Re: [Ilugc] Jupiter Venus Conjunction - simulation in stellarium

2012-03-14 Thread Senthil Anand
On 14 March 2012 19:20, Shrinivasan T  wrote:

> Is it possible ti simulate this in stellarium?
>
> I installed it, but no idea on how to check this via sellarium.
>
> Can anyone try this in stellarium and share the result?

Start Stellarium.

Press F6 for the location window. Select Chennai.

Press F3 and search for Venus. Venus is currently behind a tree.

Press F4 for viewing options. Go to the landscape tab and select Ocean
so that there are no trees anywhere.

Press F5 for day/time window. Adjust the date and time and you can see
the planets changing position.

Regards,
Senthil
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Re: [Ilugc] OAOD (Tellico)

2012-01-04 Thread Senthil Anand
On 5 January 2012 09:37, Rajagopal Swaminathan  wrote:
> Greetings,

> On Thu, Jan 5, 2012 at 9:34 AM, Dhastha  wrote:
>> Application: Tellico

>> To know more about:
>> http://tellico-project.org/
>>
>> Screenshots:
>> http://tellico-project.org/screenshots
>>
>
> Why not full fledged Koha or Dspace?
>

Hi,
Koha is overkill for a single user collection.
Installing and starting is not simple if you are not on Debian.
Needs knowledge about MARC standards.
Dealing with anything other than books and serials means more work.
Regards,
Senthil
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Re: [Ilugc] Interview of Linus Torvalds; He Also Speaks Of Sad Situation Of India

2011-11-05 Thread Senthil Anand
On 5 November 2011 15:24, Girish Venkatachalam
 wrote:
> On Sat, Nov 5, 2011 at 1:47 PM, Arun Khan  wrote:

>>
>>> You won't get skills in 5 or 7 years. It takes more than 15 years.
>>
>> I differ.  A person with passion and the right mind set can achieve
>> enough expertise in a subject matter within 2-5 years.
>>
>
> You left out a 1 before this number. 12 to 15 years. ;)
>

http://norvig.com/21-days.html

In the essay Peter Norvig quotes studies showing that it takes "about
ten years to develop expertise in any of a wide variety of areas" and
speculates that deliberate practice of over 1 hours (which works
out to ~2.75 hours per day over a 10 year period) is what is required.

Regards,
Senthil
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Re: [Ilugc] Dual boot firmware question

2010-03-22 Thread S. Senthil Anand
On 3/23/2010 8:30 AM, Ashish Verma wrote:

> Isn't firmware on the
> device and isn't is supposed to effect the functionality when I boot into
> another OS?

For wireless drivers the firmware is actually a binary blob on the hard
disk. The blob is loaded from the hard disk by the kernel everytime the
system boots up and is loaded into the device. So the firmware has nothing
to do with what is happening in Windows. It is like this mainly due to
some regulatory requirements for radio frequency devices.

In case of nVidia drivers, when you upgraded the kernel, the driver was
unchanged but the glue code for interfacing the driver to the kernel
(which was written to avoid opening up the drivers) had to be recompiled
to match the running kernel.

Regards,
Senthil


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Re: [Ilugc] Compiling the whole Linux distro from source

2010-02-08 Thread S. Senthil Anand
> On Mon, Feb 8, 2010 at 5:03 PM, S. Senthil Anand

> Is pkgsrc such tool??, to find all the dependency library files/ bin files
> /
> files that are required for the application that has its contents inside a
> directory?
>

You get a application directory with a Makefile and a few patches. The
makefile clearly says what are the other packages which are needed to
build the software and then to run the software [these need not be
identical eg. to build C++ programs you need g++ but to run it you need
libstdc++ and not g++.] Each of those packages will have their own
Makefile etc. When you run make install, make will take care of building
all the required dependencies recursively by downloading the source code
and building them in the required order. FreeBSD and OpenBSD ports, and
Gentoo's portage which is inspired by FreeBSD ports works similarly.

If you want to simply view dependencies, go to http://pkgsrc.se and see if
the software you want is there. You will get the complete dependency
information for a package in pkgsrc under all supported platforms.

> To be simple, is there any such ldd command for all files/ sub-directories
> of a directory specified, not just for libraries but also for all
> dependencies ???

I am not aware of a single tool like ldd to display all the dependencies
recursively. You can probably write a tool to walk through the dependency
graph of a package for the various package managers you are interested in.
For me the dependencies tab in synaptic is good enough.

> Or how to make an application *absolutely* portable in Linux environment
> ???

For source portability, pkgsrc or portage will take care of the stuff. For
binary portability within a same architecture ie. i686 (betwwen
distributions of the same architecture) , you need to statically compile
your program + dependencies eg. Opera. Binary compatibilty between
architectures ie. i686 and arm for example, is not feasible unless you go
for something like MacOS's universal binaries which is not used anywhere
in Linux land.

Regards,
Senthil


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Re: [Ilugc] Compiling the whole Linux distro from source

2010-02-08 Thread S. Senthil Anand
Hello,

> Mm, Not necessarily a distro Project, also any such open-source project
> that
> provide good documentation on compilation's steps with appropriate
> parameters, etc.
> Have any one tried compiling popular open source projects from source like
> Firefox, etc.

Not a hard job. Dependencies can be a pain.

You can also try pkgsrc which is NetBSD's answer for cross platform OS
agnostic package building. You can find all the configuration flags of an
application in the corresponding pkgsrc makefiles. I have personally used
it in various Linux distros, FreeBSD, NetBSD, OpenBSD and DragonflyBSD at
various times mainly to benchmark stuff.

Regards,
Senthil




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Re: [Ilugc] Google Chrome

2010-01-10 Thread S. Senthil Anand
> 2010/1/10 S. Senthil Anand 
>
>>
>> By using a separate process per tab, Chrome is trading off speed and
>> security with memory usage.
>>
>
> How is that a tradeoff?? Isn't that supposed to be good having per process
> tabs? I've always been annoyed when one tab freezes and takes the whole
> browser down with it.. How is it a tradeoff of speed and security?

You get increased speed and security which is needed but you also get
increased memory usage which is not desired.

To put it crudely:
Speed, Security, Memory Usage. Pick any two.

Regards,
Senthil


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Re: [Ilugc] Google Chrome

2010-01-10 Thread S. Senthil Anand

> Yeah. Browsing for a long time, with many tabs. Firefox 3.5 and 3.6
> use far less memory than Chrome, at least on my machines. I should
> have called it 'power browsing' or 'vettiness' :P

Isn't that by design ?

By using a separate process per tab, Chrome is trading off speed and
security with memory usage.

Regards,
Senthil




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Re: [Ilugc] Stocks & Share market software - linux

2009-12-14 Thread S. Senthil Anand
Hi,

> On Mon, Dec 14, 2009 at 5:05 PM, Yogesh  wrote:
>
> This application uses java 6. First you have to install java 6 in your
> machine.
>
> Check the following links for installing java.
> http://java.sun.com/javase/6/webnotes/install/jdk/install-linux.html
> http://java.sun.com/javase/downloads/index.jsp
>

Any modern distro has OpenJDK (which passes the Java TCK) JRE installed by
default with JDK available in the repositories. So why still point to the
sun download site to install a version which will be poorly integrated
with the rest of the system?

Regards,
Senthil


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Re: [Ilugc] GMA950 on Ubuntu 9.10 + VirtualBox3.1 Direct3D issue

2009-12-14 Thread S. Senthil Anand
Hi,

> Questions:
> 1. Can Direct3D support be enabled with the regular vesa driver?
> 2. I've downloaded the latest Intel GMA Linux driver source. Has anyone
> used
> this on Koala? Any downsides?

The card is not powerful enough to support Direct3D under Virtualbox. Even
native OpenGL support is is rather bad under Linux.

In Ubuntu by default you are not running vesa drivers, but rather the
accelerated Intel drivers present in Xorg -- check if you are running
desktop effects for the presence of acceleration.

Intel has no proprietary drivers for Xorg (except for Poulsbo which is
found only in a few gimped netbooks). What is in Xorg is all that is
offered. What you downloaded from Intel's site is probably a few weeks
newer that what is available in Ubuntu. So you probably wont notice a
great difference in performance.

Regards,
Senthil


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Re: [Ilugc] .a-tip-a-day. (config(8) - modify running OpenBSD kernel)

2009-11-27 Thread Senthil Anand

Girish Venkatachalam wrote:

Here is how you modify a running kernel in OpenBSD

Login as root.

# config -e /bsd -o /bsd
UKC> find audio
UKC> change azalia
 ( Enter new PCI dev #, function # and bus # and even flags)
UKC> quit
Saving modified kernel.


Never had to fiddle with audio or wi-fi in OpenBSD. But I have used 
config mainly to set the timezone offset(-330).


Regards,
Senthil
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Re: [Ilugc] .a-tip-a-day. (cygwin - POSIX environment on Windows)

2009-11-16 Thread Senthil Anand
On Tue, 2009-11-17 at 08:43 +0530, Girish Venkatachalam wrote:
> Hi guys,

> You can install Cygwin from http://www.cygwin.com
> 
> You can select their wide cornucopia of packages and you get every
> single UNIX utility you can think of.
> 
> Even fork(2) works!
> 
> It is amazing.
> 
> Whenever I am forced to use Windows I do this.
> 

Another option would be Interix which now called Subsystem for
Unix-based Applications (SUA) from Microsoft. It is a 32/64 bit UNIX and
POSIX subsystem for the NT kernel similar to the Win32 subsystem. 

When I worked with it a few years ago it was based on the OpenBSD
userland. Its main advantage was that it was a native subsystem unlike
Cygwin which was POSIX on top of Win32. Its main disadvantage is that
the latest version (6, 6.1) needs Vista/Windows 7 Ultimate or
Enterprise. The older 32 bit version (3.5) which works on XP is a free
download till the end of the year.

http://www.suacommunity.com/SUA.aspx

Regards,
Senthil


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Re: [Ilugc] The liveusb-openbsd project

2009-11-11 Thread Senthil Anand

Girish Venkatachalam wrote:

I have started close to 5 projects on sf.net but most are not of
general use. This one is.

http://liveusb-openbsd.sf.net

Please download the 7z image of the binary image to write to a USB memory stick.



Is it based on 4.6 release or 4.6 stable or current ?

Regards,
Senthil
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Re: [Ilugc] Re: How powerful gambas is ??

2009-11-10 Thread Senthil Anand

Balachandar wrote:

Kenneth Gonsalves  writes:


I think it is more of a toy - try dabo if you like. It has much wider support.


   Then what is the use of it.Is there any applications built using
gambas.Can one build application using it or not??where it lags..


In the late 90s, there was a big push by many FOSS projects to develop 
Rapid Application Development environments for use under free Unixes 
since most of the MS Windows desktop programmers were comfortable with 
Visual Basic and Delphi rather than the commandline tools.


Gambas is one of the VB inspired projects which actually released a 
usable product and is usable under X11.


Lazarus is modelled upon Delphi and is written in Free Pascal and works 
in both Unixes and Windows.


Gambas is useful if you know VB and want something similar under X11 and 
works in both KDE and GNOME. Try this page for software done using 
Gambas : http://freshmeat.net/tags/gambas
To learn a bit about the capabilities of Gambas go through this wikibook 
: http://en.wikibooks.org/wiki/Gambas


There are not many FOSS applications built using Gambas or Lazarus 
mainly because Basic and Pascal have the reputaion of being 
bondage-and-discipline languages. Gambas has a further disadvantage in 
that it is not usable under Windows. Lazarus seems to be more used under 
Windows than Unixes since it follows the philosophy of "write once, 
compile anywhere" and has a robust Windows user base.


Dabo written in python is much younger(apparently from 2004) when 
compared to Gambas(1999). It's main draw seems to be that it is not a 
yet another web framework (YAWF) written in python and is cross-platform 
as it is based on wxPython. The only other desktop framework in Python I 
am aware of is kiwi which is based on pyGTK, so mostly X11 specific. The 
newly released Ubuntu's quickly (https://launchpad.net/quickly) seems to 
include kiwi as a dependency - not sure of this.


On the Ruby side I am aware of Shoes http://github.com/shoes/shoes as a 
desktop counterpart to Ruby-on-Rails.


I am not aware of a Dabo or Shoes package for any Linux distribution. 
All the other packages are available in various distribution repos.


Disclaimer: I am not a VB, Delphi, Python or Ruby programmer though I 
can read code in those languages and mostly understand them. All the 
above is very incomplete and just based on stuff I read while being bored.


Regards,
Senthil

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Re: [Ilugc] Ubuntu Repository

2009-10-03 Thread Senthil Anand

Kannan wrote:


Like in Fedora, i want to copy all the dvd packages to my directory & want
to use that repository using apt-get tool.


Simply dumping the contents of the DVD to a directory, serving it over 
apache and adding the path to sources.list will work for a local machine 
as well as a lan with no internet access. There are probably automated 
tools for doing this.


Regards,
Senthil
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Re: [Ilugc] CouchDB in Karmic Koala

2009-10-02 Thread Senthil Anand

Mano wrote:

Hi,

Some might have heard of couchdb, an apache project, used for developing web
applications. Elsewhere someone said:



 Its used in an interesting way in Karmic Koala. The following discussion
gives an idea of how its used.



This is the first time I am seeing an Erlang app getting installed by 
default in a Linux distribution.


Regards,
Senthil
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Re: [Ilugc] Twisted Installation Error

2009-09-30 Thread S. Senthil Anand
>> >>> import Crypto
>> >>> import twisted.conch.ssh.transport
>> >>> twisted.conch.ssh.transport.RSA
>> Traceback (most recent call last):
>>  File "", line 1, in 
>> AttributeError: 'module' object has no attribute 'RSA'
>>
>> twisted.conch.ssh.transport clearly has no attribute RSA. You can
>> confirm
> this either with dir() or with getattr().  What are you trying to do ?
> Perhaps you can paste a few more lines of the code that you are trying to
> run.

I think this is the code being used:
http://books.google.co.in/books?id=sUviL0XxgMEC&lpg=PA177&ots=c3lfubBhl6&dq=twisted%20conch%20rsa&pg=PA6#v=onepage&q=twisted%20conch%20rsa&f=false

I am not sure if it is due to a library change or a language spec change.

Regards,
Senthil


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Re: [Ilugc] JAVA version

2009-09-29 Thread Senthil Anand

Rajesh Kumar wrote:

Dear Friends

I have installed jdk1.5 version in my centOS and i set path
in /etc/profile

export JAVA_HOME=/usr/jdk1.5.0_11
export JAVA_PATH=/usr/jdk1.5.0_11/bin

but when i chenked the java version using # java -version. It's showing java
version "1.4.2". How can solve this problem because i unable to install the
squirrel sql.


Make sure that the JAVA_PATH is the first entry for PATH. You are now 
probably using the GCJ java from /usr/bin.


Use something like:
export PATH=$JAVA_PATH:$PATH
or
export PATH=$JAVA_HOME/bin:$PATH

Regards,
Senthil
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Re: [Ilugc] Facinating songs about Linux?

2009-09-23 Thread Senthil Anand

bala chandar wrote:

Hi luggies,
   I want audio and video songs that tells about the pride of
linux,FOSS or opensource.


I know only about OpenBSD songs: http://www.openbsd.org/lyrics.html

Regards,
Senthil

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Re: [Ilugc] The Hindu features SFD

2009-09-20 Thread S. Senthil Anand
> On Mon, Sep 21, 2009 at 8:15 AM, Venkatraman S  wrote:
>> On Sun, Sep 20, 2009 at 12:15 PM, Salvadesswaran P.S. <
>> By the way, what causes an 'ece' extn?
>
> Links aren't broken for me. I also wish to know what ece extn means.

It seems to be from Escenic Content Engine, a CMS. The Hindu is in:
http://www.escenic.com/customers/media/

Regards,
Senthil


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Re: [Ilugc] OpenGL Support for Intel GMA

2009-09-18 Thread Senthil Anand

Bharathi Subramanian wrote:

On 12:22pm, Varrun Ramani wrote:

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960
Integrated Graphics Controller (rev 0c)


I use TP R61. OpenGL support is not good in this Intel Card. I am not
sure, is it related to the driver or device. Try to play with DRI
settings using driconf tool. Try the driver provided by the Intel[1].
I never tried this :)

1. http://intellinuxgraphics.org/

Bye :)


In theory the Intel Graphics Media Deaccelerators have a good unified 
architecture and 3D performance. In practice Intel concentrates mainly 
on media playback rather than 3D gaming. This is true even in under 
Windows where the Intel drivers are much faster.


All games using the GPLed Quake 3 engine will run well, mainly because 
they use the engine for 3d performance testing. Other engines may or may 
not work.


In the OPs case he also has to contend with wine which has its own set 
of problems.


The drivers in the mentioned site are just the ones you get in your 
distribution through X.org. It might probably be somewhat newer that 
what you get with your distribution.


Also Ubuntu Jaunty had a few regressions in performance of Linux drivers 
due to the rewriting of a large part of the X.org graphics stack. If you 
want to use a newer version, you will need to update all packages in the 
graphics stack found in the site. Since it includes a patched kernel and 
X.org libraries, don't try it unless you are well familiar with Linux. 
The new stack will appear in next version of all the distros and you can 
try it then.


Regards,
Senthil
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Re: [Ilugc] RE: Grub booting

2009-09-17 Thread S. Senthil Anand
> Both HHDs are having linux and when i select the windows, second HHD linux
> (FC11) is booting without any problem. How is it possible?

When you tell grub to chainload, it does not care about the OS installed
in the partition. It simply transfers control to whatever loader is in the
partition. In your case you hace F11 which gets loaded. The title you give
on grub need not match the actual OS in the hard disk.

Regards,
Senthil


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Re: [Ilugc] SDCC [Re]Installation???

2009-09-08 Thread Senthil Anand

csmg sarma wrote:

I installed sdcc on ubuntu JJ with:
$ sudo apt-get install sdcc



I want to know what went wrong with "apt-get install". Did anyone come
across this before?


Based on the descriptions on packages.ubuntu.com, you probably require 
sdcc-nf [non-free] from the multiverse repository.


Regards,
Senthil
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Re: [Ilugc] learning C++

2009-08-28 Thread Senthil Anand

Sahasranaman MS wrote:


best way to learn OOPs. Even in college, when I had a paper called Object
Oriented Programming, it didn't cover anything about the C++ Standard
Libraries


What do OOP concepts have to do with C++ ?

Also the C++ STL is not based on OOP concepts. Read the interview with
the creator of the C++ STL at
http://www.stlport.org/resources/StepanovUSA.html



Aren't there many Linux C++ programmers in Chennai or Bangalore. Is the
number considerably less than the number of Python programmers?  Why don't
we have a C++ programmers community like ChennaiPy or BangPypers for Python?


C++ is not that popular in any of the free OSs. Linus hates C++. The BSD
people also are not too keen on C++. Only Qt + KDE is in the C++ camp 
and what they use is a big subset of the language and not at all standard.


The language is complex (just compare the size of K&R and TCPL) and most
people never have the chance to learn the whole language. Also to
contribute to a project which is written in C++ you need to be familiar
with the style of C++ (C as C++, C with classes, generic programming, Qt
C++ etc.) it is using.

There is only one compiler which is usable (gcc) and even that does not
always implement the complete standard, breaks ABI compatibility often
and is pretty slow.



Kapil Hari Paranjape wrote:

> I thought you would have taught her some Python by now! So she would
> only need to "translate" from Python to C++ and then check for syntax
> errors.

Isn't Python too high level when compared to C++ to do this ? Often 
Python programs are an order of magnitude consise than C++.


> Are you sure that they are teaching standard C++? Often they teach
> using one of the MS Visual C++ type systems and that is quite
> different from using g++.

I would be quite happy if they had moved out of Turbo C++. I am often 
surprised by the number of people looking for conio.h for their C/C++ 
programs.


Regards,
Senthil

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Re: [Ilugc] HDD Power and Status

2009-07-31 Thread Senthil Anand

On 7/31/2009 11:00, Bharathi Subramanian wrote:


after HDD power reconnected". And during hibernate, How the appl are
able resume back to normal operation?


During Hibernate, the entire content of RAM is dumped on the swap space. 
On the next boot, the kernel just loads the memory contents from swap. 
So you have all the applications and files just as they were previously.


Regards,
Senthil
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Re: [Ilugc] Need help on Koha 3.0 installation in Debian 5.0

2009-04-06 Thread S. Senthil Anand
> Is there anyone here who worked on Koha 3.0 in Debian 5.0? I need your
> help
> badly.
>
Hi,

What problem are you having ?
Koha on Debian is relatively straightforward.

Regards,
Senthil


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Re: [Ilugc] unable to update kernel to latest version fedora9 using yum

2009-03-15 Thread S. Senthil Anand
> I found this. Probably Rahul would be able to explain this newkey repo
better
> http://download.fedora.redhat.com/pub/fedora/linux/updates/9/x86_64.newkey/
> It seems to have kernel 2.6.27

Some machines inside Redhat were compromised around September last year.
Because of thet Redhat and Fedora had to re-sign all the rpms using a new
signing key. They also changed the update urls to reflect that. So the
default yum config from the DVD is out of date. That is why you have the
i386.newkey and x86_64.newkey repositories.

Regards,
Senthil

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Re: [Ilugc] Debian 64 bit support for HP Compaq dx2480 Microtower PC

2009-03-12 Thread S. Senthil Anand
> We wish to buy HP Compaq dx2480 Microtower PC.
>
> We need to know that whether Debian 64 bit is supported for this PC.
>
> How to know this?
>

If you are getting the PC with a Core 2 Duo or Quad it supports 64 bit OS.
For Pentium Dual Core or Celeron you will need to check Intel's website.
As for other hardware in the system I have no idea about their Linux
compatibility.

Regards,
Senthil


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Re: [Ilugc] about swap area

2009-03-06 Thread Senthil Anand

On 3/6/2009 7:38 PM, nandha kumar wrote:


1. how to utilize the swap memory completely( i hv created a swap of 1280 mb
and ubuntu is in 40 gb hdd) bcoz most of the time my swap is idle.


Use programs which use more than 640MB of memory. Idle swap is good 
since it means you have enough memory for your workloads.



2. can swap can be used as a virtual graphics card to improve my graphics
 if possible please tell me how to do it??


Don't think that is possible under X Window System.

Regards,
Senthil
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Re: [Ilugc] Firefox problem

2009-03-05 Thread S. Senthil Anand
> On Wed, Mar 4, 2009 at 6:15 AM, padma priya  wrote:
>
>>
>> /usr/lib/firefox-3.0b5/run-mozilla.sh: line 131:  4479 Segmentation
>> fault  "$prog" ${1+"$@"}
>>
>
> Looks like fedora packaged a beta version :(
> The best thing you can do is to start fresh by  removing .mozilla
> directory
> and installing firefox new
> $cd
> $rm -rf .mozilla
>
> You will loose all your profile information and plugins :(
>
> Anyways the current stable version is 3.0.7 . You can also try 3.1 beta 2
> (
> my choice as 3.1 has new features )
> They are all available at http://www.mozilla.com/en-US/firefox/all.html
>

Or you can simply apply all the security updates and get the latest
version without breaking all the other software which depends on gecko.
Fedora 9 and 10 have 3.06 in their updates and will get 3.07 in a few
days.

Regards,
Senthil


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Re: [Ilugc] problems compiling a qt file

2009-02-19 Thread Senthil Anand

On 2/20/2009 7:17 AM, Kenneth Gonsalves wrote:

but when I run this, I get this error:

[r...@xlquest gpa]# moc webkit-image.cpp>webkit-image.h
bash: moc: command not found


moc -- meta object compiler. Part of Qt developer tools.
You need the development packages for Qt, probably Qt4.

Regards,
Senthil
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Re: [Ilugc] Progressbar on shell

2008-12-25 Thread Senthil Anand

On 12/25/2008 3:17 PM, Sivakumar Gopalan wrote:

Also how is it possible to display the progress bar correctly
when the user adjusts the command line window? I remember
seeing such type of progressbars in rpm.


Few days back there was a discussion on the 'dialog' utility, which
Has this capability. It is a shell utility written in C.


Progress -- http://progress.unixdev.net/ is another simple tool ported 
from NetBSD which does nothing but display progress bars.


Regards,
Senthil
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