >> some interrupt?
> >
> > mc
> 
> Master Card?
> Midnight connection?
> Multiple Copy?

$ apt-cache search mc
...
mc - midnight commander - a powerful file manager
...


> I'm curious b/c I am mildly interested in the OP's question and I
> briefly attempted to decipher the above response. There is no man page
> for 'mc' and google tends to lean towards midnight connection.

I have one.

> 
> What am I missing?

mc ;)

Dirk.


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Re: a tool that allows to continue copying between HDDs

2009-07-13 Thread Dirk Neumann
On Mon, 13 Jul 2009 21:45:31 +0700
Sthu Deus  wrote:

> Good day.
> 
> Is there a tool with which I can continue copying from HDD to another after
> some interrupt?

mc

Dirk.


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Re: E7400 - i386 and AMD64

2009-07-10 Thread Dirk Neumann
On Fri, 10 Jul 2009 15:15:27 -0300
"Pablo Armando"  wrote:

> Hello,
> 
>   We have a new server with an Intel Core 2 Duo E7400. So only 2 CPU
> exist.
> 
> When we run Debian lenny AMD64 on it, we see this output from /proc/cpuinfo:
> 
> # uname -a
> Linux srv 2.6.26-2-amd64 #1 SMP Thu May 28 21:28:49 UTC 2009 x86_64
> GNU/Linux
> 
> # cat /proc/cpuinfo
> flags   : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm
   ^^
Your CPU supports HyperThreading, so you have 4 virtual cores.

> So it shows 4 CPU but we only have 2.

That's great. The more CPUs, the more you can do. Try a 

# time make -j16 

on your favourite reasonable big sourcecode and compare it with
deactivated ht.

> 
> If we boot with Lenny i386 we see normal output (2 CPU's) and correct "model
> name" identification.
> 
> Model name: Intel(R) Core(TM)2 CPU   E7400  @ 2.80GHz

# cat /proc/cpuinfo 

??

> 
> 
> Should we use Debian amd64 here o i386? Why we see 4 CPU's when we only have
> 2 CPUs (Intel Core 2 Duo)? Is stable amd64 or it is not recommended for a
> server setup?

amd64 should be fine for your server.

Dirk.


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Re: find - output order

2009-07-07 Thread Dirk Neumann
better:
find ii*|sort;find [0-9]*|sort;find aa*|sort


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Re: find - output order

2009-07-07 Thread Dirk Neumann
On Tue, 7 Jul 2009 15:10:06 +1000
Alex Samad  wrote:

> Hi
> 
> does find out put files in any sort order ?
> 
> for example 
> 
> for x in $(seq -w 00 99); do touch $x ii$x aa$x; done && find ii* [0-9]*
> aa*
> 
> is the output guaranteed to be in sort order, i.e. ii* files first and
> sorted and then [0-9]* files next and sorted and then aa* files and
> sorted

First ii* (unsorted), then [0-9]* (unsorted), then aa* (unsorted).
hint:

find ii* [0-9]* aa* | sort

Dirk.


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Re: iceweasel 3.5?

2009-07-01 Thread Dirk Neumann
On Wed, 1 Jul 2009 14:49:10 +0200
Soren Orel  wrote:

> When will Iceweasel 3.5 come to Debian Lenny? :P

New upstream versions usually start their carreer in sid and migrate to
testing when they are mature enough (no bugs for x days)...
Nearly no chance to get it into stable...

Dirk.


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Re: Booting 5 OSes? Is this possible?

2009-06-30 Thread Dirk Neumann
On Mon, 29 Jun 2009 23:33:29 -0400
Zachary Uram  wrote:

> I wish to setup on the same hard disk (500GB):
> 
> Ubuntu 9.04 (64 bit)
> Debian 5.01 (64 bit)
> MS Windows Vista Home Premium (64 bit)
> MS Windows 98 (32 bit)
> MS Windows XP (32 bit)
>
> I want to allocate 50GB for each.
> 
> 5) Any special tips?

Old versions of an OS are mainly used for compatibility with some old
applications. It might be a good idea to save the 50GB-partition of
W98 and install it in a virtual machine instead (on your
home-partition, which is now 300GB instead of 250GB).

Dirk.


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Re: Freeze SO Linux, it's possible?

2008-12-10 Thread Dirk Neumann
On Wed, 10 Dec 2008 17:51:02 +0100
Carlos Carrero Gutierrez <[EMAIL PROTECTED]> wrote:

> Hi, i would like to freeze my linux in order to freeze the OS, then,
> when I reboot the computer all changes that i made in the computer
> dissapears and it returns to the previous OS freezed.
> 
> In windows there is something similar, called "Deep Freeze" (it's
> freeware).
> 
> Somebody could help me? 

do a backup of /etc/
run dpkg --get-selections >outfile

on the new system:
dpkg --set-selections < outfile
apt-get dselect-upgrade
copy backup of old /etc/ to new /etc/

Dirk.


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