Re: Progress on getting my desktop working properly

[Marko Vojinovic]

On Sunday 18 December 2011 20:00:25 Joe Zeff wrote:
> I've cleaned up all of the problems reported by package-cleanup.
> Checking for dupes reported over 1400 duplicate packages; but telling it
> to clean them hung the program.  I've spent the last several days
> hacking away at this, little by little until I got down to about 1025 or
> so, and tried again.  This time, it worked, although there were some
> non-fatal errors in the post uninstall scripts.  Checking again, there
> are no more dupes, no more problems.  I'm about to try a system update
> via yumex and see what happens.

Looking back at the amount of time and work you spent on it, wouldn't it have 
been easier to just backup&wipe&cleaninstall F16 instead? :-)

But OTOH hey, congratulations for persistance and beating the machine into 
submission... ;-)

> I suspect that I'm going to have to reboot, and will try rebooting to a
> full graphic environment, using kdm instead of gdm.  If this fails and I
> have to reboot to runlevel 3, what logs can I use to find out what isn't
> working?

The main X log is in /var/log/Xorg.0.log (but IIRC that one was showing X to 
start normally).

The KDM log is in /var/log/kdm.log, and the GDM log should be somewhere inside 
/var/log/gdm/ (I don't use GDM so I don't have any logfile to check).

Also, other informative logs are the /home/yourusername/.xsession-errors* 
files. They are usually full of errors even in a successful X session... ;-)

Finally, there is /var/log/messages to search through, if all else fails.

IIRC, once in runlevel 3, you can successfully startx, right? If yes, then 
AFAIK the only place where a problem can be in runlevel 5 is the gdm greeter. 
;-)

HTH, :-)
Marko


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Re: Missing icon from KDE System Tray

[g]

On 12/19/2011 04:58 AM, Ed Greshko wrote:
<>

> I think maybe I didn't make it clear in the original post.  The "IBus
> Panel" *is* in the systray.  It even shows in the "System Tray Settings"
> under "Entries".  I even marked it "Always Visible".  I can click in the
> area occupied by the IBus Panel and change the input method. 
> 
> FYI, there is no "IBus Panel" application in the menu since it isn't an
> "application".
-=-

ok.

if you will, please excuse my confusion, nor do i wish to bug you.

i am not under fedora at this time, i am under sl5.4. so i am not looking
at a kde4.x desktop, i am looking at a kde3 desktop. a lot of difference.

therefore, i can only go by what i am seeing.

does kde4 system tray have a 'configure system tray' selection or any
similar that shows what applications can be added to tray. if so, does
'IBus Panel' show with an icon?

are there any configurations that allow hiding?


in following threads for f15/f16, i am trying to learn about f15/f16
and kde4 for when i get into upgrading over next couple weeks.

so, please excuse my suggestions and questions.


would you like me to go away and leave you alone? :-(

-- 

peace out.

tc.hago,

g
.

*please reply "plain text" only. "html text" are deleted*


in a free world without fences, who needs gates.
**
help microsoft stamp out piracy - give linux to a friend today.
**
to mess up a linux box, you need to work at it.
to mess up an ms windows box, you just need to *look* at it.
**
The installation instructions stated to install Windows 2000 or better.
So I installed Linux.
**
learn linux:
'Rute User's Tutorial and Exposition' http://rute.2038bug.com/index.html
'The Linux Documentation Project' http://www.tldp.org/
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Re: Missing icon from KDE System Tray

[Ed Greshko]

On 12/19/2011 12:17 PM, g wrote:
> On 12/19/2011 03:54 AM, g wrote:
>> On 12/18/2011 01:11 PM, Ed Greshko wrote:
> <>
>
>>> Anyone have an idea as to how to troubleshoot this?
>> -=-
>>
>> swag...
>>
>> you do not have icon defined for application in f16 that you had defined
>> in f15, therefore no icon is displayed.
>>
>> to remedy, define an available icon for application.
> *more swag*
>
> open menu editor, look to see if application setup shows an icon. if not,
> click blank icon square, search for applications icon and select it to
> assign it.
>
> next, check to see if;
>
>   [X] Place in system tray
>
> is checked. if not, check it, close editor.
>
> activate task bar to see if icon appears. if there, great. if not,
> move cursor to where 'blank' icon is in system tray, right click and
> select 'Quit' to remove from tray.
>
> from menu, select application, icon should return to system tray.
>
>

I think maybe I didn't make it clear in the original post.  The "IBus
Panel" *is* in the systray.  It even shows in the "System Tray Settings"
under "Entries".  I even marked it "Always Visible".  I can click in the
area occupied by the IBus Panel and change the input method. 

FYI, there is no "IBus Panel" application in the menu since it isn't an
"application".


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Re: zsh: bad option, bash works

[Zind]

I did consult the manual of zsh and bash.
But I didn't realize that command 'type' is implemented within the shell.
I thought maybe something is missing in the zsh manual of command 'type'.

On Mon, Dec 19, 2011 at 6:11 AM, Cameron Simpson  wrote:

> On 18Dec2011 22:51, Zind  wrote:
> | Thanks a trillion.   :-)
>
> Did you consult the manual? "man "zshbuiltins" says:
>
>   type [ -wfpams ] name ...
>  Equivalent to whence -v.
>
>   whence [ -vcwfpams ] name ...
>  For each name, indicate how it would be interpreted if used as
>  a command name.
>
>  -v Produce a more verbose report.
>
>  -c Print  the  results  in  a  csh-like  format.  This
> takes precedence over -v.
>
>  -w For each name, print `name: word' where word  is one
>  of
> alias,  builtin,  command,  function, hashed, reserved
> or none, according  as  name  corresponds  to  an
> alias,
> a built-in  command, an external command, a shell
> function, a command defined with the hash builtin, a
> reserved word, or  is not recognised.  This takes
> precedence over -v and -c.
>
>  -f Causes the contents of a shell function to be
> displayed, which  would otherwise not happen unless the
> -c flag were used.
>
>  -p Do a path search  for  name  even  if  it  is  an
> alias, reserved word, shell function or builtin.
>
>  -a Do  a  search  for all occurrences of name throughout
> the command path.  Normally  only  the  first
> occurrence
> is printed.
>  -m The  arguments  are taken as patterns (should be
> quoted), and the information is displayed for each
> command match- ing one of these patterns.
>
>  -s If  a  pathname contains symlinks, print the
> symlink-free
> pathname as well.
>
> That may cover your needs anyway. (I'm a zsh user and only use bash
> when I have too.)
>
> Cheers,
> --
> Cameron Simpson  DoD#743
> http://www.cskk.ezoshosting.com/cs/
>
> It is better never to have been born. But who among us has such luck?
> --
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Re: Missing icon from KDE System Tray

[g]

On 12/19/2011 03:54 AM, g wrote:
> On 12/18/2011 01:11 PM, Ed Greshko wrote:
<>

>> Anyone have an idea as to how to troubleshoot this?
> -=-
> 
> swag...
> 
> you do not have icon defined for application in f16 that you had defined
> in f15, therefore no icon is displayed.
> 
> to remedy, define an available icon for application.

*more swag*

open menu editor, look to see if application setup shows an icon. if not,
click blank icon square, search for applications icon and select it to
assign it.

next, check to see if;

  [X] Place in system tray

is checked. if not, check it, close editor.

activate task bar to see if icon appears. if there, great. if not,
move cursor to where 'blank' icon is in system tray, right click and
select 'Quit' to remove from tray.

from menu, select application, icon should return to system tray.

hth2.
-- 

peace out.

tc.hago,

g
.

*please reply "plain text" only. "html text" are deleted*


in a free world without fences, who needs gates.
**
help microsoft stamp out piracy - give linux to a friend today.
**
to mess up a linux box, you need to work at it.
to mess up an ms windows box, you just need to *look* at it.
**
The installation instructions stated to install Windows 2000 or better.
So I installed Linux.
**
learn linux:
'Rute User's Tutorial and Exposition' http://rute.2038bug.com/index.html
'The Linux Documentation Project' http://www.tldp.org/
'LDP HOWTO-index' http://www.tldp.org/HOWTO/HOWTO-INDEX/index.html
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Re: Missing icon from KDE System Tray

[Ed Greshko]

On 12/19/2011 11:54 AM, g wrote:
>> Anyone have an idea as to how to troubleshoot this?
> -=-
>
> swag...
>
> you do not have icon defined for application in f16 that you had defined
> in f15, therefore no icon is displayed.
>
> to remedy, define an available icon for application.

I never had to define anything  Enabling ibus was sufficient.

I've since found that the problem is not unique to the older user.  A
newly created users shows the same behavior.  Time to consult bugzilla.

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Progress on getting my desktop working properly

[Joe Zeff]

I've cleaned up all of the problems reported by package-cleanup. 
Checking for dupes reported over 1400 duplicate packages; but telling it 
to clean them hung the program.  I've spent the last several days 
hacking away at this, little by little until I got down to about 1025 or 
so, and tried again.  This time, it worked, although there were some 
non-fatal errors in the post uninstall scripts.  Checking again, there 
are no more dupes, no more problems.  I'm about to try a system update 
via yumex and see what happens.


I suspect that I'm going to have to reboot, and will try rebooting to a 
full graphic environment, using kdm instead of gdm.  If this fails and I 
have to reboot to runlevel 3, what logs can I use to find out what isn't 
working?

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Re: Missing icon from KDE System Tray

[g]

On 12/18/2011 01:11 PM, Ed Greshko wrote:
> If you happen to catch it, you'd know that my F15 system crashed and
> burned due to a disk gone bad.
-=-

sure did. :-(

glad to see you are back up. :-)


> So, I installed a fresh F16 system and fully updated it while preserving
> /home.  Everything seems back to normal...still have some applications
> that need installing...but I have one problem.
> 
> I use the IBus input method in order to input in languages other than
> English.  Well the small keyboard icon isn't showing up on the KDE
> System Tray.  There is a "space" for it, an if I hover my mouse over
> that area I will get "IBus input method framework" displayed and I can
> use my mouse to change the input method.  I can change the input method
> using the keyboard, but there isn't a corresponding icon change to show
> which input method is active.  That makes it a bit annoying as I have to
> use trial and error to get from Japanese input to Chinese, whatever.
> 

> Anyone have an idea as to how to troubleshoot this?
-=-

swag...

you do not have icon defined for application in f16 that you had defined
in f15, therefore no icon is displayed.

to remedy, define an available icon for application.


hth.
-- 

peace out.

tc.hago,

g
.

*please reply "plain text" only. "html text" are deleted*


in a free world without fences, who needs gates.
**
help microsoft stamp out piracy - give linux to a friend today.
**
to mess up a linux box, you need to work at it.
to mess up an ms windows box, you just need to *look* at it.
**
The installation instructions stated to install Windows 2000 or better.
So I installed Linux.
**
learn linux:
'Rute User's Tutorial and Exposition' http://rute.2038bug.com/index.html
'The Linux Documentation Project' http://www.tldp.org/
'LDP HOWTO-index' http://www.tldp.org/HOWTO/HOWTO-INDEX/index.html
'HowtoForge' http://howtoforge.com/




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Re: [RESOLVED] Re: Recovering Journal - How Long?

[Tom Horsley]

On Sun, 18 Dec 2011 14:45:18 -0800
Daniel B. Thurman wrote:

> The key here is, dead chickens/popes cannot breathe
> life into the drive because it (chicken/pope) is dead,
> but don't take my word for it, do your own homework
> and at your own risk.

Actually, I've seen a desperation move work: Put the drive
in the freezer for a few hours - it just might work long
enough while at low temperature to get some critical files
off it (this has really worked at least once or twice
that I know of).

And what the heck, if it doesn't work, you aren't any worse
off anyway.
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Re: gnome-terminal not working

[Cameron Simpson]

On 08Dec2011 12:01, Vishnupradeep  wrote:
| Installed gnome-terminal.x86_64 0:3.2.1-2.fc16 in fedora 16. But i can't
| start it. An error occurs or nothing happens when opened. I am unable to
| send the error details now, because nothing happens now when i tried to
| execute. Tried re-installing gnome-terminal using the following command
| 
| *sudo yum reinstall gnome-terminal*
| 
| i have terminator installed so i am able to execute commands.

Can you open another terminal (eg an xterm, aterm, urxvt, rxvt etc)?
Then issue the command:

  gnome-terminal

in the other terminal and report the error messages.

If it is missing libraries you may be able to avoid another terminal;
just return to the text console instead of X11 and run "gnome-terminal"
and see how it complains.

Cheers,
-- 
Cameron Simpson  DoD#743
http://www.cskk.ezoshosting.com/cs/

There's two kinds of climbers...smart ones, and dead ones.  - Don Whillans
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Re: [RESOLVED] Re: Recovering Journal - How Long?

[Daniel B. Thurman]

On 12/18/2011 01:02 PM, Joe Zeff wrote:
> On 12/18/2011 12:37 PM, Ed Greshko wrote:
>> As for singing frarajoka backwards, our ceremony usually included
>> swinging a dead chicken.
>
> People wonder why we wave dead chickens over equipment when it doesn't
> work.  My explanation is that we do it because once in a great while,
> it works, and it doesn't do any harm when it doesn't.
>
> Considering your experience, I'm sure you're aware that getting a SCSI
> chain to work needed three terminations: one at each end, and the goat
> you sacrificed to get the thing up and running.  And always use
> *black* candles.
I have never tried it, I but heard it through the
grapevine that if one can get a chicken do a
shaman dance on top of your 5+ yr old drive,
all drive sectors are miraculously renewed?

If this does not work, take the drive to Stonehenge
and place the drive in the centre, so that the chicken
can induce the proper resonance frequency in order
to breathe new life into the drive?

If this does not work, take the drive to the pope and
ask that he bless the drive with smoke on the (holy)
water or to exorcise the devil out.

The key here is, dead chickens/popes cannot breathe
life into the drive because it (chicken/pope) is dead,
but don't take my word for it, do your own homework
and at your own risk.

If the drive is still under warantee, the Wizard of Oz
drive manufacturer will ship you a refurbished drive,
fully restored by chicken, Stonehenge, and/or pope
and can save you time and money in the long run.

Standard disclaimers apply...

Hope this helps...

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Re: zsh: bad option, bash works

[Cameron Simpson]

On 18Dec2011 22:51, Zind  wrote:
| Thanks a trillion.   :-)

Did you consult the manual? "man "zshbuiltins" says:

   type [ -wfpams ] name ...
  Equivalent to whence -v.

   whence [ -vcwfpams ] name ...
  For each name, indicate how it would be interpreted if used as
  a command name.

  -v Produce a more verbose report.

  -c Print  the  results  in  a  csh-like  format.  This
 takes precedence over -v.

  -w For each name, print `name: word' where word  is one  of
 alias,  builtin,  command,  function, hashed, reserved
 or none, according  as  name  corresponds  to  an alias,
 a built-in  command, an external command, a shell
 function, a command defined with the hash builtin, a
 reserved word, or  is not recognised.  This takes
 precedence over -v and -c.

  -f Causes the contents of a shell function to be
 displayed, which  would otherwise not happen unless the
 -c flag were used.

  -p Do a path search  for  name  even  if  it  is  an
 alias, reserved word, shell function or builtin.

  -a Do  a  search  for all occurrences of name throughout
 the command path.  Normally  only  the  first occurrence
 is printed.
  -m The  arguments  are taken as patterns (should be
 quoted), and the information is displayed for each
 command match- ing one of these patterns.

  -s If  a  pathname contains symlinks, print the symlink-free
 pathname as well.

That may cover your needs anyway. (I'm a zsh user and only use bash
when I have too.)

Cheers,
-- 
Cameron Simpson  DoD#743
http://www.cskk.ezoshosting.com/cs/

It is better never to have been born. But who among us has such luck?
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Re: process /usr/bin/virtuoso-t killed by signal 11

[Rex Dieter]

CS DBA wrote:

> Hi all;
> 
> I get this error every time I login, Fedora 15 x86_64, using KDE & kdm.
> 
> process /usr/bin/virtuoso-t killed by signal 11

Your nepomuk database is likely corrupted somehow.

If you have no essential nepomuk metadata (if you don't know, then the 
answer is no. :) ), then I'd recommend you backup/remove the db and start 
over.

first: systemsettings->desktop search , and uncheck "enable nepomuk..."
then:  backup/delete:  ~/.kde/share/apps/nepomuk/
last:  systemsettings->desktop search , check "enable nepomuk..."

-- rex

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Re: [RESOLVED] Re: Recovering Journal - How Long?

[Joe Zeff]

On 12/18/2011 12:37 PM, Ed Greshko wrote:

As for singing frarajoka backwards, our ceremony usually included
swinging a dead chicken.


People wonder why we wave dead chickens over equipment when it doesn't 
work.  My explanation is that we do it because once in a great while, it 
works, and it doesn't do any harm when it doesn't.


Considering your experience, I'm sure you're aware that getting a SCSI 
chain to work needed three terminations: one at each end, and the goat 
you sacrificed to get the thing up and running.  And always use *black* 
candles.

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Re: Recovering Journal - How Long?

[Ed Greshko]

On 12/19/2011 03:33 AM, Linda McLeod wrote:
> From what I've experienced, I figure the only way to properly prep a hd
> for a new install, is to "DBAN Autonuke" the hd..  (Caution to not leave
> any game or flash drives in the box)...  Then unplug the tower and
> net-cable, and pull the battery for about 5 minutes...  That should
> clean-out all the sticky monkey-poo...

I've never had any issues remotely resembling "S.M-P".
>
> Is there an accessory, "view inside a partition"..?

The drive was completely friedunable to read a single bit.

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Re: [RESOLVED] Re: Recovering Journal - How Long?

[Ed Greshko]

On 12/19/2011 04:14 AM, Linda McLeod wrote:
> If hd is toast.. it can't hurt to tap it hard a few times, in the right
> ways...
>
> You can lightly tap it while it's trying to boot..?
>
> Off the top.. Why not install the hd upside-down, and try it..?
>
> Or freeze it with freeze spray, but not so much so as to cause snow and
> ice to form on cct brds..?
>
> Recite a hard-drive repair-prayer to one of your pretend gods..?
>
> If pops were still alive he'd probably suggest, "do a dance on one foot,
> whilst holding the other foot high, in the right hand, whilst singing
> frarajoka backwards in tenor"..  but you can't ever believe anything
> pops said...
>
> Off the top, Why not open the box, and check that all wire connectors
> are properly mated..?
>
> Last idea says the hd has developed bad sectors..   
> Me thinks there's software to rewrite onto good sectors what's on bad
> ones..?
>

Thanks for all your suggestions.  I've been in computer hardware since
1974 and indeed, tried much of what you suggested. 

As for singing frarajoka backwards, our ceremony usually included
swinging a dead chicken.  But, seriously , we did have a few dedications
during installations involving dead pigs.

If it were only a single sector, or a group of sectors, that would have
been nice.  I guess the good news is that the 5 year warranty was still
valid.  But, it had to be sent to the manufacture for a replacement and
that will take a few days.  Didn't want to waitbut at least I'll
have a spare.
 
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Re: [RESOLVED] Re: Recovering Journal - How Long?

[Joe Zeff]

On 12/18/2011 12:14 PM, Linda McLeod wrote:

Recite a hard-drive repair-prayer to one of your pretend gods..?


Or, for that matter, a prayer to a real god might work.  Unless, of 
course, you pick one who doesn't do major favors for J. Random Believer 
because he/she/it expects you to solve your own problems instead of 
expecting divine intervention to make your life easy.

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Re: F16 unusable while writing to pendrive

[Joe Zeff]

On 12/18/2011 11:56 AM, Patrick O'Callaghan wrote:

Nevertheless it happens and appears to affect other people as well.
Which makes it a subtle bug to find, unfortunately.


The OP should open a BZ report, with as much hardware detail as possible 
and post a link here.  Then, you can add a comment, with your hardware 
details so that whoever works on it can compare the two and possibly 
find out what makes such a difference.

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Re: F16 unusable while writing to pendrive

[Joe Zeff]

On 12/18/2011 11:54 AM, Patrick O'Callaghan wrote:

I taught Unix filesystem fundamentals for years and I have no idea what
you're getting at. Just saying. If you want to be more specific perhaps
we can talk.


The link I gave has a rather simplistic explanation.  I used to have a 
link to a more detailed one but couldn't find it.  If I do, I'll post 
it.  The basic idea is that AIUI, instead of jamming files one right 
next to the other, Linux spreads them out all over the partition with 
room between them whenever possible.  That allows files to grow as 
needed with the least chance of fragmenting.

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[RESOLVED] Re: Recovering Journal - How Long?

[Linda McLeod]

If hd is toast.. it can't hurt to tap it hard a few times, in the right
ways...

You can lightly tap it while it's trying to boot..?

Off the top.. Why not install the hd upside-down, and try it..?

Or freeze it with freeze spray, but not so much so as to cause snow and
ice to form on cct brds..?

Recite a hard-drive repair-prayer to one of your pretend gods..?

If pops were still alive he'd probably suggest, "do a dance on one foot,
whilst holding the other foot high, in the right hand, whilst singing
frarajoka backwards in tenor"..  but you can't ever believe anything
pops said...

Off the top, Why not open the box, and check that all wire connectors
are properly mated..?

Last idea says the hd has developed bad sectors..   
Me thinks there's software to rewrite onto good sectors what's on bad
ones..?







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Re: F16 unusable while writing to pendrive

[Patrick O'Callaghan]

On Sun, 2011-12-18 at 19:55 +0100, Heinz Diehl wrote:
> On 18.12.2011, Patrick O'Callaghan wrote: 
> 
> > This looks like a regression. Under F15 when I wrote large files to a
> > pendrive, the system would become a little sluggish. Now it essentially
> > freezes until the write terminates. What I mean is that the UI is almost
> > completely unresponsive; even clicking between two terminal windows is
> > so slow that you can see the window contents refresh, followed several
> > seconds later by the frame.
> 
> I can't confirm the behaviour you are describing here in any way. I
> can write as much as I like to all of my pendrives, and my system is
> responsive as always. I do not even notice that something gets written
> to a pendrive in the background while doing other things.
> 
> F16, updatet via "distro-sync" to F16. Kernel 3.1.5 (vanilla from
> kernel.org, with 2 totally unrelated patches).

Nevertheless it happens and appears to affect other people as well.
Which makes it a subtle bug to find, unfortunately.

poc

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Re: F16 unusable while writing to pendrive

[Patrick O'Callaghan]

On Sun, 2011-12-18 at 10:45 -0800, Joe Zeff wrote:
> On 12/18/2011 01:17 AM, Fernando Cassia wrote:
> > Is that what you are saying?.
> 
> Did you follow the link I gave?  It's what the explanation there 
> implies.  However, I'm guessing that the system only knows how big your 
> first write is, not how big the file's going to get, partially because 
> the program itself may not know this.

The system knows absolutely nothing except what you tell it. The file is
created with only the most basic attributes, including ownership and
permissions. It occupies no space other than a directory entry, and
everything from then on has to be added explicitly.

> And, instead of going to the 
> beginning of the area allocated, it goes roughly to the middle, to leave 
> room for the preceding file to grow as well as room in case you want to 
> add something to the head of the file.

I taught Unix filesystem fundamentals for years and I have no idea what
you're getting at. Just saying. If you want to be more specific perhaps
we can talk.

poc

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Re: RAID disk failure

[Sam Varshavchik]

Jeffrey Ross writes:


   Device Boot  Start End  Blocks   Id  System
/dev/sdb1   *  63  787184  393561   fd  Linux raid autodetect
/dev/sdb2  787185    16418429 7815622+  fd  Linux raid autodetect
/dev/sdb3    16418430    24418799 4000185   fd  Linux raid autodetect
/dev/sdb4    24418800  1953520064   964550632+   5  Extended
/dev/sdb5    24418863    40050044 7815591   fd  Linux raid autodetect
/dev/sdb6    40050108    55665224 7807558+  fd  Linux raid autodetect
/dev/sdb7    55665288  1953520064   948927388+  fd  Linux raid autodetect

Bingo, mine start at 63, probably a hold over from previous installs.

ok, sdb1 is /boot, and I'm currently using 81 meg out of 372 meg and if I'm  
doing my math right I should be able to easily shrink /boot by another 1985  
blocks (roughly 1MB) or so.


Based upon what you've given me, I suspect I can simply fail /dev/md1 (sda1  
sdb1) resize it on the sda1 disk, copy everything across via cpio, install  
the new bootloader on /dev/sda, once it comes up I can then resize /dev/sdb1  
re-add the partition to RAID and run the grub2-install command.


The problem here is that the kernel will NOT reread an updated partition  
table, if anything is still using any partition. This includes your active  
md arrays that are already on sda.


You will have to fail and remove all your arrays from sda, before you can  
screw around with its partition table. fdisk will let you do it, and write  
the updated partition table, but the kernel will refuse to reread the  
partition table, and use it, if any partition is active on that disk.


Furthermore, I would not chance a reboot with different versions of /boot on  
two disks.


If I'm on a UPS and don't have to worry about power, I would do the  
following (since I've already done this two times already, for similar  
reasons):


Make a back up of /boot, in case something happens.

Unmount /boot, fsck it, and use resize2fs to shrink it down to about 30%  
less than its projected smaller size (so as to not to waste any time on all  
the mega/mibi drivel). Then, use mdadm --grow to reduce the size of the  
/boot md unit to about 15% less than the projected smaller size of the new  
/boot. This needs to be done now, while the md array is still synced. mdadm  
--grow won't work if the array is degraded.


Double check that md says that everything is still fully synced, maybe mount  
/boot and verify that it still looks kosher.


Fail all partitions on sda, to release all the kernel locks on the partition  
table. Delete and recreate a smaller sda1.


Run mdadm --zero-superblock on all sda partitions, then add them back to  
their original arrays, and let the kernel fully resync everything. --zero- 
superblock will ensure that everything is fully sync. mdadm will accept the  
smaller sda1 back into its original array, because it's still larger than  
the reduced logical size of the array.


At this point, when I went through this, I repeated the the whole thing,  
this time failing everything on sdb, because I wanted to have sdb's  
partition table match sda's. But that's not strictly necessary. But it's a  
good idea, since you will also be able to install grub on sdb, if needed,  
and swap it in for sda, and boot off it.


Finally, unmount /boot, if it's still mounted, run mdadm --grow to let mdadm  
grow the logical array back up to the maximum size of the smallest partition  
in the array, then use resize2fs to bring the size of the /boot filesystem  
back up to the size of the logical array it lives on.




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Re: Recovering Journal - How Long?

[Linda McLeod]

Way back in my Ubuntu days, after a gruelling "window's winter in hell",
there was a Linux program that would show you the junk that's on the
hd...  
After the lengthy scan, one can click-open several found stale deleted
files...   If you can open it in bits, you can probably copy it...


From what I've experienced, I figure the only way to properly prep a hd
for a new install, is to "DBAN Autonuke" the hd..  (Caution to not leave
any game or flash drives in the box)...  Then unplug the tower and
net-cable, and pull the battery for about 5 minutes...  That should
clean-out all the sticky monkey-poo...

Is there an accessory, "view inside a partition"..?

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Re: Getting a list of applications and packages on my Fedora machine !? -- Just a comment.

[William Case]

On Sun, 2011-12-18 at 13:01 -0500, Genes MailLists wrote:
> > 
> 
>   I guess groups are a purely an initial install convenience and offer
> no advantages beyond that - in which case if one wants to ensure that an
> install has all packages of a previous install - then simply ignoring
> groups and doing
> 
>   yum list installed | (clever script or human) > fixinstall.sh
> 
>   on older fedora, and copying it to new fedora install
> 
>  will allow one to run fixinstall.sh on the nand install any missed
> packages.
> 
>   This is what i've done for years ... groups could have shortened the
> script I suppose but they aren't important.
> 
>  gene

I will try both your suggestion and Tom Horsley's.  Haven gotten a list
of what is installed currently I want to edit it to not only add new
applications but, since I like to experiment, remove applications that I
have decided I do not want to renew.

Thanks everyone!

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Evo.3.0.2, Emacs 23.2.1

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Re: F16 unusable while writing to pendrive

[Heinz Diehl]

On 18.12.2011, Patrick O'Callaghan wrote: 

> This looks like a regression. Under F15 when I wrote large files to a
> pendrive, the system would become a little sluggish. Now it essentially
> freezes until the write terminates. What I mean is that the UI is almost
> completely unresponsive; even clicking between two terminal windows is
> so slow that you can see the window contents refresh, followed several
> seconds later by the frame.

I can't confirm the behaviour you are describing here in any way. I
can write as much as I like to all of my pendrives, and my system is
responsive as always. I do not even notice that something gets written
to a pendrive in the background while doing other things.

F16, updatet via "distro-sync" to F16. Kernel 3.1.5 (vanilla from
kernel.org, with 2 totally unrelated patches).

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Re: F16 unusable while writing to pendrive

[Joe Zeff]

On 12/18/2011 01:17 AM, Fernando Cassia wrote:

Is that what you are saying?.


Did you follow the link I gave?  It's what the explanation there 
implies.  However, I'm guessing that the system only knows how big your 
first write is, not how big the file's going to get, partially because 
the program itself may not know this.  And, instead of going to the 
beginning of the area allocated, it goes roughly to the middle, to leave 
room for the preceding file to grow as well as room in case you want to 
add something to the head of the file.  It's not perfect, and files can 
still fragment, but the probability is that it won't happen anywhere 
near as often as it does under Windows.

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Re: RAID disk failure

[Jeffrey Ross]

On 12/18/2011 12:51 PM, Sam Varshavchik wrote:

Jeffrey Ross writes:

It finally happened I had a disk failure in my RAID-1 system, I got a 
message from SMART telling me that I had a drive failing and  and 
checked the mdstat and sure enough /dev/sda was missing/failed.


Ok, drive has been replaced and I did the following:

1) recreated the partition table with "sfdisk -d /dev/sdb | sfdisk 
/dev/sda"
2) re-added the partitions back to the raid system (eg mdadm --add 
/dev/md1 /dev/sda1  etc...)
3) recreated the boot sector on the new drive  ***WAIT*** ran into an 
issue


The system was upgraded (via yum) from 14 to 15 to now 16 so I had 
grub, not grub2 on the system, previously it was a simple 
"grub-install /dev/sdX"


since grub has been replaced with grub2 I tried:

# grub2-install /dev/sda
/sbin/grub2-setup: warn: Your core.img is unusually large.  It won't 
fit in the embedding area..
/sbin/grub2-setup: error: embedding is not possible, but this is 
required for cross-disk install.


so that didin't work, I'm doing something wrong, suggestions?


Carefully review the existing partition layout on what I presume is 
your good disk, /dev/sdb, and compare it with your recreated partition 
table on /dev/sda.


Hopefully, on /dev/sdb, your first partition starts on sector 2048, 
and not sector 63. You probably partitioned your new /dev/sda with the 
first partition starting on sector 63, which does not leave enough 
room to install grub. You'll have to start over. Fail and drop all 
your sda partitions on of all your md arrays. Create a new partition 
table on sda, recreating the partitions exactly how they are on sdb, 
starting with sector 2048, matching the start and the end of each 
partition, on sda, exactly how they exist on sdb. Then you'll be able 
to install grub.


If your sdb partitions start on sector 63, and you have no room to fit 
them on sda starting at sector 2048, you'll have to recreate all but 
your smallest partition on sda, then add and sync them to your array.


For the smallest partition, create it on sda making it as big as it 
can be. Create a new md array for it on sda, with just one unit. I 
believe you should be able to format it and mount it, even though its 
degraded. Then you can manually copy over the contents from sdb, then 
drop the array on sdb, and add its partition to the replacement md 
array on sda.





   Device Boot  Start End  Blocks   Id  System
/dev/sdb1   *  63  787184  393561   fd  Linux raid 
autodetect
/dev/sdb2  78718516418429 7815622+  fd  Linux raid 
autodetect
/dev/sdb31641843024418799 4000185   fd  Linux raid 
autodetect

/dev/sdb424418800  1953520064   964550632+   5  Extended
/dev/sdb52441886340050044 7815591   fd  Linux raid 
autodetect
/dev/sdb64005010855665224 7807558+  fd  Linux raid 
autodetect
/dev/sdb755665288  1953520064   948927388+  fd  Linux raid 
autodetect


Bingo, mine start at 63, probably a hold over from previous installs.

ok, sdb1 is /boot, and I'm currently using 81 meg out of 372 meg and if 
I'm doing my math right I should be able to easily shrink /boot by 
another 1985 blocks (roughly 1MB) or so.


Based upon what you've given me, I suspect I can simply fail /dev/md1 
(sda1 sdb1) resize it on the sda1 disk, copy everything across via cpio, 
install the new bootloader on /dev/sda, once it comes up I can then 
resize /dev/sdb1 re-add the partition to RAID and run the grub2-install 
command.


Thanks,
Jeff



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Re: RAID disk failure

[Reindl Harald]

Am 18.12.2011 18:51, schrieb Sam Varshavchik:
> Carefully review the existing partition layout on what I presume is your good 
> disk, /dev/sdb, and compare it with
> your recreated partition table on /dev/sda.
> 
> Hopefully, on /dev/sdb, your first partition starts on sector 2048, and not 
> sector 63. You probably partitioned
> your new /dev/sda with the first partition starting on sector 63, which does 
> not leave enough room to install grub.
> You'll have to start over. Fail and drop all your sda partitions on of all 
> your md arrays. Create a new partition
> table on sda, recreating the partitions exactly how they are on sdb, starting 
> with sector 2048, matching the start
> and the end of each partition, on sda, exactly how they exist on sdb. Then 
> you'll be able to install grub.

normally "dd if=/dev/good-disk of=/dev/replaced-disk bs=512 count=1"
does this job wonderful because you have a 100% clone of the whole MBR
and partition table, yes i have done this serval times on a disk layout
with RAID1 for /boot, RAID10 for / and RAID10 for /mnt/data

[root@srv-rhsoft:~]$ fdisk -l /dev/sda
Disk /dev/sda: 2000.4 GB, 2000398934016 bytes
255 Köpfe, 63 Sektoren/Spur, 243201 Zylinder, zusammen 3907029168 Sektoren
Einheiten = Sektoren von 1 × 512 = 512 Bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xae2c

   Gerät  boot. AnfangEnde Blöcke   Id  System
/dev/sda1   *2048 1026047  512000   fd  Linux raid autodetect
/dev/sda2 1026048317460471536   fd  Linux raid autodetect
/dev/sda331746048  3906971647  1937612800   fd  Linux raid autodetect

Personalities : [raid1] [raid10]
md2 : active raid10 sdc3[0] sdd3[3] sda3[4] sdb3[5]
  3875222528 blocks super 1.1 512K chunks 2 near-copies [4/4] []
  bitmap: 6/29 pages [24KB], 65536KB chunk
md1 : active raid10 sdc2[0] sdd2[3] sda2[4] sdb2[5]
  30716928 blocks super 1.1 512K chunks 2 near-copies [4/4] []
  bitmap: 1/1 pages [4KB], 65536KB chunk
md0 : active raid1 sdc1[0] sdd1[3] sda1[4] sdb1[5]
  511988 blocks super 1.0 [4/4] []




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Re: Getting a list of applications and packages on my Fedora machine !?

[Genes MailLists]

> 

  I guess groups are a purely an initial install convenience and offer
no advantages beyond that - in which case if one wants to ensure that an
install has all packages of a previous install - then simply ignoring
groups and doing

  yum list installed | (clever script or human) > fixinstall.sh

  on older fedora, and copying it to new fedora install

 will allow one to run fixinstall.sh on the nand install any missed
packages.

  This is what i've done for years ... groups could have shortened the
script I suppose but they aren't important.

 gene


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Re: RAID disk failure

[Sam Varshavchik]

Jeffrey Ross writes:

It finally happened I had a disk failure in my RAID-1 system, I got a  
message from SMART telling me that I had a drive failing and  and checked  
the mdstat and sure enough /dev/sda was missing/failed.


Ok, drive has been replaced and I did the following:

1) recreated the partition table with "sfdisk -d /dev/sdb | sfdisk /dev/sda"
2) re-added the partitions back to the raid system (eg mdadm --add /dev/md1  
/dev/sda1  etc...)
3) recreated the boot sector on the new drive  ***WAIT*** ran into an  
issue


The system was upgraded (via yum) from 14 to 15 to now 16 so I had grub, not  
grub2 on the system, previously it was a simple "grub-install /dev/sdX"


since grub has been replaced with grub2 I tried:

# grub2-install /dev/sda
/sbin/grub2-setup: warn: Your core.img is unusually large.  It won't fit in  
the embedding area..
/sbin/grub2-setup: error: embedding is not possible, but this is required  
for cross-disk install.


so that didin't work, I'm doing something wrong, suggestions?


Carefully review the existing partition layout on what I presume is your  
good disk, /dev/sdb, and compare it with your recreated partition table on  
/dev/sda.


Hopefully, on /dev/sdb, your first partition starts on sector 2048, and not  
sector 63. You probably partitioned your new /dev/sda with the first  
partition starting on sector 63, which does not leave enough room to install  
grub. You'll have to start over. Fail and drop all your sda partitions on of  
all your md arrays. Create a new partition table on sda, recreating the  
partitions exactly how they are on sdb, starting with sector 2048, matching  
the start and the end of each partition, on sda, exactly how they exist on  
sdb. Then you'll be able to install grub.


If your sdb partitions start on sector 63, and you have no room to fit them  
on sda starting at sector 2048, you'll have to recreate all but your  
smallest partition on sda, then add and sync them to your array.


For the smallest partition, create it on sda making it as big as it can be.  
Create a new md array for it on sda, with just one unit. I believe you  
should be able to format it and mount it, even though its degraded. Then you  
can manually copy over the contents from sdb, then drop the array on sdb,  
and add its partition to the replacement md array on sda.




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RAID disk failure

[Jeffrey Ross]

It finally happened I had a disk failure in my RAID-1 system, I got a 
message from SMART telling me that I had a drive failing and  and 
checked the mdstat and sure enough /dev/sda was missing/failed.


Ok, drive has been replaced and I did the following:

1) recreated the partition table with "sfdisk -d /dev/sdb | sfdisk /dev/sda"
2) re-added the partitions back to the raid system (eg mdadm --add 
/dev/md1 /dev/sda1  etc...)
3) recreated the boot sector on the new drive  ***WAIT*** ran into an 
issue


The system was upgraded (via yum) from 14 to 15 to now 16 so I had grub, 
not grub2 on the system, previously it was a simple "grub-install /dev/sdX"


since grub has been replaced with grub2 I tried:

# grub2-install /dev/sda
/sbin/grub2-setup: warn: Your core.img is unusually large.  It won't fit 
in the embedding area..
/sbin/grub2-setup: error: embedding is not possible, but this is 
required for cross-disk install.


so that didin't work, I'm doing something wrong, suggestions?

Thanks, Jeff
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Re: Getting a list of applications and packages on my Fedora machine !?

[Jon Ingason]

2011-12-18 16:49, Bruno Wolff III skrev:

On Sun, Dec 18, 2011 at 10:41:10 -0500,
   Genes MailLists  wrote:


   So how does one get a list of all installed packages - i.e. all groups
and all packages not already installed as part of any installed group?


Installed groups aren't really tracked. You can get a list of packages
installed using rpm -qa. You could do something tricky with the output
to coalesce some of the packages into groups using the group definitions.
You'd need to be precise as to what you mean by having a group installed
as groups have three kinds of packages (required, default and optional)
and there a few reasonable definitions as to what it means to have a
group installed.


If you want to know which groups are installed you can use

yum groupinstall

You get besides installed groups also what groups are not installed.

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Jon Ingason
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Stateless clients

[Kanwar Ranbir Sandhu]

Hi All,

Does anyone know how to use Fedora's stateless linux feature set?  I can
PXE boot a client with a read only file system, but I haven't figured
out how to write data that should survive reboots.

Documentation on this is really bad, and I can barely find anything on
the Internet.  I don't even know if I have the correct packages
installed (for the client).

Regards,

Ranbir

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Re: Getting a list of applications and packages on my Fedora machine !?

[Bruno Wolff III]

On Sun, Dec 18, 2011 at 10:41:10 -0500,
  Genes MailLists  wrote:
> 
>   So how does one get a list of all installed packages - i.e. all groups
> and all packages not already installed as part of any installed group?

Installed groups aren't really tracked. You can get a list of packages
installed using rpm -qa. You could do something tricky with the output
to coalesce some of the packages into groups using the group definitions.
You'd need to be precise as to what you mean by having a group installed
as groups have three kinds of packages (required, default and optional)
and there a few reasonable definitions as to what it means to have a
group installed.
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Re: Getting a list of applications and packages on my Fedora machine !?

[Genes MailLists]

  So how does one get a list of all installed packages - i.e. all groups
and all packages not already installed as part of any installed group?


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Re: Scanner not showing up in HP Device Manager [SOLVED]

[Jon Ingason]

2011-12-17 19:58, Jon Ingason skrev:

Hi,

I just moved from Fedora 14 to Fedora 16. Since I had decided to
excahnge my 500 GB hard disk with to 1 TB disks I did a clean install of
Fedora 16. I have a HP Photosmart Prem c310 AllInOne. It is connected to
my computer via USB. In Fedora 14 I installed hplip-gui and the scanner
was there. Quite easy to scan in photos and document with sane. Now when
I had installed hplip-gui in Fedora 16 there was no scan alternative in
the menu.

Someone having same problem?


I knew that this was simple!

With little help from the HPLIP list I found my problem. The problem was 
solved by


sudo yum install xsane

:)

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Jon Ingason

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Re: F16 unusable while writing to pendrive

[Alan Cox]

> > Actually, the fact that Linux drives don't need regular defragging has 
> > nothing to do with the file system.
> 
> Actually the fact that linux drives don't get defragged is more
> because there are no defragging tools than because there wouldn't
> be a performance benefit to having the sectors in fragmented files
> moved to adjacent chunks of disk.

Manure... 

There are tools for it but ext2/3/4 and some of the other file systems
have allocation algorithms and I/O scheduling policies that make them
fragmentation resistant. If you plot fragmentation and performance over
time they don't drop off very much even after years of I/O (at least for
almost all workloads...). btrfs on the other hand currently seems to have
chronic fragmentation problems.

So it's nothing to do with tools, its a design property, the core of
which comes from the BSD FFS/UFS work in the 1980s. Various other
improvements have been added on top of that including block reservations.

Alan

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Re: F16 unusable while writing to pendrive

[Alan Cox]

> the low-level APIs involved with file creation. Is there a way to tell
> the file system that you´re creating a file with total size "x" before
> any such data is written to it, I mean, as part of the file creation
> call?.

Yes.

> I mean, it is one thing to create a file with size 0, then start
> appending data to it in chunk, than say "hey, I´m creating a
> 8-gigabytes long file, with name xyz". If the latter exists, I´m
> curious if there´s logic at the filesystem level to try to find a
> chunk of free space big enough to allocate it (to reduce
> fragmentation).

It would almost certainly be the wrong thing to do to try and create an
8GB chunk in one place, at least when considering the entire system
behaviour in the longer term.

> downloaded, but I never knew if the file creation call was a single
> one or it actually consisted of the file creation call first, and then
> a write of the x gigabytes of zeroes...

Depends on the filesystem. Unwritten zero blocks in most file systems are
not stored but are implied by the file length.

> I can´t believe that in this day and age (i briefly looked at the
> win32 api and it seems there´s no api to create a fixed-size empty
> file) there´s no api for this, and that one has to rely on a per-app
> implementation (ie filing zeroes).

There is one/

> 
> Why am I asking this? because of this lament about the lack of a
> "mkfile" command in Linux as there is in Solaris
> 
> http://madbodger.livejournal.com/114433.html

So find someone more clueful to read ;). mkfile is a solaris command
hack. You can do the same on any Unix like os with 

dd if=/dev/zero of=filename bs=1M count=number-of-megs-you-want

I guess mkfile is someones quick wrapper to hide it, or to use fallocate

> Just curious... (I know, you will tell me "it isn´t the job of a
> filesystem to populate the contents of an empty file!). And maybe
> you´d be right. Still, I wonder if perhaps fixed-size, empty-file
> creation wouldn´t be much faster if it was implemented at the
> filesystem level).

Thats why it is.

Alan
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Re: zsh: bad option, bash works

[Zind]

Thanks a trillion.   :-)

On Sun, Dec 18, 2011 at 9:58 PM, T.C. Hollingsworth <
tchollingswo...@gmail.com> wrote:

> On Sun, Dec 18, 2011 at 6:51 AM, Zind  wrote:
> > hi, all
> > Here is my execution result of the 'type -t' command:
> > % type -t poweroff
> > zsh: bad option: -t
> > % bash
> > $ type -t poweroff
> > file
> > $ zsh --version
> > zsh 4.3.11 (i686-pc-linux-gnu)
> >
> > zsh warns 'bad option -t', but bash works fine
> > I test it on Ubuntu 11.10 & Fedora 15, but no change.
> > Any help or suggestion is appreciated.
>
> 'type; is a shell builtin, so it's implemented within zsh and bash,
> not as it's own seperate program.  The version included with zsh
> doesn't support the -t argument, while the version with bash does.
>
> -T.C.
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Re: Apper message doesn't quite make sense

[Ed Greshko]

Patrick O'Callaghan  wrote:

>Apper is the GUI for PackageKit. After updating my system, it does some
>housekeeping and finally says something like:
>
>"Your system is up to date. Verified 1 day and 3.5 hours ago".
>
>To which my reaction is "but you only *just* verified it, idiot!".
>
>Am I missing something here?

No. I too noticed the folly of that message.



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OPENVAS: has anybody got it ever started?

[Reindl Harald]

i am running at F15 and not sure if this bugreport from F16 is relevant
https://bugzilla.redhat.com/show_bug.cgi?id=748945
_

openvasmd --rebuild
+++ killed by SIGABRT +++

[root@openvas:/var/log/openvas]$ cat openvasmd.log
md   main:WARNING:2011-12-18 14h21.48 utc:2825: init_manage_process: database 
permissions are too loose, repairing
md   main:WARNING:2011-12-18 14h21.48 utc:2825: init_manage_process: chmod 
failed: No such file or directory
_

[root@openvas:~]$ systemctl status openvas-manager.service
openvas-manager.service - LSB: start|stop|status|restart|condrestart OpenVAS 
Manager
  Loaded: loaded (/etc/rc.d/init.d/openvas-manager)
  Active: active (exited) since Sun, 18 Dec 2011 14:26:39 +0100; 59min 
ago
 Process: 3012 ExecStart=/etc/rc.d/init.d/openvas-manager start 
(code=exited, status=6/NOTCONFIGURED)
  CGroup: name=systemd:/system/openvas-manager.service
_

[root@openvas:/var/log/openvas]$ openvas-check-setup --server
Step 1: Checking OpenVAS Scanner ...
OK: OpenVAS Scanner is present in version 3.2.3.
OK: OpenVAS Scanner CA Certificate is present as 
/etc/pki/openvas/CA/cacert.pem.
OK: NVT collection in /var/lib/openvas/plugins contains 23988 NVTs.
WARNING: Signature checking of NVTs is not enabled in OpenVAS Scanner.
SUGGEST: Enable signature checking (see 
http://www.openvas.org/trusted-nvts.html).
Step 2: Checking OpenVAS Manager ...
OK: OpenVAS Manager is present in version 2.0.3.
OK: OpenVAS Manager client certificate is present as 
/etc/pki/openvas/CA/clientcert.pem.
ERROR: No OpenVAS Manager database found. (Tried: 
/var/lib/openvas/mgr/tasks.db)
FIX: Run 'openvasmd --rebuild' while OpenVAS Scanner is running.



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Apper message doesn't quite make sense

[Patrick O'Callaghan]

Apper is the GUI for PackageKit. After updating my system, it does some
housekeeping and finally says something like:

"Your system is up to date. Verified 1 day and 3.5 hours ago".

To which my reaction is "but you only *just* verified it, idiot!".

Am I missing something here?

poc

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Re: zsh: bad option, bash works

[T.C. Hollingsworth]

On Sun, Dec 18, 2011 at 6:51 AM, Zind  wrote:
> hi, all
> Here is my execution result of the 'type -t' command:
> % type -t poweroff
> zsh: bad option: -t
> % bash
> $ type -t poweroff
> file
> $ zsh --version
> zsh 4.3.11 (i686-pc-linux-gnu)
>
> zsh warns 'bad option -t', but bash works fine
> I test it on Ubuntu 11.10 & Fedora 15, but no change.
> Any help or suggestion is appreciated.

'type; is a shell builtin, so it's implemented within zsh and bash,
not as it's own seperate program.  The version included with zsh
doesn't support the -t argument, while the version with bash does.

-T.C.
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zsh: bad option, bash works

[Zind]

hi, all
Here is my execution result of the 'type -t' command:
% type -t poweroff
zsh: bad option: -t
% bash
$ type -t poweroff
file
$ zsh --version
zsh 4.3.11 (i686-pc-linux-gnu)

zsh warns 'bad option -t', but bash works fine
I test it on Ubuntu 11.10 & Fedora 15, but no change.
Any help or suggestion is appreciated.
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Missing icon from KDE System Tray

[Ed Greshko]

If you happen to catch it, you'd know that my F15 system crashed and
burned due to a disk gone bad.

So, I installed a fresh F16 system and fully updated it while preserving
/home.  Everything seems back to normal...still have some applications
that need installing...but I have one problem.

I use the IBus input method in order to input in languages other than
English.  Well the small keyboard icon isn't showing up on the KDE
System Tray.  There is a "space" for it, an if I hover my mouse over
that area I will get "IBus input method framework" displayed and I can
use my mouse to change the input method.  I can change the input method
using the keyboard, but there isn't a corresponding icon change to show
which input method is active.  That makes it a bit annoying as I have to
use trial and error to get from Japanese input to Chinese, whatever.

Anyone have an idea as to how to troubleshoot this?

 
-- 
A common mistake that people make when trying to design something
completely foolproof was to underestimate the ingenuity of complete
fools. -- Douglas Adams in "Mostly Harmless




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Re: [ABANDONING:] Re: fedora equivalent of recovery disk

[g]

On 12/18/2011 07:24 AM, Paul Allen Newell wrote:
<>

> typo on my part ... I meant to say that they won't get email 
> (Thunderbird) unless reason is given why
-=-

ok.


> You are doing a good job of making me paranoid (smile)
-=-

thank you. i take pride in what i do. LOL


> Brain is fried
-=-

i use scrambled.

"fried" applies to other causes. ;)


> Brain overload ... I need to deal with that tomorrow morning (its
> getting late in my time zone and I've always noticed that the later in
> the day it gets the more I am likely to misread.
-=-

sometimes a fresh start is best.


>>> There's one of those cryptic emoticons after the
>> ;) and ;-) are winks.
> 
> Thanks ... that being said I have to admit that when I see anything with 
> "<..>" implying keystroke sequences I treat it as more than just winks.
-=-

normally, anything i enclose with "< >" is key strokes.

as for emoticons, see;

  http://en.wikipedia.org/wiki/Emoticons

there are several sites showing emoticons, also, but i can not find the
2 that i bookmarked. i guess i forgot to tag them and site name does not
relate.  :-D ?/? :-(


> it will go to dvd ... I remember in my very first post on trying to get 
> a recovery medium I expressed a preference for burned data rather than 
> volatile. That hasn't changed in the process of this thread.
-=-

that you did and i do not blame you.


> Yes, but is what Clonezilla stores an rpm? I've already stated my 
> unhappiness that a recovery medium is not part of Fedora. Since 
> Clonezilla is 3rd party, I can't assume any Fedora assumptions about 
> everything being an rpm?
-=-

to hopefully clarify, what you install from fedora will normally be
from an rpm package. therefore using 'rpm' and 'yum' commands will
give you a listing of what is a '.rpm' package.

this would apply to 3rd party also, unless you compiled yourself.


> When I have do enough research on the material you presented to have a 
> specific question, I can assure you that the odds in Vegas are that I 
> will ask it (smile). I owe it to you to do homework on the email before 
> asking.
-=-

ok. but you owe me nothing.


later. "pulling plugs" to get ready for church.


-- 

peace out.

tc.hago,

g
.

*please reply "plain text" only. "html text" are deleted*


in a free world without fences, who needs gates.
**
help microsoft stamp out piracy - give linux to a friend today.
**
to mess up a linux box, you need to work at it.
to mess up an ms windows box, you just need to *look* at it.
**
The installation instructions stated to install Windows 2000 or better.
So I installed Linux.
**
learn linux:
'Rute User's Tutorial and Exposition' http://rute.2038bug.com/index.html
'The Linux Documentation Project' http://www.tldp.org/
'LDP HOWTO-index' http://www.tldp.org/HOWTO/HOWTO-INDEX/index.html
'HowtoForge' http://howtoforge.com/




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Re: F16 unusable while writing to pendrive

[Patrick O'Callaghan]

On Sun, 2011-12-18 at 06:17 -0300, Fernando Cassia wrote:
> On Sun, Dec 18, 2011 at 04:14, Joe Zeff  wrote:
> > Basically, the system tries to find a place big enough to hold the entire
> > file instead of putting the first chunk into the first place it finds.
> 
> Please confirm if I understood this right, as I¨m not familiar with
> the low-level APIs involved with file creation.

No offense, but my advice to anyone playing around with Linux or Unix
systems at a level beyond the end-user is to read up on the basics of
the core file APIs, even if you're never going to write a program.
Understanding how the file abstraction works is to my mind a question of
basic culture around here. As a piece of engineering design balancing
functional elegance with practicality it's a wonderful thing to
contemplate and a key element of the success of the Unix model,
especially when you compare it to the competition (of course by now the
competition has essentially lifted the best parts but it wasn't always
that way).

You should at least look at creat(2), open(2), lseek(2), read(2),
write(2) and unlink(2).

Anyway ...

> Is there a way to tell
> the file system that you´re creating a file with total size "x" before
> any such data is written to it, I mean, as part of the file creation
> call?.

No.

> I mean, it is one thing to create a file with size 0, then start
> appending data to it in chunk, than say "hey, I´m creating a
> 8-gigabytes long file, with name xyz". If the latter exists, I´m
> curious if there´s logic at the filesystem level to try to find a
> chunk of free space big enough to allocate it (to reduce
> fragmentation).

Some filesystem implementations may allow this and some not, but the
basic APIs are a lowest common denominator and don't include it
directly. Whether or not you preallocate space has no effect on the
semantics of accessing the file, so it's an optimization issue and
different implementations may do it in different ways, e.g. some may use
extents -- so they always preallocate a certain minimum amount -- but
not all do.

> Is that what you are saying?.
> 
> I do know that for instance some bittorrent clients (Vuze -formerly
> azureus comes to mind) allocate the full size of the file being
> retrieved, then starts populating (writing) segments as those are
> downloaded, but I never knew if the file creation call was a single
> one or it actually consisted of the file creation call first, and then
> a write of the x gigabytes of zeroes...

The BT clients do this not for speed optimization (irrelevant for this
use case) but as a way of reserving space. That way there's no danger of
running out of room in the middle of a large BT transfer.

> I can´t believe that in this day and age (i briefly looked at the
> win32 api and it seems there´s no api to create a fixed-size empty
> file) there´s no api for this, and that one has to rely on a per-app
> implementation (ie filing zeroes).

Believe it. However don't think that allocation is done by writing
zeroes; in some implementations writing a block- or extent-aligned
buffer of zeroes won't actually send any data to the disk.

Also, take a look at fallocate(2), but note that it's Linux-specific.

> Why am I asking this? because of this lament about the lack of a
> "mkfile" command in Linux as there is in Solaris
> 
> http://madbodger.livejournal.com/114433.html

Mkfile is a *command*, i.e. a program written using the API. You could
just as easily write mkfile in Linux (maybe someone has done it, I don't
know).

> Just curious... (I know, you will tell me "it isn´t the job of a
> filesystem to populate the contents of an empty file!). And maybe
> you´d be right. Still, I wonder if perhaps fixed-size, empty-file
> creation wouldn´t be much faster if it was implemented at the
> filesystem level).

Consider the following program:

main()
{
int fd;

fd=creat("myfile", 0666);
lseek (fd, 10, 2);
write (fd, "end", 4);
}

Save as (say) hole.c and do:

$ make hole
$ ./hole
$ ls -l myfile
$ du myfile
$ cat myfile

Now see if you understand what's happening.

poc

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Re: F16 unusable while writing to pendrive

[Patrick O'Callaghan]

On Sat, 2011-12-17 at 21:15 -0800, sourcerer_...@riseup.net wrote:
> > Actually, the fact that Linux drives don't need regular defragging has
> > nothing to do with the file system.

> It should still be possible to fragment a large file if, for example, you
> opened a file that covered more than 3 segments and appended data to the
> middle of it.

You can't "append to the middle of it". Appending by definition means
adding on the end. You can overwrite the middle, but it's not going to
push everything up to make room (i.e. filesystems don't work like text
editors where you can 'insert' stuff just anywhere).

The only way this would be relevant to extent allocation is in the case
of sparse files, where the file has a certain logical size but a lower
physical size. If you don't know what I mean by that, kindly read up on
sparse files before proceeding.

poc

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Re: Getting a list of applications and packages on my Fedora machine !?

[T.C. Hollingsworth]

On Sat, Dec 17, 2011 at 2:19 PM, William Case  wrote:
> I think I remember reading a suggestion here about how to get a list of
> the main or core programs on my machine.  It was -- I think -- an rpm or
> yum list command of some kind + grep.  I don't want every plugin or
> update or library just the main program.
>
> I am about to do a virgin install of Fedora 16 (because its about time I
> started fresh rather than with preupgarde again ) and I would like to
> get a simple editable list of all the stuff I now have.
>
> It was one of those things that you say "hey neat" but don't save.  Now
> I can't replicate it.

This will list all RPMs that put something in */bin/ (e.g. all
packages that ship something you can run):
rpm -qal | grep '/bin/' | xargs rpm -q --whatprovides | sort -u

-T.C.
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Re: F16 unusable while writing to pendrive

[Tim]

On Sun, 2011-12-18 at 06:17 -0300, Fernando Cassia wrote:
> I do know that for instance some bittorrent clients (Vuze -formerly
> azureus comes to mind) allocate the full size of the file being
> retrieved, then starts populating (writing) segments as those are
> downloaded, but I never knew if the file creation call was a single
> one or it actually consisted of the file creation call first, and then
> a write of the x gigabytes of zeroes...


You probably want to research into "sparse files." 

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Re: f16 - What, yet ANOTHER kernel update???

[Christopher Svanefalk]

moar moar MOAR! \o/

On Sun, Dec 18, 2011 at 4:13 AM, Robert Moskowitz wrote:

> Gee I have not rebooted since installing the LAST kernel update!
>
> Well here we go again
>
>
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Re: F16 unusable while writing to pendrive

[Fernando Cassia]

On Sun, Dec 18, 2011 at 04:14, Joe Zeff  wrote:
> Basically, the system tries to find a place big enough to hold the entire
> file instead of putting the first chunk into the first place it finds.

Please confirm if I understood this right, as I¨m not familiar with
the low-level APIs involved with file creation. Is there a way to tell
the file system that you´re creating a file with total size "x" before
any such data is written to it, I mean, as part of the file creation
call?.

I mean, it is one thing to create a file with size 0, then start
appending data to it in chunk, than say "hey, I´m creating a
8-gigabytes long file, with name xyz". If the latter exists, I´m
curious if there´s logic at the filesystem level to try to find a
chunk of free space big enough to allocate it (to reduce
fragmentation).

Is that what you are saying?.

I do know that for instance some bittorrent clients (Vuze -formerly
azureus comes to mind) allocate the full size of the file being
retrieved, then starts populating (writing) segments as those are
downloaded, but I never knew if the file creation call was a single
one or it actually consisted of the file creation call first, and then
a write of the x gigabytes of zeroes...

I can´t believe that in this day and age (i briefly looked at the
win32 api and it seems there´s no api to create a fixed-size empty
file) there´s no api for this, and that one has to rely on a per-app
implementation (ie filing zeroes).

Why am I asking this? because of this lament about the lack of a
"mkfile" command in Linux as there is in Solaris

http://madbodger.livejournal.com/114433.html

Just curious... (I know, you will tell me "it isn´t the job of a
filesystem to populate the contents of an empty file!). And maybe
you´d be right. Still, I wonder if perhaps fixed-size, empty-file
creation wouldn´t be much faster if it was implemented at the
filesystem level).

FC
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