Re: 36 or 64 bit?

2010-01-06 Thread Jerry Feldman
On 01/05/2010 07:11 PM, Andy Blanchard wrote:
> I'd boot the 32bit LiveCD version and if it sorts your problems out,
> then go ahead and install it, at least until you know your issues with
> the 64bit version are fixed.
>
> The idea that 64bit performs better than 32bit is a bit of a fallacy
> anyway.  There are some advantages, but generally they only come into
> play when dealing with more than 2GB of mapped memory, doing lots of
> math or manipulating large chunks of data that can be processed 64
> bits at a time instead of 32.  For a general purpose desktop or
> laptop, you'll probably not really notice much benefit most of the
> time and the executables are all slightly larger too.
>
>   
Enrico,
While I've been on the 64-bit bandwagon for a long time (15 years),
there are still issues. I totally agree with Andy. With 32-bits you are
essentially limited to 3GB of memory, but if there are driver issues
with both your sound and network drivers, I certainly would recommend
32-bit temporarily.
Additionally in some benchmark testing I did a few years ago, there are
some applications that run better as 32-bit than if they were built 64-bit.

There are, however, some additional advantages of 64-bit systems. First,
there are 8 additional registers available in 64-bit mode. I think you
should see better graphical performance in 64-bit.

All in all, as a desktop workstation, as Andy mentions, you should not
see any significant benefit with a 64-bit OS, specifically in light of
your problems.

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Re: Request for Input on Creating Linux Courses...

2009-12-26 Thread Jerry Feldman
I taught a Linux course at Northeastern University for a couple of
years. The classroom computers were Windows, but we used a partition
manager and set the systems up for dual booting between Windows and
Linux. Additionally, most of the participants had their own laptops.
Some installed Linux either as a single or dual boot. The IT people were
ok with the dual boot as long as other classes would be able to use the
systems as before. One campus I had help from the IT guy, but the main
campus I had to set up the dual boot with Windows as the default. One
thing I did in the Linux class was to set up X over IP where I had
students running Xeyes on  their laptop and having it display on their
neighbors. This shows some of the power of the Linux/Unix X Windows
system. You can also demonstrate X by running an X server on Windows ans
running an X client through putty.  The students seemed to like this.

And, of course, as mentioned on other posts, demonstrating the several
office products, such as OpenOffice, and showing how OpenOffice will
support much of the features of Office 2007.

On 12/11/2009 04:25 AM, Michael D. Setzer II wrote:
> Finally got the go ahead to create two Linux courses to our College program.
> Have included Linux in my lab since Redhat 9 thru the current Fedora 12, but 
> have just been able to show students little bits of it from time to time, 
> since 
> the program is geared to mostly windows and some courses using AS/400 
> mini system. 
>
> The Ideal is to over a beginning Linux course, and an second level course as 
> a start. In the networking class, I have one 4 hour section where the 
> students 
> go thru the installation of various Linux OS's,  and they can use the Fedora, 
> but many students still stay with windows.
>
> Was wondering if people on the list might have some knowledge of material 
> that would best meet the needs of a community college program. 
>
> Last year I did work with 3 students on a Special project involving my G4L 
> disk imaging project, and it was interesting, but very focused.
>
> Any suggestions would be greatly appreciated. The Ideal is to have it ready 
> for Fall 2010.
>
>   


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Re: wireless problem.

2009-12-25 Thread Jerry Feldman
Check to see what dmesg says. You may need the broadcom firmware, and
you may need to install it manually. Usually it goes into /lib/firmware.
You may need to install b43_fwcutter as well as b43_openfwwf. But first,
check dmesg to see if it is complaining about firmware. My laptop has a
Broadcom card, but it is currently running Ubuntu, and installing
b43_fwcutter automatically obtains and installs the firmware.

On 12/25/2009 02:12 PM, Adrin Jalali wrote:
> Hi there.
> I'm using fedora 12. I have a broadcom wireless  card and I can not
> use it. I used it very well with fedora 11 and earlier. I used to
> install akmod-wl and broadcom-wl. But something  is strange. My
> network manager understands that I have a card, but that card can not
> see any network. Furthermore iwlist scan shows me empty result set.
> Another thing is that when I try to disable wireless with network
> manager or try to start a virtual machine using qemu/kvm or VMWare
> workstation, both with a machine which has a network kard, my kernel
> crashes and I should restart my computer with hardware button of my
> case. I only can rmmod wl and then I can start those machines. I think
> that problem is originated by wireless firmware which is not
> opensource (as I think) because I can plug a USB DLink wireless card
> and work with it with no problem. But as I had not this problem with
> previous kernels I think someone can fix it, or tell me a workarround.
>
> Best Regards,
> Adrin.


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Re: installation through Fedora

2009-11-27 Thread Jerry Ro
Hi,

Fedora; format the partition as fat32
> * boot off the DamnSmallLinux floppy; hopefully it has support for USB
> * copy the XP installation on the newly-created partition using the USB
> drive
> * boot off the Win98 bootdisk, go to the appropriate directory and start XP
> installation (by typing "setup" in the dos prompt, I guess); this should
> install XP on the drive
> * boot the XP; transfer the Fedora install image to the hard drive using
> USB
> drive
> * download and install VirtualBox to XP
> * create small Linux virtual guest in VirtualBox; point it to use physical
> hard drive for its partitions
> * install minimal Fedora as a virtual guest on the rest of the hard drive;
> try
> to put GRUB in the MBR, if possible --- if not, put it on the first sector
> of
> the /boot partition
> * boot DamnSmallLinux off a floppy, reinstall GRUB to MBR, configure it to
> chainload XP
> * boot XP to see if it still works
> * boot Fedora to see if it works at all
> * adapt Fedora to run on native hardware; clean up the VirtualBox mess
> * return the data from the backup
>
> Now, if this procedure fails at any step (and I can bet it will), your
> computer is hosed up, and don't expect anyone to help you pick up the
> pieces.
>
> All in all, I would really consider buying a DVD drive, or going virtual
> with
> XP, or just using Fedora as is (ditch the whole idea of XP). The IFBP
> method
> given above should just discourage you from trying out anything so insane,
> except maybe as a proof of concept that it can be done.
>
>
I see...
Okay, I guess that does not leave me too many easy options.
Thanks for your help...
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Re: installation through Fedora

2009-11-26 Thread Jerry Ro
My other computer is a laptop, so I can't plug in the drive into it...
I don't have other computers.


On Thu, Nov 26, 2009 at 2:08 PM, Mick M.  wrote:

> > Hi all,
> >
> > This is almost like a riddle to me...
> > I want to install Windows XP on a computer that currently
> > has only fedora installed. It does not have a CD-ROM (not
> > working) and I cannot boot from disk on key, though I can
> > access a disk on key on fedora. I have no internet
> > connection on that computer, but I can still copy files from
> > another computer through the disk on key.
> >
> > How can I install windows XP on it?
>
> Put the drive into another computer - install - swap it back.
>
>
> Mick M
>
> Standard guarantee applies - 30 feet or 30 seconds, whichever comes first.
>
> #  find / -name "*your base*" -exec chown us:us {} \;
>
>
>
>
>
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installation through Fedora

2009-11-26 Thread Jerry Ro
Hi all,

This is almost like a riddle to me...
I want to install Windows XP on a computer that currently has only fedora
installed. It does not have a CD-ROM (not working) and I cannot boot from
disk on key, though I can access a disk on key on fedora. I have no internet
connection on that computer, but I can still copy files from another
computer through the disk on key.
How can I install windows XP on it?

One of my thoughts is to use fedora to create a FAT32 partition for Windows
and make it bootable, and then copy the Windows installation there. But I am
not sure about:
(1) how to create a partition while on Fedora, without being able to boot to
some program like gparted? I don't think I can repartition the disk while
running fedora from it.
(2) how to make the new partition "XP bootable" so I can install XP on it in
Linux? I know of a few Windows utilities to do that, not sure about Linux

any ideas on this bootstrapping process will be greatly appreciated.

happy thanksgiving to those who celebrate it.
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Re: F12 installs report here.

2009-11-23 Thread Jerry Feldman
Over the weekend I tried to do an F12 upgrade from F11, but it failed
becaise of an I/O error on media. I was able to boot into the F11/F12
system and crate a new DVD. However, I was not abe to do an upgrade,
just a fresh install.

The fresh install works fine. Additionally, previously on F11 with the
2.6.30 kernels, I did not have any sound (fixed by compiling the latest
Alsa driver). F12 (2.6.31) came up fine with sound. I still have a few
config things to do, such as get some codecs and skype, but things came
up fine.

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Re: man 3 switch

2009-11-17 Thread Jerry Feldman
On 11/16/2009 01:59 PM, Frank Cox wrote:
> On Mon, 16 Nov 2009 10:54:45 -0800
> Rick Stevens wrote:
>
>   
>> C allows quite a bit of leeway to the compiler implementation.
>> 
> Is the C Standard Library actually standard, then, or are there
> implementation differences there as well?
>
>   
To an extent. There is some leeway that is allowed by the standards.
Some things are implementation defined. The man pages generally list the
standards these conform to. There also can be a conflict between
standards. One example was in the math library where SVR specified a
different errno than X/Open so you could not be compliant with both
standards. I have a lot of scars from having to arbitrate this one
between 2 different internal standards groups and the math library folks
at Digital.

On possible example is that functions like strlen(str), the standard did
not define the behavior or the null pointer. Some implementations would
not provide any code to prevent a segfault, where others specifically
would allow a segfault.

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Re: man 3 switch

2009-11-15 Thread Jerry Feldman
On 11/14/2009 12:44 PM, Mark Perew wrote:
> On Sat, Nov 14, 2009 at 5:46 AM, Ed Greshko  <mailto:ed.gres...@greshko.com>> wrote:>
>
> There is even no "man 3 switch" on RHEL4.  When was the last time you
>
>
> For what it's worth ... there is no "man 3 switch" on NetBSD.  I can
> check AIX on Monday and report on that, too.
>
As has been said before, switch is a C language keyword NOT a library
function. The Unix/Linux man pages are limited to commands(1 + 8),
system calls(2), libraries(3), Special File(4), File Formant (5),
games(6),Conventions and other stuff like standards(7).

There is no man page for language components, such as switch in C, for
in Fortan of Python, or any other language. Additionally, you will not
find a switch function in any of the core Linux libraries.

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Re: anyone out there still using NIS?

2009-09-26 Thread Jerry Feldman
On 09/26/2009 02:48 AM, Robert P. J. Day wrote:
>   i'm putting together a tutorial on network services, and i'm really
> uninterested in investing any time in covering NIS.  anyone out there
> still using it?  is it worth it?
>
>   
And my company (Toronto, Ca) is also using it for all of our Unix and
Linux systems.

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Re: Kernel update to 2.6.30.5-43.fc11.x86_64 issues

2009-09-07 Thread Jerry Feldman
On 09/07/2009 02:04 PM, Jason Turning wrote:
> I did the update to kernel 2.6.30.5-43.fc11.x86_64 today, noticed there were
> updates to pulse audio, and when I rebooted wireless didn't work and I heard
> these loud sound pops, one at boot, one at login, so I just reverted back to
> the previous kernel. Anyone having similar issues?
>   
>   
Pulse audio no longer works on this kernel for me. I reverted to
2.6.29.6-217.2.16.fc11.x86_64. I have not had a chance to really
research the problem yet. Will file a bug report if necessary during the
week if time permits.

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Re: (no subject)

2009-08-19 Thread Jerry Feldman
On 08/18/2009 03:45 PM, Sharpe, Sam J wrote:
> Red Hat Enterprise Linux is a very successful, profitable product
> line, which many people buy. I'm not sure how many of them are Fedora
> users and I'm not sure how much Red Hat cares either way - people like
> you are not the target market.
>   
True. Aside from that, RHEL by definition targets the enterprise market.
Centos provides the same bits, but does target a similar business
market, and Fedora targets the consumers, and allows us to do some
testing so that when released, RHEL will be a better product. But, RHEL
does allow Red Hat to employ professionals who do contribute to the
kernel as well as other Linux components which effectively contributes
to making Linux in general better.

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Re: What replaces system-config-display

2009-08-15 Thread Jerry Feldman
On 08/15/2009 12:24 PM, Ed Landaveri wrote:
>  "xrandr to configure resolution/dualhead". That's what I needed to know and 
> as you said: "we'll have to wait 'till then" Thank you very much for your 
> time.
>   
system-config-display is still around
system-config-display-1.1.3-2.fc11 (noarch)

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Re: wireless problem

2009-08-15 Thread Jerry Feldman
On 08/15/2009 10:09 AM, Patrick O'Callaghan wrote:
> On Sat, 2009-08-15 at 19:35 +0530, sandeep Patel wrote:
>   
>> I have installed FEDORA11 in laptop.i am not able to connect wi-fi in
>> laptop.how shall i do?
>> Any one help me.
>> 
> No-one can help you unless you give more information. What make and
> model of laptop do you have? Is Wifi built-in or do you have an external
> device (dongle)? What happens when you try to connect? Is your Wifi
> router properly configured (e.g. can you connect other devices to it)?
>
> It might also be relevant to state how you did the installation, e.g.
> from a Live CD (or USB), from a full install DVD, by upgrading an
> existing installation, etc.
>
> poc
>
>   
Additionally, if you do an lspci (assuming a built-in wireless) you can
see what the chip is. Normally, many laptops with AMD processors use
some version of Broadcom, and you would need to obtain the firmware for
it, which is well documented. But, as Patrick mentioned, no one can help
you unless we know what wireless chip is in use on your laptop.
Additionally, the output of dmesg can also tell you something.
If you are sending this informaiton to the list, please paste only the
relevant lines, not the entire lspci and dmesg.

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Re: FC 11 Boot mode single user [recovery password]

2009-08-14 Thread Jerry Feldman
On 08/11/2009 10:04 AM, Mikkel L. Ellertson wrote:
> Jerry Feldman wrote:
>   
>> Actually, before the umount, you probably want to exit the chroot shell.
>> umount is important in that it forces all data to be written. If you did
>> a proper shutdown, the file system mounted on /mnt/sysimage would be
>> unmounted during the shutdown process, but my background goes back to
>> older Unix systems where things were less stable than they are today.
>>
>> 
> Would you even be able to run umount before exiting the chroot
> shell? I would expect you to run into problems with the file system
> being in use, the mount point not being visible, and the mount not
> listed in mtab until you exit the chroot shell. (Though I would
> expect it to be listed in /proc/mounts.)
>
> On the other hand, I would expect synce to flush the buffers to disk
> even in the chroot shell.
>
> But what I normally do is use exit to get out of the chroot shell,
> and exit again to get out of the rescue shell. This does a proper
> shutdown of the system.
>
> Mikkel
>   
Certainly, a proper shutdown (exit, exit) should do the trick. A sync
will flush the buffers, and probably exiting chroot will force a sync. I
personally prefer to unmount volumes manually just as a paranoid
precaution. And you certainly would not be permitted to unmount the
volume while in the chroot session.

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Re: Computer Slowing down on F11-X86_64

2009-08-14 Thread Jerry Feldman
On 08/13/2009 07:44 PM, Patrick O'Callaghan wrote:
> On Thu, 2009-08-13 at 15:59 -0400, Jim wrote:
>   
>> F11/X86_64.
>> Thunderbird, Firefox, everything is being slowed down.
>>   Running ps aux give me this ,
>>
>> root  2141  1.5 24.0 1349116 243972 tty1   Ss+  Aug09  95:17 
>> /usr/bin/X -br -nolisten tcp :0 vt1 -auth /var/run/xauth/A:0-rJsTly
>>
>> mickey2325  0.8  5.7 1048920 58852 ?   Sl   Aug09  49:08 
>> /usr/bin/plasma-desktop
>>
>> These are the two that seem to be taking up a lot of time.
>> Any Ideals ?
>> 
>
Another thing to look at is memory and swapping. Use the top(1) command
and see if there might be either a memory or cpu hog.  Over the years
I've found that lack of memory is one of the biggest causes of system
slowness. The vmstat(8) command may also show give you some useful
informaition.

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Re: FC 11 Boot mode single user [recovery password]

2009-08-11 Thread Jerry Feldman
On 08/10/2009 06:39 PM, suvayu ali wrote:
>> umount /mnt/sysimage
>> >
>> > The reboot. The umount is very important.
>> 
> Just for knowledge's sake, why is the umount so important?
>   
Actually, before the umount, you probably want to exit the chroot shell.
umount is important in that it forces all data to be written. If you did
a proper shutdown, the file system mounted on /mnt/sysimage would be
unmounted during the shutdown process, but my background goes back to
older Unix systems where things were less stable than they are today.

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Re: FC 11 Boot mode single user [recovery password]

2009-08-10 Thread Jerry Feldman
On 08/10/2009 09:01 AM, Tiago Araujo wrote:
> Dear,
>
> I need recovery password in FC 11.
>
>
There is none. The best way to recover a lost root password is to boot
the installation media, the root file system should be mounted on
/mnt/sysimage, but if it is not, you can mount it by hand.

The use the chroot(8) command  to set /mnt/sysimage as your root, then
use the passwd(1) command to change the password, then to be safe,
unmount /mnt/sysimage.

Example:
(if the root file system is not mounted: mount /dev/sda2 /mnt/sysimage
(assuming this is where root is) )
chroot /mnt/sysimage
passwd
-->you will be prompted
umount /mnt/sysimage

The reboot. The umount is very important.


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Re: Interrpreting modifier codes in /etc/inputrc ??

2009-08-06 Thread Jerry Feldman
On 08/06/2009 02:39 PM, William Case wrote:
> Thanks Tom;
>
> On Thu, 2009-08-06 at 13:25 -0400, Tom Horsley wrote:
>   
>> On Thu, 06 Aug 2009 13:13:14 -0400
>> William Case wrote:
>>
>> 
>>> Is there a tutorial or manual that explains or shows what those modifer
>>> codes mean.  That is, I know "\e" must mean ESC key but what does the
>>> various other codes (e.g. "[1~") mean -- for sure. 
>>>   
>> I'm pretty sure it just means those characters literally. The various
>> vt100 and greater style terminal emulations most commonly used
>> in things like gnome-terminal and xterm all generate escape
>> sequence that look like that. 
>> 
> You are right -- if I type the those characters literally, the readline
> command is performed.
>
>   
>> The question then becomes finding out
>> which keys generate those escapes (but the odds are good it will
>> be the obvious ones like home and end, etc).
>>
>> 
> That is the hard part.
>
> For example: 
> the literal input of both
> "\e[5D": backward-word
> "\e[1;5D": backward-word
> moves the cursor back one word on the command line.
> So does Alt-b (Alt=Meta)
>
> the literal input of both
> "\e[1;5C": forward-word
> "\e[5C": forward-word
> moves the cursor forward one word on the command line.
>
> BUT,
> Alt-f pops down the File menu in gTerminal
> I don't want to override that action.  It could be useful in some
> circumstances.
>
> SO;
> what keys are equivalent to "\e[1;5C" and/or "\e[5C".  I would like to
> bind readline keys universally and systematically so that they don't
> interfere with other key setups (keymaps ?? such as Gnome has) yet can
> be easily remembered from terminal to terminal.
>
> I could (and probably will) just create some new key bindings but I
> thought they should bear some resemblance to the existing binding.
>
>   
For those of you who don't have the little booklets we got from DEC,
here is a URL for VT100 codes. http://www.termsys.demon.co.uk/vtansi.htm


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Re: GRUB question

2009-08-06 Thread Jerry Feldman
On 08/06/2009 12:42 PM, William Case wrote:
> I got some advice re: Fedora live CD and gparted from this list that is
> worth passing on.  You can boot using the Fedora live CD.  Once it is
> fired up 'yum install parted gparted' for one time use. 
>
> You then don't have to mount a hard disk.   Its handy and the gparted
> front end is graphically easy to use if you don't want to spend a lot of
> time and care fretting over all the exact settings.
>   
Why not use the gparted LiveCd. It is very lightweight.
http://gparted.sourceforge.net/


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Re: The ideal mail client?

2009-08-05 Thread Jerry Feldman
Over the past 35 years or so, I have used many email programs from IBM
mainframes, Digital VMS, various timesharing systems, Windows, Unix and
Linux. I have not yet found an ideal mail client short of writing the
whole thing myself, and even that probably would not be ideal. Each one
of us has different expectations. I know people who just love Outlook.
My wife likes an older version of Eudora. It all comes down to personal
preferences. One reason I left the Sylpheed and Claws communities is
that there were some times I wanted to send HTML messages.

One of the reasons I chose Thunderbird over Evolution was that all of my
email (going back over 10 years originally from MH) was the Thunderbird
easily imported my entire MH archive, but I believe that Evolution would
do this just as well.

The bottom line is that, IMHO, email clients are like religions. Some of
us find one that fits us, others use the one that we were "born" with.

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Re: Fedora 11 install issue

2009-08-04 Thread Jerry Feldman
On 08/04/2009 01:27 PM, Kevin Kempter wrote:
> Hi all;
>
> I downloaded the fedora 11 x86_64 DVD iso image and burned it to a DVD with 
> k3b.
>
> Now when I start the laptop with the DVD in the drive , the dvd spins up, and 
> I see this on the screen:
>
> ISOLINUX 3.75 2009-04-16 ETCD Copyright (c) 1994-2000 H. Peter Anvin et al
>
>
> Then it just hangs... 
>   
It would be more useful is you posted the brand, model number, and
memory size.
One possible thing to do is to download isolinux (and its related
initrd), and place them in your /boot directory, modify
/boot/grub/grub.con (or menu.lst) to point to those and see if they
boot. In the past, I have seen some issues where you could not install
from a DVD for various reasons. What about using a live CD, can you boot
from it?


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Re: With Skype, no sound

2009-08-02 Thread Jerry Feldman
On 07/31/2009 05:12 PM, Suvayu Ali wrote:
> On Friday 31 July 2009 10:37 AM, Joel Gomberg wrote:
>> On 07/31/2009 10:09 AM, suvayu ali wrote:
>>
>>> I also run a 64 bit system, and I think sound with skype on 64 bit F11
>>> doesn't work like it used to for F10. :(
>>>
>>
>> I'm running F11-x86_64 and don't have any trouble with sound. If you
>> install Skype with yum, it should take care of any 32-bit dependencies.
>>
>
> I have tried but I can't get sound to work. With default settings,
> Skype says audio doesn't seem to work. And if I explicitly choose
> pulse or any other output device, skype seems to hang and starts
> consuming 50% of my cpu when I make the test call.
>
This works on my Fedora 11 X86_64 (from Fedora Forum)

   1. yum install alsa-oss
   2. modprobe snd-mixer-oss
   3. modprobe snd-pcm-oss
   4. aoss -32 skype (or from Gnome menus)



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Re: threading broken in thunderbird-3.0b2 ?

2009-08-02 Thread Jerry Feldman
On 07/13/2009 10:06 AM, Lonni J Friedman wrote:
> Anyone else notice that email threading isn't working right in
> thunderbird-3.0b2 ?  It worked all the time with the 2.x version from
> Fedora10, and now no matter how many times I click the "Click to
> display message threads" header button, its all just flat.
>
>   
As others have pointed out, thunderbird-3.0b2 threads fine for me on F11
x86_64 including this thread. The only thing that is missing is the
replyto-list plugin, but that feature is supposed to be built-in (There
were some fixes in Beta 3).

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Re: The ideal mail client?

2009-08-02 Thread Jerry Feldman
On 07/31/2009 06:43 PM, Alan Cox wrote:
> claws does all that except the caldav. Its a mail program not a calendar
> and there are better calendar apps. I have a bit over a million items of
> email in it right now and its not yet exploded although it might with
> them all in one folder ;)
>   
I used claws for a number of years using MH format. When I moved to
64-bit, somehow it died on me, and I moved to TBird. One feature of
Claws that I really liked was that I could set up folder properties so
whenever I replied while in a folder, the To: address would always be
the folder default.

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Re: F11: Skype and audio, again

2009-08-01 Thread Jerry Feldman
On 08/01/2009 08:08 AM, Frank Murphy wrote:
> 32bit, 64bit?

> Also Skype may be getting shot down by eBay.
> Start thinking os a sip based solution. ekiga?
>   
There is an ongoing lawsuit in the UK between Skype and StreamCast. I
suppose that eBay might shut Skype down if they are not able to either
settle or find an alternative technology, but my guess is that they will
find a way. It's a complicated suit because of the fact that there were
contracts involved that did license the technology.

Skype runs fine on my Fedora 11 64-bit. Here is what I did to get it
working, thanks for Fedora Forum:
As root:
yum install alsa-oss
modprobe snd-mixer-oss
modprobe snd-pcm-oss

Then as non-root:
aoss -32 skype

I do run Skype from the Gnome menu, but try the 'aoss -32 skype' first.


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Re: from 32 to 64

2009-07-31 Thread Jerry Feldman
On 07/31/2009 03:12 PM, Patrick Dupre wrote:
> Hello,
>
> I do observe abnormal results with my applications
>
> Moving from a 32 to 64 bits architecture, using, c, C++, perl, is
> they something that I should be aware of ? like size of the
> float, integer ?
>
> Thank.
>
In the C and C++ languages as implemented by GCC on Linux and other Unix
systems use a policy called LP64 for 64-bit systems:
char is 8 bits, short is 16 bits, int is 32 bits (always on 32 and 64
bit systems using LP64).
long is 64-bits (on 64-bit systems, 32-bits on 32-bit systems)
float is always 32-bits
double is always 64-bits
pointers are 64-bits on 64-bit systems, 32-bits on 32-bit systems.

There are a number of programming gothchas that have been well documented.
here is a pointer to some documents on HP (part of which I wrote)
http://docs.hp.com/en/5966-9844/ch03s02.html

But, beware, while Linux and Unix systems have adopted LP64 pretty
universally, other systems use LLP64 and ILP64.

The bottom line when writing programs is not to assume anything. Use
types like int32_t, or int64_t for signed integrals, use size_t for
sizes. That will generally be 32-bit on 32-bit systems and 64-bits on
64-bit systems.

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Re: max memory for 32bit fedora?

2009-07-30 Thread Jerry Feldman
On 07/27/2009 11:26 AM, Kevin Kempter wrote:
> Hi all;
>
> whats the max memory (Ram) that 32bit Fedora can actually use?
>
> I'm getting a laptop with a quad core chip and 8G of ram, can I take full 
> advantage of this with 32bit Fedora or do I need to run x86_64?
>
>   
As has been pointed out, a 32-bit Linux with a PAE enabled kernel will
address most of your memory, but consider that a 64-bit kernel can
access memory linearly, and PAE is segmented. A 32-bit kernel cannot
take advantage of the 8 additional registers on your x86_64 processor.
IMHO, you are much, much better off with a 64-bit kernel. With a 64-bit
kernel you can run both 32-bit and 64-bit applications. There are very
few reasons that I can think of to use a 32-bit kernel (I'm biased since
I have been 64-bit since the before Dec Alpha was released). Probably
one disadvantage of running a 64-but system is that you need both 64-bit
and 32-bit libraries. But, considering you are getting a quad core chip
and 8MB RAM, it would be quite a waste. If you want a 32-bit Fedora, run
it in a virtual machine. KVM and Virtual Box should run very nicely in
your configuraiton.

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Re: No audio from KVM/QEMU guest OS's SOLVED

2009-07-13 Thread Jerry Feldman
Thanks to Fedora Forum. The solution is to load the OSS emulation module:

modprobe snd-pcm-oss

On 07/12/2009 02:38 PM, Jerry Feldman wrote:
> After a clean install of Fedora 11, I reinstalled my quest OS's (Windows
> XP x86) and Windows 7 (x86_64) and I was unable to get the audio to work
> in the guests. I have since deleted the Windows 7.
> My host configuration is:
> CPU: AMD Opteron quad core
> 6GB memory.
> Tyan mother board
> Kernel: 2.6.29.5-191.fc11.x86_64
> nVidia MCP55 High Definition Audio
> Currently firewalls and SELinux disabled.
>
> KVM/QEMU details:
> Sound emulator ES1370.
> Windows XP device manager detecting and showing ES1370.
> All volume controls are high not muted.
>
> I am executing KVM via the system tools menu.
>
>   


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Re: No audio from KVM/QEMU guest OS's

2009-07-12 Thread Jerry Feldman
On 07/12/2009 02:38 PM, Jerry Feldman wrote:
> After a clean install of Fedora 11, I reinstalled my quest OS's (Windows
> XP x86) and Windows 7 (x86_64) and I was unable to get the audio to work
> in the guests. I have since deleted the Windows 7.
> My host configuration is:
> CPU: AMD Opteron quad core
> 6GB memory.
> Tyan mother board
> Kernel: 2.6.29.5-191.fc11.x86_64
> nVidia MCP55 High Definition Audio
> Currently firewalls and SELinux disabled.
>
> KVM/QEMU details:
> Sound emulator ES1370.
> Windows XP device manager detecting and showing ES1370.
> All volume controls are high not muted.
>
> I am executing KVM via the system tools menu.
>
>   
Just one more thing that I forgot. Under Fedora 10, audio under KVM was
ok, and I have  been using pulseaudio as is the default.

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No audio from KVM/QEMU guest OS's

2009-07-12 Thread Jerry Feldman
After a clean install of Fedora 11, I reinstalled my quest OS's (Windows
XP x86) and Windows 7 (x86_64) and I was unable to get the audio to work
in the guests. I have since deleted the Windows 7.
My host configuration is:
CPU: AMD Opteron quad core
6GB memory.
Tyan mother board
Kernel: 2.6.29.5-191.fc11.x86_64
nVidia MCP55 High Definition Audio
Currently firewalls and SELinux disabled.

KVM/QEMU details:
Sound emulator ES1370.
Windows XP device manager detecting and showing ES1370.
All volume controls are high not muted.

I am executing KVM via the system tools menu.

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F11 KVM and sound

2009-07-09 Thread Jerry Feldman
I recently set up KVM/QEMU under F11 x86_64 with Windows Xp as the guest
OS. Previously on F10, everything worked fine, but on F11, I'm getting
no sound from the guest OS. Sound works fine from native Linux apps. I
reset the KVM from ES1370 to SB16 and PCSPK to see if any of those
worked. I also checked to make sure that no channels were muted.

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Re: new disk layout

2009-07-03 Thread Jerry Feldman
On 07/01/2009 03:28 PM, Mick M. wrote:
> Hi;
>   I would like some input on disk partitions.
> I bought a 1TB sata drive, it works fine,
>
> At the moment my system has 3 drives 1 160M IDE and 2 sata 250M and 1TB.
> The IDE is for XP, as it will not see the SATA drives.
>
> I want to remove the IDE drive and install XPx64 on the new drive as a 
> VirtualBox image.
> I also want to install F11 on that drive.
>
> My other SATA drive is F10, I want to leave that alone and dual boot F10/F11.
>
> OK  - what do you suggest for partitions on this drive?
> I want to use "regular" partitions - not the default LVM stuff.
>
> I was thinking:
> 1 /boot ext3 200M
> 2 swap 824G ( I have 2G memory)
> 3 / ext4250G
> 4 extended   rest about 750G with ext3 
>
> Will VirtualBox work with ext4?
>   
I have a very similar situation. I was planning on using my 160GB drive
for F10, and placing F11 on the new drive. However through stupidity I
formatted my existing 160 :-[ . So, I ended up placing F11 on the 1TB
with /boot as the first partition, and LVM taking he rest of the volume.
I now have the 160GB drive as a backup. However, I set that up as an LVM
physical volume, but I'm wondering if I lose my other disk how readable
that is, so I may simply reallocate that as a single partition EXT3 or
4. I have allocated some space on my 1TB drive for use by KVM. KVM has
no trouble with ext4, and I suspect that Virtualbox shouldn't either.

In your specific case, the major changes I would make would be to use
physical partition 2 or 3 for the extended and place root, and possibly
swap in the extended partition. Otherwise, I think your use of the other
SATA drive is the way I had initially planned.

I do think you would be better using either QEMU or Xen with KVM as your
Virtual Machine manager.

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Re: Totem Movie Player

2009-07-01 Thread Jerry Feldman
On 06/30/2009 10:33 AM, Rahul Sundaram wrote:
> On 06/30/2009 07:24 PM, Jerry Feldman wrote:
>   
>> I have never been able to get Totem (X86_64) to work on things like .wmv
>> files. However, I do have SMplayer working fine. When I try to run the
>> Totem Movie Player it tells me that I need the Advanced Streaming Format
>> demuxer plugin installed.
>> This is not a biggie, but it is a minor pain.
>> 
>
> Make sure you have gstreamer-plugins-ugly gstreamer-plugins-bad and
> gstreamer-ffmpeg installed.
>   
Thanks Rahul, that did the trick. 

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Totem Movie Player

2009-06-30 Thread Jerry Feldman
I have never been able to get Totem (X86_64) to work on things like .wmv
files. However, I do have SMplayer working fine. When I try to run the
Totem Movie Player it tells me that I need the Advanced Streaming Format
demuxer plugin installed.
This is not a biggie, but it is a minor pain.

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Re: Skype is a CPU hog on Fedora 11

2009-06-30 Thread Jerry Feldman
On 06/29/2009 06:32 PM, Robert Wuest wrote:
> On 06/27/2009 01:38 PM, Jerry Feldman wrote:
>> On 06/22/2009 06:03 PM, Robert Wuest wrote:
>>   
>>> Skype was working fine on Fedora 10, but on 11 it consumes 100% of a
>>> CPU (running on a Q6600 system).  On Fedora 10, it's CPU usage was in
>>> the noise.  After a while (a couple of minutes), the lag time
>>> increases to where it is essentially unusable.  I just did an strace
>>> of a call to the skype testing service thing and I don't really see
>>> anything interesting in there.  Anybody have any ideas what could be
>>> wrong?  Something wrong with my audio maybe?
>>>
>>> Robert
>>>
>>>  
>> Is there a more recent version of Skype for F11 (x86_64) than this:
>>   skype-2.0.0.72-fc5.i586.rpm
>>
>>
>>
>
> That's the latest.  It's old, but it did work like a champ for me on
> F10 and I'm thinking seriously about reverting back to F10, not just
> for skype but numerous little gotchas I've run into.  A month into
> this and I'm still not really solid.   I've got credit on skype that I
> can't use.
>
Thanks Robert.

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Re: Skype is a CPU hog on Fedora 11

2009-06-27 Thread Jerry Feldman
On 06/22/2009 06:03 PM, Robert Wuest wrote:
> Skype was working fine on Fedora 10, but on 11 it consumes 100% of a
> CPU (running on a Q6600 system).  On Fedora 10, it's CPU usage was in
> the noise.  After a while (a couple of minutes), the lag time
> increases to where it is essentially unusable.  I just did an strace
> of a call to the skype testing service thing and I don't really see
> anything interesting in there.  Anybody have any ideas what could be
> wrong?  Something wrong with my audio maybe?
>
> Robert
>
Is there a more recent version of Skype for F11 (x86_64) than this:
 skype-2.0.0.72-fc5.i586.rpm


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Re: how to install wmware in foedora 64

2009-06-06 Thread Jerry Feldman

On 06/05/2009 11:50 PM, Nathan Huang wrote:

Hi guys
I wish to install windows inside fedora, I heard that wmware is best 
tool I can use, but it's too complicated to install vmware in fedora 
64. who guys can provide detailed step of installing vmware in fedora?

thanks

I've got Virtualbox 2.2 installed on my Ubuntu system with both fedora 
10 and Windows XP as a guest. Very easy. I've got Windoews XP, Windows 
Vista and Windows 7 all installed on my desktop system using KVM/QEMU. 
KVM comes with Fedora 10. Both are 64_bit, and both are relatively easy 
to install. Unless you need a specific feature that may not be in KVM, I 
would recommend KVM. But, Virtualbox runs very well under Linux and 
things are relatively easy to configure, and easier than VMWare.


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Re: If you wondered why Intel sucks on Fedora read this

2009-05-23 Thread Jerry Feldman

On 05/16/2009 04:14 PM, Steven W. Orr wrote:
Not that it matters, but the Alpha chip was one impressive processor. That 
thing could clock off as many as 6 instructions per clock tick because of 
intelligent pipelining.
Note that many of the Intel compiler people are former Digital compiler 
people.


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Re: Which html editor you would suggest in the latest Fedora?

2009-05-23 Thread Jerry
Thanks Michael,

I am going to try the Geany.

Many thanks
Jerry

"Michael Fleming"  
???:20090523213438.79703...@defender...
> On Sat, 23 May 2009 18:08:28 +0800
> "Jerry"  wrote:
>
>>
>>
>
> (Tip: a little body text and context helps - what desktop environment
> you're running for a start, as it'll help suggest a "good fit". Need I
> point the OP at http://catb.org/esr/faqs/smart-questions.html ? :-D)
>
> I'm switching between Bluefish and Geany - the latter primarily for the
> revision control integration. Don't discount the classics (vim/emacs) +
> tidy though. :-)
>
> Michael.
>
>
> -- 
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> Fedora / Red Hat Packages http://www.thatfleminggent.com/rpm-packages
>
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Which html editor you would suggest in the latest Fedora?

2009-05-23 Thread Jerry


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Re: Problem with NM and wired /wireless network

2009-05-16 Thread Jerry Feldman

On 05/15/2009 05:33 AM, Mike Martin wrote:

Hi
I have F10 running network manager

Both wireless and wireless work fine independently, however when
network cable is plugged in wireless says it is connected (as per
applet) but cannot access any sites .

Any idea what is going on here?

  
The important issue here is what does the routing table look like. With 
both connected, run the route(8) command with the -n parameter. Take a 
look at your route while on wireless only

Kernel IP routing table with Wireless only
Destination Gateway GenmaskFlags Metric RefUse Iface
192.168.0.0 0.0.0.0   255.255.255.0U  2 00 eth1
169.254.0.0 0.0.0.0   255.255.0.0U  1000   00 eth1
0.0.0.0 192.168.0.1   0.0.0.0UG 0   00 eth1
Kernel IP routing table with both wireless and wired note default route.
Destination Gateway GenmaskFlags Metric RefUse Iface
192.168.0.0 0.0.0.0   255.255.255.0  U 1  00 eth0
192.168.0.0 0.0.0.0   255.255.255.0  U 2  00 eth1
169.254.0.0 0.0.0.0   255.255.0.0 U   1000   00 eth1
0.0.0.0 192.168.0.1   0.0.0.0 UG   0  00 
eth0


I've seen cases where NM fails to set up the default route.

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Re: Lost Wifi connection this morning...

2009-05-16 Thread Jerry Feldman

On 05/13/2009 11:29 AM, Linuxguy123 wrote:

My laptop, running F10, dropped its Wifi connection this morning and for
a while wouldn't reconnect.  The other wireless devices in the house
worked just fine. (iPhone, Windows Vista computer)

When the connection was dropped, Network Manager didn't show any
wireless routers to be available.  I disabled Network Manager and tried
to connect manually.  I got a "device not available" error.

Prior to this, wireless networking was bulletproof.

For whatever reason, it started working again.

/var/log/yum.log has these entries:

May 12 05:01:14 Updated: 1:NetworkManager-glib-0.7.1-1.fc10.i386
May 12 05:01:14 Updated: 1:cups-libs-1.3.10-5.fc10.i386
May 12 05:01:19 Updated: 1:NetworkManager-0.7.1-1.fc10.i386
May 12 05:01:21 Updated: libcurl-devel-7.19.4-5.fc10.i386
May 12 05:01:23 Updated: alsa-utils-1.0.20-1.fc10.i386
May 12 05:01:38 Updated: 1:cups-1.3.10-5.fc10.i386
May 12 05:01:57 Updated: 1:NetworkManager-gnome-0.7.1-1.fc10.i386

  
While my wireless is not on F10, when I connect at home (D-Link DIR 655 
WPA, work (Linksys WPA), and MIT my connections are very solid. But, 
when I connect at the Microsoft Office the wireless tends to lose the 
connection for a period of time, similar to yours.  When you lose your 
connection, check some of the wireless parameters, such as iwconfig and 
the dmesg logs and some other wireless tools. One thing I have seen at 
MIT is that my partner brings in his own router, and sometimes, if I am 
connected to MIT, sometimes NetworkManager decides it likes his router 
better, but I have not seen this behavior recently.



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Re: FC10 and NDISwrapper

2009-05-09 Thread Jerry Feldman

On 05/07/2009 01:38 PM, John W. Linville wrote:

On Thu, May 07, 2009 at 10:30:13AM -0400, Bill Davidsen wrote:
  

Jerry Feldman wrote:


Rather than screw with NDISWrapper, are you using a BroadCom NIC?
There is a native Broadcom driver in F10, but you need to load the 
firmware. There is a utility called b43-fwcutter you would use to do 
this from the Windows driver. In any case, it might be better for you to 
describe your wireless chip and Dell model. Note that NDISWrapper is 
bith a driver (ndiswrapper.ko) as well as a command.  But, in the case 
of Broadcom, it will conflict with the native driver.


  
Where do you D/L the firmware? Or even find the name of the firmware file 
to try and dig it out of Windows? The wireless web site has numbers for the 
firmware, but they haven't matched any filenames for most of the laptops 
I've used.



The instructions seem fairly clear here:

http://wireless.kernel.org/en/users/Drivers/b43#firmwareinstallation

  
When I first used NDISWrapper on my laptoip, I downloaded the Windows 
.sys file directly from the HP support site for my laptop model. Later 
when I started using the b43-fwcutter on SuSE, I used that .sys file to 
cut the firmware. Currently, while I have F10 on my desktop system, I 
have Ubuntu on my laptop and the b43-fwcutter package seems to know 
where to get the firmware.


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Blackberry and Virtualization

2009-05-02 Thread Jerry Feldman
I would like to be able to sync my blackberry Curve through 
virtualization. Both Virtualbox and KVM/QEMU handle USB, and both 
recognize my blackberry device as a storage device. But, I have not been 
able to get either to use the blackberry desktop to sync. With KVM/QEMU, 
one needs to initiate from the command line to recognize the USB device, 
but otherwise the guest OS does recognize the device. I do use Barry to 
back up my blackberry on F10.


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Re: Fedora & XP on same machine, good bad or ugly

2009-05-02 Thread Jerry Feldman

On 05/01/2009 02:50 PM, Aldo Foot wrote:

On Thu, Apr 30, 2009 at 5:32 PM, Steven Kemp  wrote:
  

Good Idea? on different hard drives. XP home installed now.
Good, Bad or ugly? Recommendations.
Steve



XP and Fedora install without problems on the same drive. Install XP first then
Fedora.
Don't forget the limitation of four primary partitions in a single drive.
  
You can use Extended partitions for all of Linux. Routinely, when I 
don't use LVM, for a Linux only system I make primary partition 1 an 
extended for the whole drive and use logicals for the rest of the 
system. Generally, Linux likes  3 filesystems (/boot, swap, and root).  
I always allocate /home and /usr/local a separate. Many times when you 
buy a Windows system, 2 partitions are dedicated, 1 for the C: drive and 
1 for the D: (or restore) drive. During installfests, I normally use a 
partitioner (eg. gparted) to shrink the Windows C: partition, and 
allocate primary 3 as extended. Then I have a number of logical 
partitions available for Linux. I usually don't have too many choices at 
installfests.


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Re: Fedora & XP on same machine, good bad or ugly

2009-05-02 Thread Jerry Feldman

On 04/30/2009 08:32 PM, Steven Kemp wrote:

Good Idea? on different hard drives. XP home installed now.
Good, Bad or ugly? Recommendations.
Steve

Context: I run the BLU Linux Installfests that we have in Boston about 
once every quarter. Most of the time we set up dual booting Windows and 
Linux, but more recently I have been advocating using virtualization. My 
preference is to use Linux as the host OS (because the Linux file system 
is better), and Windows as the guest SO. I personally have Virtualbox 
installed on my Ubuntu laptop (XP and F10 as guests), and KVM/QEMU 
installed on my desktop system with XP and Vista as guests. You will pay 
a bit of a performance penalty, but there are some clear advantages. 
First, the container file (VMWare or Virtualbox) can easily be moved and 
backed up. You can take snapshots. However, it is important to note that 
you do need sufficient memory so virtualization is not recommended for 
older or low-end systems. Additionally, with virtualization you can 
share data between the guests and the host by designating one or more 
directories as a share. The real advantage of virtualization is that you 
can use both the host and guests simultaneously. Let's say I have an app 
that can only run on Windows. I bring up Windows as a VM, run the app. I 
can leave Windows up and running or shut it down when I am done.


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Re: Virtualization for Beginner

2009-05-02 Thread Jerry Feldman

On 04/28/2009 06:53 PM, Andre Robatino wrote:
> VirtualBox-OSE (the Open-Source-Edition) is in RPM Fusion Free 
Updates > Testing for F10 since yesterday(¹). It'll get moved to the

> proper updates directory sooner or later.

> CU
> knurd


> (¹) Note that the RPM Fusion updates-testing repos depend on
> the updates-testing repo from Fedora. IOW: the kmods are build 
against > the 2.6.29 kernel in Fedora's updates-testing repo.


The version currently in RPM Fusion's updates-testing is 2.1.4, while 
the latest closed-source version is 2.2.2.  Is it necessary to do 
anything to convert the contents of one's ~/.VirtualBox directory to 
work with the lower-numbered version?  (As I recall, the update to 
2.2.0 required a file format conversion.)  Or can one just remove the 
closed-source package, install the open-source one, and have 
everything just work?


Also, for people who need the closed-source features such as guest 
access to USB devices, is it possible for the closed-source version to 
be in the nonfree repo?


I upgraded from 2.1 to 2.2 with zero problems. Settings are migrated to 
the new version.


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Re: annoying domain.local issue

2009-04-28 Thread Jerry Feldman

On 04/28/2009 09:03 AM, Valent Turkovic wrote:

The same issue is also with Ubuntu 9.04
I can't ping web.domain.local but I get IP via nslookup and I can ping
the IP address.

Something is fishy, and I guess I didn't configure it properly but I
can't seam to see what I'm doing wrong.

  

Let's go back to basics.
You can to to System/Administration/Network, and edit your connection. 
You can either enter the DNS information in the DNS tab or in the 
General Tab, check Automatically Obtain DNS information... Either should 
do it.


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Re: FC10 and NDISwrapper

2009-04-28 Thread Jerry Feldman

On 04/28/2009 05:08 AM, Gary Stainburn wrote:

Thanks Jerry, Axel,

I'm going to look into the native drivers rather than ndiswrappers. Even 
though I finally got the ndiswrapper rpm's to install I prefer this idea.


The laptop is a Dell Vostro 1510, and lspci gives:

06:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
  

That's what I thought. Take a look at what dmesg tells you. It will 
probably recognize the chip and then complain about the firmware. In 
this case, you would need b43-fwcutter to extract the firmware from the 
Windows .sys file, and (with the appropriate options) drop it into 
/lib/modules. I've done this on my laptop when it was running SuSE and 
now runs Ubuntu.


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Re: FC10 and NDISwrapper

2009-04-27 Thread Jerry Feldman

Rather than screw with NDISWrapper, are you using a BroadCom NIC?
There is a native Broadcom driver in F10, but you need to load the 
firmware. There is a utility called b43-fwcutter you would use to do 
this from the Windows driver. In any case, it might be better for you to 
describe your wireless chip and Dell model. Note that NDISWrapper is 
bith a driver (ndiswrapper.ko) as well as a command.  But, in the case 
of Broadcom, it will conflict with the native driver.



On 04/27/2009 10:18 AM, Gary Stainburn wrote:

Hi folks.

I'm trying to get WIFI working on my new DELL and I've been told to try 
ndiswrappers.


  


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Re: Upgrade from F9 to F11 beta (is that rawhide?)

2009-04-20 Thread Jerry Feldman

On 04/20/2009 09:01 AM, Cannon, Andrew C wrote:


Hi all,

I've got a F9 system at home that I like to use for my emails and 
office based work that doesn't require MS office (thankfully, not much 
does).  I was wondering if there were any issues I should be aware of 
if I wanted to upgrade from F9 to F11 beta?  Should I just sack the 
whole installation, apart from my /home directory, and reinstall?  The 
system is also running with the proprietary nVidia driver (I was 
hoping that would give me 3D acceleration but it didn't seem to work).


It is running as a tri boot installation with XP and Vista selected 
from the Windows boot menu after Grub times out. 

IMHO: I prefer a fresh installation. While upgrade installations have 
been very much improved, there is always the chance of some issue 
cropping up that is a result of the upgrade.  Not sure whether you want 
to go 11 beta or wait for 11.The nVidia drivers are available through 
RPM Fusion and work reasonably well with Fedora 10.
You also might want to consider virtualization. I have both XP and Vista 
running under KVM on my F10 system, but I don't use them heavily. KVM 
comes with Fedora. Sun's Virtualbox also works well.  By virtualizing 
you can run both Linux, XP, and Vista at the same time if you want to.


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Re: Install F10 on a machine that has no CD/DVD drive, i.e. VPS

2009-04-15 Thread Jerry Feldman

On 04/15/2009 08:29 AM, Gabriel - IP Guys wrote:

I'm sorry for the title. It is a challenge that I have at the moment. We
have some VPS(s) 6 in total, and I wish to upgrade the distro that comes
with them. They are currently running FC3 - which is umm... a little
older than I'm comfortable with. I do recall a few years back that I
managed to do something similar with debian, where I was able to upgrade
the distro running, to run  a debian distro of my choice following a
guide online, and I recall I had to turn off swap, and use chroot in the
swap partition, something like that.

Please bear in mind that I cannot remember exactly what the procedure
was, I just recall it was tough, used some crazy but in my eyes
pioneering techniques to blow the old system out the water, and able to
reboot into the distro that I wanted.

For the record, please forgive me for mentioning debian on a fedora
list, I'm fedora/red hat all the way these days - I guess my question
is, I want to install FC8/9/10 onto an old FC3 box, and I don't have a
CD drive and I am not going to upgrade all the way up to the required
version, simply because I want clean installs on each box.

  

I've done this in a number of ways.
first, I set up my home system to boot isolinux, which you can download 
from the Fedora mirrors. The data you need is in the isolinux directory, 
vmlinuz and initrd.img. You will need to update your grub.conf to point 
to these.


You can do a network, hard disk, or NFS install once you boot into this. 
I did a full network install of Fedora 10 this way, and both hard disk 
and NFS installs of RHEL 5.2 on the 6 servers we have in our office.


Once you complete one install, you could use kickstart to install the 
other systems or just perform the same procedure on your systems.


I much prefer these methods over burning a DVD. 


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[OT] Unix/Linux history presentation

2009-04-15 Thread Jerry Feldman
I generally don't send out meeting notifications to a list like this 
(with a widely dispersed membership), but as a result of the discussions 
of the past week here goes:
Some of you may know Clem Cole from Digital and subsequently Compaq and 
now Intel or from Usenix. Clem is giving a talk on "UNIX, Linux, and 
BSD: A Look Back (again)". This talk will be at MIT in Cambridge, Ma 
tonight at 7PM (http://www.blu.org).


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Re: Resizing with gparted for Fedora installation

2009-04-15 Thread Jerry Feldman

On 04/15/2009 01:47 AM, Mark Ryden wrote:

Hello,
  Still I am a little bewildered. I googled and read about it; still
here is my dillema:
there are 2 options which I consider:
1) running gparted from a Linux LiveCD, freeing space from the vista partition.
then rebooting, making sure window vista can start, and then installing Linux
on the freed space.
2) resizing while installing Linux.
Suppose I have the rescue window CDs.
which options is better ?
  
We've been doing Linux Installfests at the BLU for 15 years. My 
preference is step 1:

1. Under Windows, fully defrag the C: and D: partitions.
2. In Vista, you can resize using the resize utility, but I personally 
prefer either gparted or qtparted.  Remember that resizing is a 2-step 
operation. When shrinking, first you shrink the file system, then the 
partition. This is done automatically by gparted and qtparted.

3. Absolutely boot back into Vista to make sure things work.
4. Then you can then install Linux and let Linux allocate the space 
(either by letting the distro do it or manually).
In the past 15 years of doing this I only had one system that would not 
dual boot, and this was a really strange laptop. I even had the guy 
bring it to my house and spent a day with him :-( .


For us at the BLU, our objective is to make sure not to destroy a 
running system. But, I do think that option 2 would work fine,, but make 
sure that Windows is defragged.


These days, I prefer to use virtualization. I have not used the P2V 
approach, but I have installed VirtualBox under Windows with Fedora as 
the guest OS.


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Re: Goto [Was Re: Chown ???]

2009-04-14 Thread Jerry Feldman

On 04/10/2009 11:32 AM, Dave Ihnat wrote:

The purpose of deprecating use of goto was to avoid the spaghetti code
that was so prevalent, especially in C.  
spaghetti code is not limited to any language. You can write bad, 
unreadable code in any computer language. At the time Structured 
programming really targeted COBOL which was the primary business 
programming language.


Try the following statement in COBOL (sorry for upper case, but that was 
all we had):

  ALTER R5RETURN to goto FOO
FOO.

   :
R5RETURN.
   GOTO

I had several COBOL programs that had been converted from IBM assembler 
to Burroughs COBOL. What the alter was was essentially an IBM assember 
subroutine call using the BALR (Branch and Link Register). I loved it, 
the old-time Burroughs programmers hated that code, but I knew IBM 
assembler and was not intimidated  by this.


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Re: Chown ???

2009-04-14 Thread Jerry Feldman

On 04/10/2009 09:51 AM, Tim wrote:

If you're a moderately old-timer, you can do hex to binary in your head.
If you're even older, you can do octal to decimal, and vice versa.  For
extra brownie points, you know EBCDIC in your head.  ;-)

  
I used to and I still have one of my old IBM cards. And as with Rick, I 
also had a DEC Alpha. Never likes the MicroVax, but I once worked on 
PDP-11 serial number 2 (named Gollem on Decnet in Spitbrook Road). My 
original desktop system was an Apple II (with a manual partially 
handwritten by Woz).


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Re: Total Number of Emails Managed By Thunderbird

2009-04-14 Thread Jerry Feldman

On 04/13/2009 03:13 PM, Tim wrote:

On Mon, 2009-04-13 at 13:41 -0400, Jerry Feldman wrote:
  

Providing a total count in all folders could be very costly. First,
what about imap where you have a server that can store thousands of
emails for you, then local folders. Take my case where I have over 150
local folders consisting of emails I have received over 20 years.



Wouldn't it just be counting the totals from the index of each folder,
not counting all the messages?
  
Certainly more attractive to read the index files, but still costly. 
Remember that there also could be imap folders. Certainly tbird could 
keep a running count and update it as it fetch's the email.  The "show 
expanded columns in folder pane" seems to be the closest it comes to 
what the OP wants.


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Re: Chown ???

2009-04-14 Thread Jerry Feldman

On 04/08/2009 06:16 PM, Rick Stevens wrote:

Jim wrote:

Rick Stevens wrote:

Patrick O'Callaghan wrote:

On Wed, 2009-04-08 at 15:27 +, g wrote:

Patrick O'Callaghan wrote:


ttys

'b-'. you did not answer which model and usage of paper. :)


asr33, paper scroll :-)


ASR33s also had the paper tape punch and reader.  KSR33s did not.  I 
had both hooked up to my Altair 8800 back in '77 via 110 baud, 20mA 
current

loop serial interfaces.

Ah, memories!


ASR33 on  a Altair, that far back, You must be at least 100,


Smart*ss!  Nah, I was in college (sophmore).


I started out on a RCA 1802 8 bit and I still have it.  I modified it to
work on S100 bus so I could get more memory , 64k , man you were top 
dog with that kind of memory.


Only had 56K (seven 8KB RAM cards) and a nice 8K EPROM board (had 1702A
PROMS on it) holding a monitor program.
I'm chiming in a bit late, but I did use an ASR33 with a PDP-8 in 
graduate school in 1971-72.

The PDP-8 was the ultimate RISC machine :-)

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Re: Total Number of Emails Managed By Thunderbird

2009-04-13 Thread Jerry Feldman

On 04/12/2009 08:10 PM, g wrote:

Robert L Cochran wrote:

  
Is there a way to get Thunderbird to present a total count of all emails 
which are in all folders?



run a search at:
https://addons.mozilla.org/en-US/thunderbird/

if nothing there, use 'advanced search' google.

  
Providing a total count in all folders could be very costly. First, what 
about imap where you have a server that can store thousands of emails 
for you, then local folders. Take my case where I have over 150 local 
folders consisting of emails I have received over 20 years.


I did find some discussion that might be close to what you want: 
http://www.ghacks.net/2007/04/19/show-message-count-of-all-folders-in-thunderbird/


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Re: Editor to program in C

2009-04-09 Thread Jerry Feldman

On 04/03/2009 06:43 PM, Armin wrote:

I am curious, what part of Emacs is better than Vi?

  
IMHO EMACS is not better than Vi. They both have their uses and are both 
excellent. I stated that I much prefer EMACS for development over most 
other editors, including some IDEs. I like the ability in emacs to be 
able to edit multiple files simultaneously and display them in windows 
although vi also can edit multiple files too. I also prefer that emacs 
can run scripts, commands or compiles capturing results in windows.


My personal preference is to use emacs for development, but to use vi 
for remote editing and quick editing of some files.


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Re: Editor to program in C

2009-04-07 Thread Jerry Feldman

On 04/04/2009 06:56 AM, Paul Smith wrote:

Dear All,

I am starting to learn how to program in C, and I am looking for a
proper editor for that. Do you recommend Kate to me? Or is there
something better?
Time for me to chime in. I have been using EMACs for C and C++ 
development for 25 years, and vi even longer. While there are other good 
editors, I specifically like emacs (and xemacs) because it innately 
knows about make and source control. I work on a system that has over 1 
million lines of code (mostly C++).  Note only is there syntax coloring, 
but it matches parentheses and curly braces. It also can be set for 
automatic indentation (K&R style is the default). Additionally, emacs 
supports multiple windows. You can have them line up horizontally or 
vertically. Normally, when I do a compile, the compilation results are 
displayed in a windows. In addition, the dired feature sets emacs to 
behave like a file manager. Additionally, I routinely to finds and 
greps. Yes, emacs is not easy to lean, but it is extremely rich, has 
modes for most computer languages as well as HTML and XML. While I 
certainly am set in my ways, I could not practice my profession as a 
software engineer without emacs. But, I don't want to belittle vi and 
vim. I use vi especially when accessing files on a non-local server.


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Re: Flashplayer for Fedora10-X86_64

2009-04-05 Thread Jerry Feldman

On 04/01/2009 05:40 PM, Nicolae Ghimbovschi wrote:

1) Remove previous versions

yum remove libflashsupport nspluginwrapper.i386 flash\*
mozilla-plugin-config -r

2) Download and copy the flashplayer in the mozilla plugins folder

curl 
http://download.macromedia.com/pub/labs/flashplayer10/libflashplayer-10.0.22.87.linux-x86_64.so.tar.gz
| tar  -C /usr/lib64/mozilla/plugins/ -xzf -

3) Restart ndiswrapper

mozilla-plugin-config -i

4) Restart firefox
  
Why "Restart ndiswrapper". Ndiswrapper is used for non-stanrdard NIC 
modules, such as broadcom, and not for Firefox. Are you talking about 
//"nspluginwrapper"?
///nspluginwrapper  /is only use  to wrap 32-bit plugins for 64-bit 
browsers. /

/

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Re: Request for help on VM

2009-03-21 Thread Jerry Feldman

On 03/21/2009 09:16 AM, Jerry Feldman wrote:

On 03/20/2009 01:49 PM, RAMAKISHOREBABU KOPPULA wrote:

How to do this with VirtualBox?

On Fri, Mar 20, 2009 at 8:06 PM, Mike Burger 
mailto:mbur...@bubbanfriends.org>> wrote:


Paul W. Frields wrote:

On Fri, Mar 20, 2009 at 12:51:53PM +0100, Joachim Backes wrote:

RAMAKISHOREBABU KOPPULA wrote:
  
G'day all,


I have two partitions in my PC. I have installed F10
on one partition  and Windows XP on the second
partition. Now, can I run the XP as guest  OS on F10
using VM? and how?

Did you try VirtualBox?
  


VirtualBox isn't part of Fedora, and it's not required to do
what the
OP's asking about.  The virtualization that comes with Fedora
works
just fine.

That being said, and the fact that the OP wasn't specific about

which VM system he wanted to use, if a specific one was in mind,
VirtualBox works wonderfully, so far, in my limited use, if he's
interested in that option.

To convert a Windows partition to a Virtual Machine can be done in a 
few ways.
1. Use VMWare's P2V converter. This will convert the data in the 
partition to a .VDK file. You can then import this into Virtualbox. I 
don't know if you can do the same with KVM (Fedora's built-in virtual 
machine).

2. Virtualbox has a web page on how to convert physical to virtual:
<http://forums.virtualbox.org/viewtopic.php?t=11279&sid=b4e5df8dc43a979aec9996896693dfef> 

3. Convert to KVM essentially use VMWare's tool to convert to a .vmdk, 
and use qemu-img to import it into KVM.

http://www.montanalinux.org/physical-to-virtual.html

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Re: Request for help on VM

2009-03-21 Thread Jerry Feldman

On 03/20/2009 01:49 PM, RAMAKISHOREBABU KOPPULA wrote:

How to do this with VirtualBox?

On Fri, Mar 20, 2009 at 8:06 PM, Mike Burger 
mailto:mbur...@bubbanfriends.org>> wrote:


Paul W. Frields wrote:

On Fri, Mar 20, 2009 at 12:51:53PM +0100, Joachim Backes wrote:
 


RAMAKISHOREBABU KOPPULA wrote:
   


G'day all,

I have two partitions in my PC. I have installed F10
on one partition  and Windows XP on the second
partition. Now, can I run the XP as guest  OS on F10
using VM? and how?
 


Did you try VirtualBox?
   



VirtualBox isn't part of Fedora, and it's not required to do
what the
OP's asking about.  The virtualization that comes with Fedora
works
just fine.
 


That being said, and the fact that the OP wasn't specific about
which VM system he wanted to use, if a specific one was in mind,
VirtualBox works wonderfully, so far, in my limited use, if he's
interested in that option.

To convert a Windows partition to a Virtual Machine can be done in a few 
ways.
1. Use VMWare's P2V converter. This will convert the data in the 
partition to a .VDK file. You can then import this into Virtualbox. I 
don't know if you can do the same with KVM (Fedora's built-in virtual 
machine).

2. Virtualbox has a web page on how to convert physical to virtual:
<http://forums.virtualbox.org/viewtopic.php?t=11279&sid=b4e5df8dc43a979aec9996896693dfef>



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Re: FC10, Virtualization , Windows XP

2009-03-14 Thread Jerry Feldman

On 03/04/2009 07:09 PM, Jim wrote:

FC 10/KDE
what is the best Virtualization program for FC10, to run Windows XP in.
I understand because my AMD Athlon doesn't have a "svm" feature I 
can't run KVM, and VM Ware is slow ?


My experience with my HP 6125 AMD 64 laptop was that Virtualbox runs 
much better than my previous VMWare installaiton. Currently, Virtualbox 
2.1.4 is the most current release. Initially, I installed it to run 
Realplayer 10. While there is a native Realplayer on Linux, the videos 
my wife wanted needed MSIE to authenticate, and WINE (and Crossover 
Office) do not support RealPlayer 10.  With VMWare, the images would 
freeze, but with Virtualbox, it works well. However, we use VMWare 
Workstation at work with RHEL 5.2 as the guest OS, and performance is 
reasonable. I use KVM/QEMU at home with no complaints.


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Re: Resizing NTFS partition to make room for FC10

2009-03-09 Thread Jerry Feldman

On 02/28/2009 03:05 PM, Tod Thomas wrote:
I know this is a little off topic.  I did google around looking for 
the correct forum to post this question but had little luck.  If 
anyone can make an informed suggestion I'd very much appreciate it.


I have a 150GB ATA disk, /dev/hdb, containing winxp.  I'd like to move 
the contents to an spare 80GB ATA disk, /dev/hda, to make room for a 
full install of FC10 on the larger disk in preparation for ultimately 
getting the winxp install running under a linux based VM.


From knoppix, I started by using ntfsresize to shrink the xp partition 
down to 20GB.  That worked suprisingly fine.
I then installed the smaller drive and used dd to copy over the image 
of the xp installation:  dd if=/dev/hdb of=/dev/hda bs=1000 
count=2000


I rebooted and voila! it worked - sort of.  The new disk boots xp but 
it still, according to fdisk, thinks its 150GB.  So I used fdisk to 
delete and redefine the xp partition (primary, bootable type=7) with 
the new size of the drive, 20GB.  After rebooting xp came up but then 
started quickly blue screening a message I couldn't read, and 
rebooting.  This repeated in a loop until I just rebooted.  I tried 
the whole process over again but this time specified 80GB to dd and 
fdisk, same disaster.


I tried everything again, but this time instead of fdisk I fired up 
gparted to see if I could resize from there hoping that if it could 
some magic would also fix the invalid sizing detected by fdisk.  
gparted could see the drive but couldn't recognize it as having 
anything it could work with.  I highlighted the drive and the progress 
bar stayed gray.


So far it seems I can use the drive this way without causing xp any 
problems.  The issue is things just don't look right and I suspect it 
will come back to bite me one day.  I'm not an expert at manipulating 
bits on a hard drive just yet.  Could someone point me to my error?  
Is what I'm trying do-able?  If its a conceptual problem a little 
education would come in handy too.
I think that Tod got a lot of good solutions have been proposed. I just 
want to make some clarifications.


ntsfresize (and resize.e2fs, etc) resize file systems, not partitions. 
This is why fdisk things the disk is 150GB. fdisk only looks at the 
partition tables. So, resizing a partition is physically a 2-step 
operation that gparted, qtparted, et. al. do as if it were a single 
step. If you ever have to resize an LVM, it is much the same. To shring, 
first shrink the file system, then the logical volume, to make it 
larger, do just the opposite.


Please report your success once you have virtualized XP into F10, and 
what virtual manager you have used.


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Re: resetting user

2009-03-04 Thread Jerry Ro
I managed to log-in by erasing all the .gconf directory (I saw someone
mentioning it here) in the home directory of the user. However, now the
taskbar and all the status bars in applications appear not in English, but
in another language... I could not find a place to change the language of
the taskbar/apps menus/etc.  I installed system-config-language, but that
did not help, even after I set up the default language. any ideas where I
change the taskbar/etc. language back to English?
Thanks

On Tue, Mar 3, 2009 at 8:20 PM, Jerry Ro  wrote:

> Hello,
> Is there a way to reset user settings as root for the GUI in Fedora 9? What
> happened is that I added a new language to a certain user settings in admin
> Keyboard settings, and that completely ruined his log-in. I cannot log-in
> using that user anymore - when I enter the (correct) password, Fedora looks
> as if it is going to load the GUI, and then goes back to the login. I can
> only login as root. If you can tell me what file includes keyboard settings,
> maybe I could change it. I couldn't find it in the user's home directory.
>
> Any ideas?
>
> Thanks
>
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resetting user

2009-03-03 Thread Jerry Ro
Hello,
Is there a way to reset user settings as root for the GUI in Fedora 9? What
happened is that I added a new language to a certain user settings in admin
Keyboard settings, and that completely ruined his log-in. I cannot log-in
using that user anymore - when I enter the (correct) password, Fedora looks
as if it is going to load the GUI, and then goes back to the login. I can
only login as root. If you can tell me what file includes keyboard settings,
maybe I could change it. I couldn't find it in the user's home directory.

Any ideas?

Thanks
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cannot login after adding keyboard layout

2009-03-02 Thread Jerry Ro
Hello all,
I tried to do something quite simple in fedora 9. I went to System ->
preferences -> hardware -> keyboard and added a new keyboard layout. The
moment I pressed OK, my X-windows crashed, and I was back to the login
screen.

After that I can no longer login using my user name. I can log-in as root,
but whenever I try to enter with my user name, fedora 9 stops for a moment
pretends as if it is going to log-in, but then I get back the log-in screen
after a few seconds.

any ideas how to fix that?

thanks.
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Re: printout sending control codes to the console?

2009-02-25 Thread Jerry Feldman

On 02/24/2009 07:53 PM, Konstantin Svist wrote:

I have a script which prints out some data to the terminal, which I keep
in a screen session.
Often times I see indecipherable characters printed out and the output
freezes - I'm guessing some control code is being triggered from the
printout.
Is there a way to prevent this?


  
ASCII contains a number of control codes. One of these is XOFF (stop 
output or control-S) and another is XON (resume output or control Q). 
Basically the C function isprint(3) tests if a character is printable 
(in C). I'm sure there are similar functions available to Perl and other 
scripting languages. Or you can simply test the value of a character. If 
it is < 0x20 it is a control character.


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Re: kernel

2009-02-25 Thread Jerry Feldman

On 02/24/2009 04:57 PM, James Wilkinson wrote:

"Stanisław T. Findeisen" wrote:
  

Why doesn't Fedora use vanilla Linux kernel?



It’s a bit out of date, but Dave Jones produced
http://people.redhat.com/davej/patchlist-fc3.txt
describing all the patches that went into an FC3 kernel. The kernel has
changed a lot, but Fedora still patches for similar reasons.
  
And Red Hat is very good at pushing their changes up to the mainline. I 
don't know what percentage of patches Red Hat submits that are actually 
accepted.


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Re: Extending Expiration Date of an Already-Expired GPG Key

2009-02-23 Thread Jerry Feldman

On 02/22/2009 01:32 PM, Robert L Cochran wrote:


Okay, I signed the subkey. I didn't "see" that or understand it was
having a detrimental effect until you pointed it out to me. I've sent
the updated key to subkeys.pgp.net and signed this email with it. If
there are other key servers I should send this to, let me know.


Your key now looks fine.

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Re: How to safely migrate from centOS to fedora 10

2009-02-16 Thread Jerry Feldman

On 02/16/2009 09:44 AM, kmadananteshwar.vb...@gmail.com wrote:
Hey folks I am a centOS user who's been running fedora off a live DVD for the past 4 months and am beginning to want to migrate to fedora and would like to know how exactly do I migrate to fedora safely without messing around with my windows vista installation coz I need vista because I use it at work and would be in deep trouble if I screwed up the master boot record of vista and also coz I have a lot of important data on the windows partition 

  

That happens to be exactly what I did.
When you are installing Fedora, when you go to the first partitioning 
screen, select

"Remove Linux Partitions on Selected drives..."

Select the physical drive you are installing to (ie: SDA)

The most important thing is to make sure the following is checked.
"Review and modify partitioning layout"

Once you do this, you will be taken through the partitioner, and you can 
then select what partitions to format, and what will be your mount 
points. Assuming that you want to replace CentOS, then you will probably 
format the root and boot partitions. You can dual boot Fedora or Centos 
with Vista. But, I would suggest you google a bit to make sure.


Another solution is to install a virtual memory manager (such as 
VirtualBox) under Vista and run Fedora as a Virtual Machine.


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Re: Advice on changing to 64 bits

2009-02-15 Thread Jerry Feldman

On 02/14/2009 03:43 PM, Kevin Kofler wrote:

x86 is a very different story than the Alpha. x86_64 adds more registers,
which is already enough to boost program speed (fewer memory accesses
needed). x86_64 also means at least SSE and SSE2 are guaranteed to be
there, so you also benefit from those, whereas on 32-bit x86 only a few
libs have sse2 versions available.

  
I realize, but my recent testing was with x86_64 chips (and IA64 chips). 
The bottom line is that while x86_64 should be faster, because of their 
are 8 more registers than the 32-bit version, as well as SSE and SSE2, 
and linear memory addressing. But, there are still applications that run 
better in 32-bits. In my benchmarks my companies product ran much slower 
on the IA64 than on the x86_64 (in 32-bit mode), but after profiling we 
found it did a lot of jumps. But, comparing, Alpha, x86_64, IA64 is 
certainly not good comparisons. My benchmarks also indicated that 
running a 32-bit application on x86_64 hardware with a 32-bit OS was 
slower than the same application on a very similar box with a 64-bit OS. 
But, for the most part, 64-bits is a win.


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Re: Advice on changing to 64 bits

2009-02-14 Thread Jerry Feldman

On 02/14/2009 10:52 AM, Joshua C. wrote:

It is supposed to be faster than 32 bit but as a human you'll barely
see any difference if at all. 
Actually, I did  a number of (unofficial) benchmarks a while ago when I 
worked for partner engineering at HP.  While most of the benchmarks ran 
well at 64-bit, one of my partner's tested their applications and found 
their 32-bit versions were significantly faster (I think this one was on 
HP-UX, but may have been Linux). Additionally, we found on the Digital 
Alpha that there were some applications that were slower in 64-bits. The 
Alpha was a full 64-bit chip with no native 32-bit mode.  For the most 
part, the personal workstation as you point out, won't make too much of 
a different. Just remember that a 64-bit OS can address the full 4GB of 
the OP's system where a 32-bit OS must use PAE to access over 3GB. This 
restriction only comes into play if you have a very memory intensive 
application.


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Re: Advice on changing to 64 bits

2009-02-14 Thread Jerry Feldman

On 02/14/2009 07:32 AM, Klaus-Peter Schrage wrote:
Up to last week, I had Fedora running in subsequent versions 2 or so 
to 10 on my old Pentium 4 system.


Now I have a rather recent new desktop computer with much of the 
latest and greatest hardware: Intel Core 2 Duo E8400 with 4 GB RAM, 
harddrive with lots of Gagabytes and so on.


Thinking about changing to 64 bits architecture (I have the i386 
installation dvd, but not yet the i86_64 one), I was astonished how 
little I found on pros and cons. So what would you advise?


1. Changing to 64 bits is a must for you.
2. You will benefit from it.
3. Keep your hands off, stay with 64 bits.
4. ...

I should mention that I want to use virtualization (KVM, VMware 
Server), and that the processor has Intel's hardware vitualization 
capabilities.


I would certainly look at KVM/QEMU, and Xen (both use hardware 
virtualization), or Virtualbox, of VMWare Workstation. If you are doing 
server work, then VMWare server may work for you, but if you are putting 
it on a workstation, then do not use the server edition.


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Re: Advice on changing to 64 bits

2009-02-14 Thread Jerry Feldman

On 02/14/2009 07:32 AM, Klaus-Peter Schrage wrote:
Up to last week, I had Fedora running in subsequent versions 2 or so 
to 10 on my old Pentium 4 system.


Now I have a rather recent new desktop computer with much of the 
latest and greatest hardware: Intel Core 2 Duo E8400 with 4 GB RAM, 
harddrive with lots of Gagabytes and so on.


Thinking about changing to 64 bits architecture (I have the i386 
installation dvd, but not yet the i86_64 one), I was astonished how 
little I found on pros and cons. So what would you advise?


1. Changing to 64 bits is a must for you.
2. You will benefit from it.
3. Keep your hands off, stay with 64 bits.
4. ...

I should mention that I want to use virtualization (KVM, VMware 
Server), and that the processor has Intel's hardware vitualization 
capabilities.


I would strongly recommend updating to 64-bits. The big advantage is 
that you can run both 32-bit and 64-bit applications as well as develop 
both.  I've been in the 64-bit world since 1994 (Digital Alpha), and 
Linux itself has been 64-bits since roughly 1995 or 1996. A Tom 
mentioned, your 64-bit virtual machine managers can also run 32-bit or 
64-bit guests. While, in my experience, some applications may perform 
better as 32-bit applications, but many run better in 64-bits. There 
were some issues with Adobe Flash and Sun's Java plugins, but both are 
now available as full 64-bit plugins for Firefox. I'm not sure of the 
architecture of future filesystems, but possibly some drivers in the 
future will be 64-bit only).


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Re: WHY I WANT TO STOP USING FEDORA!!!

2009-02-08 Thread Jerry Feldman

On 02/07/2009 10:51 PM, Mike Chalmers wrote:

Neither can I wait for new programs or features, :-)!

My point is that instead of requiring you to install or do some kind
of a risky yum upgrade (as someone mentioned above, and most likely
the drivers you may have installed may have to be replaced) to get the
newest software, WHY NOT JUST PROVIDE UPDATES FOR THE LATEST SOFTWARE?

You can all rail against me, which I expected, but I was just trying
to make a point because I like Fedora!
  
I've run many distros. I think if you want a continuous stream and stay 
at the cutting edge, look into gentoo. I certainly would prefer a way 
for a smooth upgrade without going through the installer, but I 
understand the dynamics of the way things work as I've been in the Unix 
community for over 25 years. The issue comes down to a combination of 
kernel, drivers, libraries, utilities, and applications. This can 
provide quite a nightmare to figure out what plays with what. 
Microsoft's solution is that you have to buy the next release.


On the other side, upgrading between releases has become much, much 
better so that a fresh install is not necessary. When I upgraded from 
Fedora 9 to Fedora 10, I simply placed the isolinux kernel and initrd in 
my /boot and did an online upgrade. It worked so smoothly for me, I did 
the similar thing upgrading RHEL 4 to 5.2 on some servers at work (with 
RHEL 5.2 via NFS). It saved me having to pester the receptionist for 
keys to the computer room and some of the servers could not read the DVD 
media.


One more comment about the way Ubuntu is set up. When a new release is 
available, you are prompted to do an online upgrade. Again, Ubuntu is 
also on a 6-month cycle. As a person who currently runs both Ubuntu and 
Fedora 10 and RHEL 5.2, and who used to run SuSE, I currently prefer 
Fedora.



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Re: Passing USB into a KVM/QEMU VM F10

2009-02-08 Thread Jerry Feldman

On 02/07/2009 06:24 PM, Phil Meyer wrote:

Jerry Feldman wrote:

Has anyone had any success in passing a USB into a KVM virtual machine.

More specifically, I would like to be able to sync by blackberry. I 
have Windows XP and Windows Vista guest OS's.  Not a biggie as I can 
dump them and use Virtualbox that I have installed on my laptop. I 
have not figured out how to recognize the USB on VB (2.1) yet either, 
but that is more RTFM.




Yes, no worries.

plug in your BlackBerry and run lsusb to see the id numbers.

For instance:

on my system:

...
Bus 001 Device 016: ID 0424:2228 Standard Microsystems Corp. 9-in-2 
Card Reader

...

If I wanted to give a VM access to my card reader, I would append the 
following to the qemu-kvm command line:


-usbdevice 0424:2228

Thats it.

See the qemu-kvm man pages.


Thanks. Why didn't I think of this since I used to do this for my Palm 
device before it was all that automatic. It would be nice if we had a 
jpilot-like utility on Linux for Blackberry, but Barry Backup is good 
for backups.


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Passing USB into a KVM/QEMU VM F10

2009-02-07 Thread Jerry Feldman

Has anyone had any success in passing a USB into a KVM virtual machine.

More specifically, I would like to be able to sync by blackberry. I have 
Windows XP and Windows Vista guest OS's.  Not a biggie as I can dump 
them and use Virtualbox that I have installed on my laptop. I have not 
figured out how to recognize the USB on VB (2.1) yet either, but that is 
more RTFM.


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Re: Xemacs over ssh tunnel question

2009-02-07 Thread Jerry Feldman

On 02/03/2009 06:32 PM, Wolfgang S. Rupprecht wrote:

Jerry Feldman  writes:
  

My Desktop system at work is an HP Integrity (IA64) with Fedora 9 and
a GNOME desktop.  Because I do a lot of compiling under xemacs, I ssh
-X 
to a RHEL 5.2 system to run xemacs. Under RHEL 4, everything worked

fine, but under RHEL 5.2 I am unable to click on any buttons on a
dialog box. Everything else works fine.



Maybe you need "ssh -Y"?

(Although you really putting your trust in the remote system's
security if you do that.)
  
Possibly, but the 2 systems are on the same subnet, although separated 
by a switch. However, I installed RHEL 5.1 on the workstation, and 
xemacs over and ssh tunnel works fine. The bottom line is that the 
problem is solved.


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Re: ethernet comes up at wrong speed.

2009-02-01 Thread Jerry Feldman

On 02/01/2009 02:43 AM, Reg Clemens wrote:

This is an irritant with the boot o a diskless machine.

I have two ethernets on one of my machines, they are both Gigabit 
ethernet adapters, one Intel, the DLink.


eth0 is the Intel, and on the ethernet with my other machines, it 
seems to come up correctly whenever I boot.


The 2nd adapter, eth1, goes ONLY to a diskless machine, which also
has a Gigabit adapter, it 'comes up' during the diskless boot.

Now SOMETIMES when you boot the diskless machine, everything works
just fine.

On other occoasions, the HOST machine shows its eth1 coming up
at 10MBps rather than 1000MBps, and the boot hangs.  


Pushing the boot button on the diskless machine again usually brings
the HOST ethernet adapter up at 1000Bps and the boot procedes.  But one
has usually had to go examine some log files to see what has failed,
and thats a pain.

So, WHY is the adapter coming up at the wrong speed (OK, hardware will
do that).
AND is there any way to tell it to ONLY try 1000Mbps, so that it doesn't
get confused and try the wrong speed???
Hopefully there are some options for ifcfg-eth1 (or elsewhere) that I 
dont know about.


  
First, autonegotiation is in the hardware. You can use ethtool(8) to 
change the NIC parameters. Years ago I had a similar problem with the 
DEC Alpha on my desk connecting to the switch in the lab. Try adding 
this to your ifcfg-eth1:

|This turns off autonegotiation and sets the card to 1GB.
ETHTOOL_OPTS="speed 1000 duplex full autoneg off"

Also it is important to set it to full duplex.

|

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Xemacs over ssh tunnel question

2009-01-31 Thread Jerry Feldman
My Desktop system at work is an HP Integrity (IA64) with Fedora 9 and a 
GNOME desktop.  Because I do a lot of compiling under xemacs, I ssh -X 
to a RHEL 5.2 system to run xemacs. Under RHEL 4, everything worked 
fine, but under RHEL 5.2 I am unable to click on any buttons on a dialog 
box. Everything else works fine.


If I log into a RHEL 5.2 console through a KVM, things work fine. So, 
the issue seems to be some combination of a Fedora 9 IA64 host running 
xemacs through ssh  and X forwarding through the tunnel.


One solution is that I could install RHEL 5.1 on the workstation, but I 
would prefer Fedora. AFAIK, Fedora 10 is not yet available for IA64.


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Re: Partitioning

2009-01-31 Thread Jerry Feldman

On 01/25/2009 02:02 PM, Kirk wrote:

I'm currently running only Fedora10. I installed it a few months ago.
I know very little about partitioning.

I'd like to setup partitions so I can install windowsXP and Ubuntu
to see what its like.  


The /dev/sda1 has the ext3 file system with 196.60 MiB (162.50 unused)
and the /dev/sda2 with 232.69 GiB (all unused), is listed as unknown.

Do I need to format an NTSF partition for windows, an ext2 for
Ubuntu, and a Swap for the Linux programs?  I suppose each is a
separate operation? Is there any particular order? And what should the
minimum size be for each partition.

I've installed GParted, but am afraid I'll screw it up.

I've been searching for answers in the forum & manuals but haven't been
able to find what I need.  Naturally, any links that would help me with
this would also be appreciated.
  
I'm coming in a bit late on this, but I would strongly suggest in your 
case to use virtualization. Let Fedora10 take up the entire system, then 
install one of the virtual machine managers (KVM/QEMU come with the 
distro), Sun's Virtualbox 2.1 http://www.virtualbox.org/ is also an 
excellent virtual machine manager, Xen works nicely and VMWare is the 
guy that started it all in Unix Space (although virtualization goes back 
at least to the 1960s). I've got KVM on my desktop with Windows Vista 
and Windows XP, and I've got Virtualbox 2.1 on my laptop with Windows 
XP.  Certainly you can multi-boot, but managing this can be a pain.


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Re: Printers

2009-01-25 Thread Jerry Feldman

On 01/25/2009 10:42 AM, Tom Horsley wrote:

New printers are actually often a better buy...



I remember buying a laser printer at Office Depot and the
printer was something like $100 and their web site listed
replacement toner cartridges at $116 :-). I'm assuming they
don't sell many replacement cartridges...

  
There are many online resources, such as the Ink Jet Superstore 
(http://www.inkjetsuperstore.com/) that sell both compatible as well as 
Original manufacturer cartridges for discounts. I have an HP Color 
Laserjet 4500N that I got free, but I needed to buy a couple of 
cartridges. I went to Ink Jet Superstore and bought compatibles for 
$39.00 apiece. I bought a couple of cartridges for the HP 4700DN at work 
also although the black print quality seems to be a bit low as that 
printer is showing some background lines, but that might be due to the 
transfer kit that is now needing replacement, so I don't think it is due 
to the compatible black cartridge.


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Re: Printers

2009-01-25 Thread Jerry Feldman

On 01/22/2009 03:57 PM, Alan Cox wrote:

In the USA maybe, it varies by country according to what the law allows
them to get away with.

New printers are actually often a better buy because its the best way
to get a new cartridge and components to [ab]use with an inkrefill kit a
few times until it clogs up.
  
My personal experience with Canon, HP, and Epson is that using 
non-proprietary ink can actually ruin the printer. Both my Canon and 
Epson had ink cartriges separate from the heads. After using cheap ink, 
the ink ended up dripping into the rollers and heads eventually causing 
problems. My one HP all-in-one worked fine for a number of years beyond 
its expected life. But, again, the math I did recently on cartridges 
shows a color laser printer to be much less costly per page (under $.02 
compared to over $.04) for an ink jet. But, there are other cost 
considerations.


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Re: How Do I Do This PGP/GPG Thing?

2009-01-24 Thread Jerry Feldman

On 01/19/2009 11:33 AM, Bill Davidsen wrote:

Jerry Feldman wrote:

On 01/17/2009 12:40 PM, Bruno Wolff III wrote:

On Sat, Jan 17, 2009 at 12:04:47 -0500,
  "Michael H. Warfield"  wrote:
 

Eventually, even these were forced to be relaxed for open source
software to the point where they have almost no real impact.  If you



I think again this was done to make a free speech argument challenging
the regulations moot so that they could still harrass companies when 
needed.


One other note is that the original version of PGP used the IDEA 
encryption
algorithm. This algorithm is covered by a patent for a couple of 
years yet.
So the supplied version of gpg in many distros is not going to be 
able to
handle stuff ecnrypted with the original gpg and some old keys. This 
probably

won't be a problem for you.

  
To make a long story short, some of the technology behind public key 
encryption is based on a patent owned by MIT and leased to RSA. The 
technology was developed by Ronald Rivest, Adi Shamir, and Leonard 
Adleman who were at MIT at the time although public key encryption 
was originally proposed at Stanford. There was a big battle waged 
between RSA and Phil Zimmerman, and during that time, MIT was able to 
open source some of the technology. I'm being very general, because 
that was the subject of last December's Boston Linux and Unix meeting 
which we hold at MIT each month.



AFAIK the patent expired last year...


Yes it did.

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Re: How Do I Do This PGP/GPG Thing?

2009-01-17 Thread Jerry Feldman

On 01/17/2009 12:40 PM, Bruno Wolff III wrote:

On Sat, Jan 17, 2009 at 12:04:47 -0500,
  "Michael H. Warfield"  wrote:
  

Eventually, even these were forced to be relaxed for open source
software to the point where they have almost no real impact.  If you



I think again this was done to make a free speech argument challenging
the regulations moot so that they could still harrass companies when needed.

One other note is that the original version of PGP used the IDEA encryption
algorithm. This algorithm is covered by a patent for a couple of years yet.
So the supplied version of gpg in many distros is not going to be able to
handle stuff ecnrypted with the original gpg and some old keys. This probably
won't be a problem for you.

  
To make a long story short, some of the technology behind public key 
encryption is based on a patent owned by MIT and leased to RSA. The 
technology was developed by Ronald Rivest, Adi Shamir, and Leonard 
Adleman who were at MIT at the time although public key encryption was 
originally proposed at Stanford. There was a big battle waged between 
RSA and Phil Zimmerman, and during that time, MIT was able to open 
source some of the technology. I'm being very general, because that was 
the subject of last December's Boston Linux and Unix meeting which we 
hold at MIT each month.


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Re: Flash player with Fedora 9

2009-01-05 Thread Jerry Ro
still not working... could it be something I misconfiguring in firefox?
thanks.

On Mon, Jan 5, 2009 at 9:19 PM, Ron Siven  wrote:

> Jerry Ro wrote:
>
>> Here it does, but firefox still does not load flash files.
>>
>> [r...@localhost jer]# yum install flash-plugin
>> Loaded plugins: refresh-packagekit
>> Setting up Install Process
>> Parsing package install arguments
>> Package flash-plugin-10.0.15.3-release.i386 already installed and latest
>> version
>> Nothing to do
>>
>>
>> On Mon, Jan 5, 2009 at 8:27 PM, Dave Feustel > dfeus...@mindspring.com>> wrote:
>>
>>On Mon, Jan 05, 2009 at 07:02:50PM -0600, Steven Stern wrote:
>>> On 01/05/2009 06:56 PM, Jerry Ro wrote:
>>> > hi,
>>> > did anyone manager to install a flash player on fedora 9 with
>>firefox?
>>> > I followed the exact instructions from fedora (when it told me
>>"install
>>> > flash driver") and downloaded an rpm they suggested, installed
>>it using
>>> > YUM, but it still won't work. (did it as root.)
>>> >
>>> > this is what happens when i try to run yum again on the
>>package (at
>>> > first it installed it, now after it is installed:)
>>> >
>>> > [r...@localhost jer]# yum install
>>adobe-release-i386-1.0-1.noarch.rpm
>>> > Loaded plugins: refresh-packagekit
>>> > updates-newkey   | 2.3 kB
>>> > 00:00
>>> > fedora   | 2.4 kB
>>> > 00:00
>>> > updates  | 2.6 kB
>>> > 00:00
>>> > adobe-linux-i386 |  951 B
>>> > 00:00
>>> > primary.xml.gz   |  10 kB
>>> > 00:00
>>> > adobe-linux-i386
>>  17/17
>>> > Setting up Install Process
>>> > Parsing package install arguments
>>> > Examining adobe-release-i386-1.0-1.noarch.rpm:
>>> > adobe-release-i386-1.0-1.noarch
>>> > adobe-release-i386-1.0-1.noarch.rpm: does not update installed
>>package.
>>> > Nothing to do
>>> >
>>> > which makes me believe it is installed.
>>> >
>>> > any ideas?
>>> >
>>> > thanks.
>>> >
>>> yum install flash-plugin
>>
>>Yum reports no flash-plugin
>>
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>>
>>  If you're running on 64-bit Fedora, you'll either have to use
> nspluginwrapper with the version you have installed, or run the 64-bit Alpha
> version of Flash Player.  You can download it from here:
>
>
> http://download.macromedia.com/pub/labs/flashplayer10/libflashplayer-10.0.d21.1.linux-x86_64.so.tar.gz
>
> And, extract it to /usr/lib64/mozilla/plugins/ by running
>
> cd /usr/lib64/mozilla/plugins/
> sudo tar xzvf libflashplayer-10.0.d21.1.linux-x86_64.so.tar.gz
>
>
> I have had a really good experience with the 64-bit version, and found the
> 32-bit player running under nspluginwrapper to be somewhat flaky.
>
>
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Re: Flash player with Fedora 9

2009-01-05 Thread Jerry Ro
Here it does, but firefox still does not load flash files.

[r...@localhost jer]# yum install flash-plugin
Loaded plugins: refresh-packagekit
Setting up Install Process
Parsing package install arguments
Package flash-plugin-10.0.15.3-release.i386 already installed and latest
version
Nothing to do


On Mon, Jan 5, 2009 at 8:27 PM, Dave Feustel wrote:

> On Mon, Jan 05, 2009 at 07:02:50PM -0600, Steven Stern wrote:
> > On 01/05/2009 06:56 PM, Jerry Ro wrote:
> > > hi,
> > > did anyone manager to install a flash player on fedora 9 with firefox?
> > > I followed the exact instructions from fedora (when it told me "install
> > > flash driver") and downloaded an rpm they suggested, installed it using
> > > YUM, but it still won't work. (did it as root.)
> > >
> > > this is what happens when i try to run yum again on the package (at
> > > first it installed it, now after it is installed:)
> > >
> > > [r...@localhost jer]# yum install adobe-release-i386-1.0-1.noarch.rpm
> > > Loaded plugins: refresh-packagekit
> > > updates-newkey   | 2.3 kB
> > > 00:00
> > > fedora   | 2.4 kB
> > > 00:00
> > > updates  | 2.6 kB
> > > 00:00
> > > adobe-linux-i386 |  951 B
> > > 00:00
> > > primary.xml.gz   |  10 kB
> > > 00:00
> > > adobe-linux-i386   17/17
> > > Setting up Install Process
> > > Parsing package install arguments
> > > Examining adobe-release-i386-1.0-1.noarch.rpm:
> > > adobe-release-i386-1.0-1.noarch
> > > adobe-release-i386-1.0-1.noarch.rpm: does not update installed package.
> > > Nothing to do
> > >
> > > which makes me believe it is installed.
> > >
> > > any ideas?
> > >
> > > thanks.
> > >
> > yum install flash-plugin
>
> Yum reports no flash-plugin
>
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Re: Flash player with Fedora 9

2009-01-05 Thread Jerry Ro
sorry, yes, the problem is that it still keeps the same error message,
asking me to install flash and gives me the link to the same rpm. I tried
using Steve's suggestion and install the flash plugin package the way he
said - still does not work.
thanks.

On Mon, Jan 5, 2009 at 8:01 PM,  wrote:

> Quoting Jerry Ro :
>
> > hi,
> > did anyone manager to install a flash player on fedora 9 with firefox?
> > I followed the exact instructions from fedora (when it told me "install
> > flash driver") and downloaded an rpm they suggested, installed it using
> YUM,
> > but it still won't work. (did it as root.)
> >
> > this is what happens when i try to run yum again on the package (at first
> it
> > installed it, now after it is installed:)
> >
> > [r...@localhost jer]# yum install adobe-release-i386-1.0-1.noarch.rpm
> > Loaded plugins: refresh-packagekit
> > updates-newkey   | 2.3 kB
> > 00:00
> > fedora   | 2.4 kB
> > 00:00
> > updates  | 2.6 kB
> > 00:00
> > adobe-linux-i386 |  951 B
> > 00:00
> > primary.xml.gz   |  10 kB
> > 00:00
> > adobe-linux-i386   17/17
> > Setting up Install Process
> > Parsing package install arguments
> > Examining adobe-release-i386-1.0-1.noarch.rpm:
> > adobe-release-i386-1.0-1.noarch
> > adobe-release-i386-1.0-1.noarch.rpm: does not update installed package.
> > Nothing to do
> >
> > which makes me believe it is installed.
> >
> > any ideas?
> >
> > thanks.
> >
>
> you don't say what the problem is. you say the computer says it is
> installed and
> you believe it is installed, so what? does it not play flash content?
>
> Dave
>
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Flash player with Fedora 9

2009-01-05 Thread Jerry Ro
hi,
did anyone manager to install a flash player on fedora 9 with firefox?
I followed the exact instructions from fedora (when it told me "install
flash driver") and downloaded an rpm they suggested, installed it using YUM,
but it still won't work. (did it as root.)

this is what happens when i try to run yum again on the package (at first it
installed it, now after it is installed:)

[r...@localhost jer]# yum install adobe-release-i386-1.0-1.noarch.rpm
Loaded plugins: refresh-packagekit
updates-newkey   | 2.3 kB
00:00
fedora   | 2.4 kB
00:00
updates  | 2.6 kB
00:00
adobe-linux-i386 |  951 B
00:00
primary.xml.gz   |  10 kB
00:00
adobe-linux-i386   17/17
Setting up Install Process
Parsing package install arguments
Examining adobe-release-i386-1.0-1.noarch.rpm:
adobe-release-i386-1.0-1.noarch
adobe-release-i386-1.0-1.noarch.rpm: does not update installed package.
Nothing to do

which makes me believe it is installed.

any ideas?

thanks.
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Re: Default route not set on boot up

2008-12-31 Thread Jerry Feldman

On 12/31/2008 01:47 PM, Charles Crayne wrote:

On Wed, 31 Dec 2008 12:49:32 -0500
Andrew Robinson  wrote:

  

After installing F10, when I power up my laptop, the default route
does not get set.



I had this problem as a symptom of the broken network configuration
tool.

  

I have a "GATEWAY=192.168.1.1" statement in both
the ifcfg-wlan0 file and the /etc/sysconfig/network file.



Check the NETMASK statement in those files.

  
There is a reported bug where netmask is set incorrectly. Check 
/etc/sysconfig/networking/devices/ifcfg-eth0 and correct the netmask 
manually, then restart the network and it should work/


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Re: RHEL4 to Fedora 9

2008-12-31 Thread Jerry Feldman

On 12/30/2008 11:42 AM, Irfan Malik wrote:


Hello,

 

Is there any simple way to upgrade to Fedora 9 from RHEL4? I don’t 
have machine access and have to upgrade remotely.


 



I would avoid this. I would possibly suggest you do a network install. 
You can install the isolinux tools in your /boot directory:

You can get these file from the isolinux directory on any F10 mirror.
http://mirrors.fedoraproject.org/publiclist/Fedora/10/
As an example:
http://mirror.web-ster.com/fedora/releases/10/Fedora/x86_64/os/isolinux/
The copy vmlinuz and initrd.img to /boot.

initrd.img-install
vmlinuz-install

The update your grup.conf:
title Installation
   root (hd0,0)
   kernel /vmlinuz-install
   initrd /initrd.img-install

You will need to enter the path to the mirror. Works great, and you 
don't need to create a CD or DVD.


Again, you are probably much better off doing a full install, not an 
upgrade since as you already know RHEL 4 is many releases removed.


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Re: HUP doesn't send to processes when logout

2008-12-29 Thread Jerry Feldman
On 12/29/2008 04:56 PM, 平天韩 wrote:
> 2008/12/30, Jerry Feldman :
>   
>> On 12/29/2008 10:05 AM, 平天韩 wrote:
>> 
>>> hi,
>>>
>>> It seems that when I logout from the console, the background process
>>> doesn't get HUP signal:
>>> { trap "echo Ignore HUP >>/tmp/trap.out" 1; while sleep 3;do echo
>>> hello >>/tmp/hello.txt;done; }&
>>> And it seems it will become a daemon and run forever until rebooting.
>>> Is this correct? Why it didn't get HUP signal?
>>>
>>> Thanks!
>>>
>>>
>>>   
>> Are you running this from a terminal window?
>> 
>
> I am running this in tty2, a console. I just type those into the
> console and run it, then logout.
>
>   
>> Are you possibly setting nohup in your environment.
>> 
>
> It seems it is. But how?
>
>   
>> Are you typing the above commands directly? What happens if you place
>> these into a script and run the script in the background?
>>
>> There are a number of things that can cause a shell script to ignore the
>> HUP signal. I tested this as a script on an Ubuntu laptop, and it
>> behaved the same as yours:
>>
>> The process remained. So the issue is not that exiting the parent
>> process (GNOME Term) or logging out of GNOME fails to issue a HUP, it is
>> that the process itself ignores the HUP signal since I sent a "kill -HUP
>> " to the process.
>>
>> If you simply send the HUP signal, you will see that "Ignore HUP" will
>> appear in /tmp/trap.out".
>>
>> 
> I have the same results with you.
>
>   
>> The signal(1) command is probably the culprit, though the man pages are
>> vague.
>>
>> 
> I suspect of that maybe the logout doesn't send out HUP to these
> background processes?
>   
After looking at this again now that I understand the specific issue. I
would agree.

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Re: help! can't login

2008-12-29 Thread Jerry Feldman

On 12/29/2008 01:56 PM, Don Raikes wrote:

Hi all,

I have fedora 10 installed on my gateway desktop.
It has been running fine for several weeks.

Over the weekend, I had ot reboot the system, and when the grub boot menu 
appears, the system just locks up.

I have no keyboard control, and cannot get the system to proceed at all.

There is only one entry in my menu.lst file, which is the same entry that has 
been there for a month now.

Any suggestions would be appreciated.


  
This has been discussed in previous threads. I assume that the system is 
not booting your kernel and GRUB gets as far as "GRUB".
In this case, the easiest thing to to is to reinstall grub. You can boot 
your installation media, and select update existing system. At some 
point, it will ask you about the boot loader. Select install new boot 
loader.  You should be able to live with this, but to be safe, once you 
boot successfully, you should probably reinstall GRUB just to get the 
latest version from the repository.


In my case I also found that I had duplicate entries in my 
/boot/grub/grub.conf, and the default boot was one of the older kernels, 
but I fixed that manually.


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Re: HUP doesn't send to processes when logout

2008-12-29 Thread Jerry Feldman

On 12/29/2008 10:05 AM, 平天韩 wrote:

hi,

It seems that when I logout from the console, the background process
doesn't get HUP signal:
{ trap "echo Ignore HUP >>/tmp/trap.out" 1; while sleep 3;do echo
hello >>/tmp/hello.txt;done; }&
And it seems it will become a daemon and run forever until rebooting.
Is this correct? Why it didn't get HUP signal?

Thanks!

  

Are you running this from a terminal window?
Are you possibly setting nohup in your environment.
Are you typing the above commands directly? What happens if you place 
these into a script and run the script in the background?


There are a number of things that can cause a shell script to ignore the 
HUP signal. I tested this as a script on an Ubuntu laptop, and it 
behaved the same as yours:


The process remained. So the issue is not that exiting the parent 
process (GNOME Term) or logging out of GNOME fails to issue a HUP, it is 
that the process itself ignores the HUP signal since I sent a "kill -HUP 
" to the process.


If you simply send the HUP signal, you will see that "Ignore HUP" will 
appear in /tmp/trap.out".


The signal(1) command is probably the culprit, though the man pages are 
vague.


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Re: Fedora 10 ctf-alt-F2

2008-12-23 Thread Jerry Feldman

On 12/23/2008 02:50 PM, Don Levey wrote:

Jeff Spaleta wrote:
  

On Tue, Dec 23, 2008 at 9:53 AM, Don Levey  wrote:


This means that I must always have at least one Gnome session active,
and I must use that as my control session.  It also seems that there's a
"mixed metaphor" in that the first X session is F1 but the rest start at
F7.
  

Its only a mixed metaphor in that you are relying on keyboard
shortcuts which encode specific virtual terminals to specific key
mappings. This metaphor breaks down quickly once you start doing
anything dynamic. Have 3 or 4 fast user switching users log in and
logout in varying orders and even if the the X sessions were mapped to
high ttys they would not be in a consistent ordering as users bounce
on and off the system.  Its quite analogous to how me moved from fixed
block device naming to udev dynamic block device creation.

Don't be shocked if we move into a future where the 5 or 6 mingetty's
we start by default now are also started dynamically in the future and
are given the next available tty instead of being on tty2-tt6 from
boot up.

-jef




That makes sense, I guess - this part of the question was relatively
minor anyway.  What I'd really like is to find a way to do all this
without the Gnome session requirement.

  

Don,
I don't recall fro the thread, but what Display Manager are you using. 
Does it make a difference if you are running kdm or gdm?


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Re: backup of my / filesystem

2008-12-23 Thread Jerry Feldman

On 12/22/2008 04:28 PM, Patrick O'Callaghan wrote:



I wouldn't use dd for backups unless you wanted to restore an exact
bit-by-bit image of an entire filesystem.

I've found rsync to be very effective, with the important advantage
that you can run the backup several times and it will only copy what
changed between one copy and the next. The rsync man page gives
several examples of this. You might also be interested in rsnapshot,
which basically wraps crontab scripts around rsync and can keep
multiple time-related snapshots without wasting disk space.

poc

  
I backup our system at work (500GB) using rsync. Our New York office 
runs rsync against my backup volume. Over the years I have found rsync 
to be a very reliable tool.


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