Re: [Ilugc] Preventing Execution under home directories

2010-10-19 Thread Arun Khan
On Fri, Oct 15, 2010 at 7:46 AM, Yogesh yogeshg1...@gmail.com wrote:
 Hi,

 I wanted to prevent execution of file (binaries and scripts) under the
 home directory. I know I can do this by:

 sudo mount -o remount,noexec /home/user

 But I also want to prevent execution of scripts under the dir. For e.g.
 I can do a sh /home/user/filename.sh and it would still run the script.
 So I want to deny access to interpreters to the home directory.

 sh
 bash
 perl
 php
 python etc.


I don't think this can be done; I believe it would disable your basic
login process and CLI.   Would like to hear opinions from shell gurus.

I use rbash to restrict users to their home dir only but it does not
block shell script execution in user's dir.

-- Arun Khan
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[Ilugc] xfs_repair - need help / pointers to recover files from hard disk

2010-10-19 Thread Arun Khan
I have an external WD 1TB hard disk with a XFS file system.  It used
to be mounted to my desktop via an e-sata port on the mobo.

It started giving me block read errors while auto mounting and I was
under the impression the HDD was on way to RIP.

It turns out it was the mother board which was on the way to RIP
because the DVI port stopped working 2 days ago.

Anyway,  I have hooked up the 1TB device to my temporary desktop via
USB and the kernel is not reporting any error.

However, there are file system errors and it refuses to mount.

Using SystemRescueCD I have tried to repair the FS with the following:

xfs_repair -v -L /dev/sdf1

I see no output on the console (even after letting it run for a couple
of hours) and I am unable to break out of the session (Cntrl-C).

I have also done ddrescue to extract about 150GB of the FS and try to
repair the extracted file - no success.

Would appreciate any pointers / tips to recover the file system.

TIA
-- Arun Khan
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Re: [Ilugc] Preventing Execution under home directories

2010-10-19 Thread steve

On 10/19/2010 12:37 PM, Arun Khan wrote:

On Fri, Oct 15, 2010 at 7:46 AM, Yogeshyogeshg1...@gmail.com  wrote:

 Hi,

 I wanted to prevent execution of file (binaries and scripts) under the
 home directory. I know I can do this by:

 sudo mount -o remount,noexec /home/user

 But I also want to prevent execution of scripts under the dir. For e.g.
 I can do a sh /home/user/filename.sh and it would still run the script.
 So I want to deny access to interpreters to the home directory.

 sh
 bash
 perl
 php
 python etc.



I don't think this can be done; I believe it would disable your basic
login process and CLI.   Would like to hear opinions from shell gurus.



That is correct ...due to the inherent nature of interpreters ...

[st...@laptop ~]$ echo ls | bash -i
or
[st...@laptop ~]$ bash -i  script.sh

cheers,
- steve
--
random spiel: http://lonetwin.net/
what i'm stumbling into: http://lonetwin.stumbleupon.com/
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Re: [Ilugc] xfs_repair - need help / pointers to recover files from hard disk

2010-10-19 Thread Raja Subramanian
On Tue, Oct 19, 2010 at 1:02 PM, Arun Khan knu...@gmail.com wrote:
 I have an external WD 1TB hard disk with a XFS file system.  It used
 to be mounted to my desktop via an e-sata port on the mobo.
...
 Anyway,  I have hooked up the 1TB device to my temporary desktop via
 USB and the kernel is not reporting any error.

 However, there are file system errors and it refuses to mount.

 Using SystemRescueCD I have tried to repair the FS with the following:

                            xfs_repair -v -L /dev/sdf1

XFS fsck requires a LOT of RAM to check large file systems.  Please
ensure you have at least 2GB of RAM on your system and are running
a 64bit kernel and userland.  It's also good to have adequate swap
mounted -- you don't want xfs_check to run out of RAM midway.

I always xfs_check first to identify errors.  Then try a dry run with
xfs_repair -n before turning xfs_repair loose.


 I see no output on the console (even after letting it run for a couple
 of hours) and I am unable to break out of the session (Cntrl-C).

USB is very slow, so a lot of patience is required :-)  Or hook up the
HDD to your internal SATA controller and rerun fsck.

xfs_repair is probably stuck on kernel IO so Control-C is not stopping
it.  If you don't see any disk activity, it should be safe to reboot the box
and try the above.


 I have also done ddrescue to extract about 150GB of the FS and try to
 repair the extracted file - no success.

Do you have a full image of the XFS partition?  What is the size of your
XFS partition.

If you have LVM setup, suggest that you create a snapshot before running
xfs_* so you can revert in case things do not go as planned.


Not to discourage you but my experience in recovering XFS has mostly met
with limited success.  xfs_repair renames the files with their inode numbers
and generally creates a mess.  I've often had to reinstall IRIX after
a file system
corruption.

XFS requires stable hardware and power to function well.  Further more,
for single disk setups, the performance advantages of XFS over other file
systems is not all that significant.  So for removable disks, it's highly
recommended that you consider ext3/ext4 in future.

- Raja
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Re: [Ilugc] Solaris ufs mount on Linux

2010-10-19 Thread Balachandran Sivakumar
Hi,

On Tue, Oct 19, 2010 at 4:00 AM, narendra babu cnarendra_b...@yahoo.com wrote:


 Is it possible to mount ufs in Solaris  to Linux .


  Yes, you can do that if your kernel is compiled with UFS support.

 or can mount ufs file system from Solaris from Linux


   I am not sure what you mean. But we can mount fs from Linux to
Solaris and vice-versa. Thanks




-- 
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Arise Awake and stop not till the goal is reached.

Mail: benignb...@gmail.com
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[Ilugc] Bus routes using openstreetmap

2010-10-19 Thread Shrinivasan T
Friends.


Openstreetmap is used to find the bus routes in chennai.
Check this site.

http://busroutes.in/chennai/

The code is here
http://github.com/yuvipanda/wtfimb

For more details and to contribute
http://wiki.openstreetmap.org/wiki/Chennai/Bus_Route_mapping_project


This may be an interesting project for college students.




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Re: [Ilugc] Bus routes using openstreetmap

2010-10-19 Thread Chakravarthy S
Thats interesting. This is a good start for opensource towards public who are 
ignorant of opensource. Thanks Shrini.






From: Shrinivasan T tshriniva...@gmail.com
To: ILUG-C ilugc@ae.iitm.ac.in
Cc: kanchi...@freelists.org
Sent: Tue, October 19, 2010 2:52:12 PM
Subject: [Ilugc] Bus routes using openstreetmap

Friends.


Openstreetmap is used to find the bus routes in chennai.
Check this site.

http://busroutes.in/chennai/

The code is here
http://github.com/yuvipanda/wtfimb

For more details and to contribute
http://wiki.openstreetmap.org/wiki/Chennai/Bus_Route_mapping_project


This may be an interesting project for college students.




-- 
Regards,
T.Shrinivasan


My Life with GNU/Linux : http://goinggnu.wordpress.com
Free/Open Source Jobs : http://fossjobs.in
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Re: [Ilugc] [Tip] byobu -- The awesome 'Terminal'

2010-10-19 Thread Chakravarthy S
Wow that was good. It was a good piece of information. I am now using byobu for 
my terminal. Thanks Suresh.





From: Tha.Suresh jemenisur...@gmail.com
To: ILUG-C ilugc@ae.iitm.ac.in; KanchiLug kanchi...@freelists.org; 
iitd...@googlegroups.com
Sent: Mon, October 18, 2010 7:05:03 PM
Subject: [Ilugc] [Tip] byobu -- The awesome 'Terminal'

you want a nice Terminal??

Just open your terminal and type 'byobu'

Now, you can see the changes at the bottom of the terminal.

See the man page for more exiting information. ;-)

EX:
a...@arul-desktop:~$ byobu

Now, you can see the following information

cpu_count, cpu_freq, hostname, ip_address ,load_average,uptime etc.,

hint:

Press 5 times the F2 button and press F3  F4.


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Re: [Ilugc] Bus routes using openstreetmap

2010-10-19 Thread karthick babu
can i get bus route API/DB for Chennai  Mumbai, in which i could search by
Bus no and source  destintation

Thanks,
Karthick
Mind Dots Software Systems Pvt Ltd

On Tue, Oct 19, 2010 at 3:24 PM, Chakravarthy S
schakravarth...@yahoo.comwrote:

 Thats interesting. This is a good start for opensource towards public who
 are
 ignorant of opensource. Thanks Shrini.





 
 From: Shrinivasan T tshriniva...@gmail.com
 To: ILUG-C ilugc@ae.iitm.ac.in
 Cc: kanchi...@freelists.org
 Sent: Tue, October 19, 2010 2:52:12 PM
 Subject: [Ilugc] Bus routes using openstreetmap

 Friends.


 Openstreetmap is used to find the bus routes in chennai.
 Check this site.

 http://busroutes.in/chennai/

 The code is here
 http://github.com/yuvipanda/wtfimb

 For more details and to contribute
 http://wiki.openstreetmap.org/wiki/Chennai/Bus_Route_mapping_project


 This may be an interesting project for college students.




 --
 Regards,
 T.Shrinivasan


 My Life with GNU/Linux : http://goinggnu.wordpress.com
 Free/Open Source Jobs : http://fossjobs.in
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Re: [Ilugc] Bus routes using openstreetmap

2010-10-19 Thread Srikanth Lakshmanan
On Tue, Oct 19, 2010 at 14:52, Shrinivasan T tshriniva...@gmail.com wrote:

 Friends.

 Openstreetmap is used to find the bus routes in chennai.
 Check this site.

 http://busroutes.in/chennai/

 The code is here
 http://github.com/yuvipanda/wtfimb

 For more details and to contribute
 http://wiki.openstreetmap.org/wiki/Chennai/Bus_Route_mapping_project

 This may be an interesting project for college students.


Thanks Shrini for some publicity. Hope we get some more interested python /
django / openlayers developers :)

If any of you are interested please feel free to drop a Hi at
madrasrout...@googlegroups.com or catch us at #busroutesin on
irc.freenode.net after 9 pm on week nights.FYI, It *is* indeed work done by
few college students.

Regards
Srikanth.L
http://j.mp/SrikanthL
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[Ilugc] hai friends I need immediate ibm product websphere linux server ( trail version)

2010-10-19 Thread karthi keyan
Hello friends.
Now  i am learning  web sphere  was6.1 version. IBM tools.
   pl somebody  have  copy  of web sphere Linux server s/w  ., if u
have  contact this is  number ., thank u


with yours
b.karthikeyan
9940877312
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Re: [Ilugc] hai friends I need immediate ibm product websphere linux server ( trail version)

2010-10-19 Thread Abishek Goda
Hi,

    Now  i am learning  web sphere  was6.1 version. IBM tools.
           pl somebody  have  copy  of web sphere Linux server s/w  ., if u
 have  contact this is  number ., thank u

http://www.ibm.com/developerworks/downloads/ws/was/

Unless you are particular about v6.1, the above link has a trial
download. Also, the mail looks to have very poor formatting. A little
more care to what/how you write might help! But that has nothing to do
with the list or the question :)

Abishek
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Re: [Ilugc] Bus routes using openstreetmap

2010-10-19 Thread Srikanth Lakshmanan
On Tue, Oct 19, 2010 at 15:29, karthick babu karth...@gmail.com wrote:

 can i get bus route API/DB for Chennai  Mumbai, in which i could search by
 Bus no and source  destintation

 Thanks,
 Karthick
 Mind Dots Software Systems Pvt Ltd

 On Tue, Oct 19, 2010 at 3:24 PM, Chakravarthy S
 schakravarth...@yahoo.comwrote:

  Thats interesting. This is a good start for opensource towards public who


1. Please Do not Top post.
2. Chennai geocoded data (whatever is present in MTC site [only the stage
data]) is available under creative commons license. Refer the files
routes.dump.json and stages.dump.json at http://github.com/jkk10/wtfimb/

Regards,
Srikanth L
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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread Shankar Ganesh
On Tue, Oct 19, 2010 at 7:35 PM, Shrinivasan T tshriniva...@gmail.comwrote:

 Friends.

 I need a web based software to monitor my team's activities.
 Each member goes on various training programs and handles various tasks.
 Have to monitor their tasks and activities.

 Shall I go for drupal?
 What are the modules have to add for this requirement?

 Or any other software is there?


Basecamp is good. http://basecamphq.com/


 Thanks.


 --
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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread Thyagarajan தியாகராஜன்
Hi,

If you requirement is limited, have a look at http://teambox.com/ .

regards,
Thyagarajan Shanmugham
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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread Thyagarajan தியாகராஜன்
2010/10/19 Thyagarajan தியாகராஜன் citizenof...@gmail.com

 Hi,

 If your requirement is limited, have a look at http://teambox.com/ .

 regards,
 Thyagarajan Shanmugham

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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread Shrinivasan T
Thanks.

Basecamp and teambox are online services.
I want to host it locally.
Have to use in the intranet.

Thanks.



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Re: [Ilugc] xfs_repair - need help / pointers to recover files from hard disk

2010-10-19 Thread Arun Khan
Hi Raja,

Thanks very much for your detailed response.  I will keep your
suggestions in mind.

On Tue, Oct 19, 2010 at 1:42 PM, Raja Subramanian
rajasuper...@gmail.com wrote:
 On Tue, Oct 19, 2010 at 1:02 PM, Arun Khan knu...@gmail.com wrote:
 I have an external WD 1TB hard disk with a XFS file system.  It used
 to be mounted to my desktop via an e-sata port on the mobo.
 ...
 Anyway,  I have hooked up the 1TB device to my temporary desktop via
 USB and the kernel is not reporting any error.

 However, there are file system errors and it refuses to mount.

 Using SystemRescueCD I have tried to repair the FS with the following:

                            xfs_repair -v -L /dev/sdf1

 XFS fsck requires a LOT of RAM to check large file systems.  Please
 ensure you have at least 2GB of RAM on your system and are running
 a 64bit kernel and userland.  It's also good to have adequate swap
 mounted -- you don't want xfs_check to run out of RAM midway.

Yes, I am using 64bit kernel with 8GB RAM.  I am using SystemRescueCD.
  Memory was not the issue; top showed only 670MB in use.

 I always xfs_check first to identify errors.  Then try a dry run with
 xfs_repair -n before turning xfs_repair loose.


 I see no output on the console (even after letting it run for a couple
 of hours) and I am unable to break out of the session (Cntrl-C).


It turns out I was overly optimistic about the condition of the hard
disk.  Although, it showed no disk read errors last night, they showed
up today when I was attempting yet another xfs_repair with the -P
option.  This time around I did get some output on the console with it
aborting on disk I/O error.  Time to RMA the disk to WDC.  In this
case,  the files were mostly ISO of various distros so not much loss.


 USB is very slow, so a lot of patience is required :-)  Or hook up the
 HDD to your internal SATA controller and rerun fsck.

I do not have any spare sata ports on the server and esata port either.

 xfs_repair is probably stuck on kernel IO so Control-C is not stopping
 it.  If you don't see any disk activity, it should be safe to reboot the box
 and try the above.


 I have also done ddrescue to extract about 150GB of the FS and try to
 repair the extracted file - no success.

 Do you have a full image of the XFS partition?  What is the size of your
 XFS partition.

The partition size is the full disk - around 976GB.  I do not have an
equivalent spare so I tried about 150GB and tried mounting the image
file - did not work.  Clutching at straws before letting it go :(

 If you have LVM setup, suggest that you create a snapshot before running
 xfs_* so you can revert in case things do not go as planned.


 Not to discourage you but my experience in recovering XFS has mostly met
 with limited success.  xfs_repair renames the files with their inode numbers
 and generally creates a mess.  I've often had to reinstall IRIX after
 a file system
 corruption.

With this experience, I agree with your suggestion re. file system
choice.   I too have had very limited success with XFS repair on
another occasion and ended up reformatting the volume.

-- Arun Khan
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Re: [Ilugc] Nagios_Check_HTTP

2010-10-19 Thread Shrinivasan T
Hi,

Check this site
http://www.frank4dd.com/howto/nagios/apache-session-monitoring-nagios.htm


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Re: [Ilugc] hai friends I need immediate ibm product websphere linux server ( trail version)

2010-10-19 Thread Ravi Jaya
  pl somebody  have  copy  of web sphere Linux server s/w  ., if u
 have  contact this is  number ., thank u

@karthikeyan,

Kindly avoid SMS way of writing to the mailing list.



-- 
Ravi Jaya

Mobile: +91 97909 16181
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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread Vamsee Kanakala

 On Tuesday 19 October 2010 07:47 PM, Shrinivasan T wrote:

Thanks.

Basecamp and teambox are online services.
I want to host it locally.
Have to use in the intranet.


One of these should work out for you, especially ProjectPier: 
http://pm-sherpa.com/attributes/opensource/


Vamsee.
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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread sivaji j.g
On Tue, Oct 19, 2010 at 7:35 PM, Shrinivasan T tshriniva...@gmail.comwrote:

 Friends.

 I need a web based software to monitor my team's activities.
 Each member goes on various training programs and handles various tasks.
 Have to monitor their tasks and activities.

 Shall I go for drupal?


Take a look at open atrium, it is a collaboration tool built on the top of
drupal 6. It has calender, events, blogs, documents, shout (like tweet) and
messaging.

http://openatrium.com/



-- 
Sivaji
+91 9941 571 690
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[Ilugc] starting services in ubuntu

2010-10-19 Thread Shrinivasan T
Friends.

As I know, all the services in the linux are in /etc/init.d

To start any service, we can do
/etc/init.d/servie name start

But, in recent days, it seems like ubuntu is changing this.

see the results here.


starting apache:

shriniva...@shrinivasan-laptop:~$ sudo /etc/init.d/apache2 start
[sudo] password for shrinivasan:
 * Starting web server apache2
  httpd (pid 3529) already running


starting mysql :

shriniva...@shrinivasan-laptop:~$ sudo /etc/init.d/mysql start
Rather than invoking init scripts through /etc/init.d, use the service(8)
utility, e.g. service mysql start

Since the script you are attempting to invoke has been converted to an
Upstart job, you may also use the start(8) utility, e.g. start mysql
shriniva...@shrinivasan-laptop:~$ sudo start mysql
start: Job is already running: mysql


Why is there a different in starting apahe and mysql in the same machine?





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Re: [Ilugc] starting services in ubuntu

2010-10-19 Thread Nagappan Alagappan
Hi Shrinivasan,

On Tue, Oct 19, 2010 at 11:04 AM, Shrinivasan T tshriniva...@gmail.comwrote:

 Friends.

 As I know, all the services in the linux are in /etc/init.d

 To start any service, we can do
 /etc/init.d/servie name start

 But, in recent days, it seems like ubuntu is changing this.

 see the results here.


 starting apache:

 shriniva...@shrinivasan-laptop:~$ sudo /etc/init.d/apache2 start
 [sudo] password for shrinivasan:
  * Starting web server apache2
  httpd (pid 3529) already running


 starting mysql :

 shriniva...@shrinivasan-laptop:~$ sudo /etc/init.d/mysql start
 Rather than invoking init scripts through /etc/init.d, use the service(8)
 utility, e.g. service mysql start

 Since the script you are attempting to invoke has been converted to an
 Upstart job, you may also use the start(8) utility, e.g. start mysql
 shriniva...@shrinivasan-laptop:~$ sudo start mysql
 start: Job is already running: mysql


 Why is there a different in starting apahe and mysql in the same machine?


Ubuntu guys are giving that for backward compatibility and for some of the
services, if you start with /etc/init.d/service name start, you will get a
warning, start it with service. I don't remember the service name, right
now.

Thanks
Nagappan






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Linux Desktop (GUI Application) Testing Project -
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[Ilugc] {Tip] List your installed packages.

2010-10-19 Thread Tha.Suresh
'wajig' is the nice tool for see the list of all Installed packages,
List out your installed packages.

$ wajig list

 For more info:

$ wajig list-commands
$ wajig -v commands
$ wajig help

following wajig commands are give some more details about your
installed packages,

sizes  Print out the size (in K) of all, or listed, installed packages
snapshot   Generates list of package=version for all installed packages
list   List the status and description of installed packages
list-all   List a one line description of given or all packages

List your largest installed packages:

$ wajig large

:-)
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Re: [Ilugc] Giving life to ilugc wiki

2010-10-19 Thread Ashish Verma


 Conclusions arrived:
 * The site will be used for structured content and will continue in present
 state.
 * Wiki will be used for collaborative works among ILUGC members
 * Mediawiki will be reinstalled with the latest stable edition and anybody
 who registers will be allowed to create and edit pages.
 * SAG Arun will be the principal maintainer of wiki assisted by Shrini,
 Balachandar, myself, and Vignesh Nandhakumar.

 Full log of the meet can be got from
 http://csmit.org/docs/ilugc-irc-meet-2oct2010.txt

 --
 *அகிலன்* (Akilan R)
 (http://www.coding-aviator.blogspot.com)
 *I should have no use for a paradise in which I should be deprived of the
 right to prefer hell.*
  --Jean Rostand
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 http://www.ae.iitm.ac.in/mailman/listinfo/ilugc


Will this also be used to document some of procedures / configurations /
solution to issues, that are not commonly documented by the flavor provider
(like feora/debian etc)..


For e.g.
1. how to configure wi-fi on fedora?
2. Laptop does not recover when lid is opened

or does this kind of stuff goto FAQ?


Regards,
Ashish
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[Ilugc] {Job Opening} Release Manager Role L1 support

2010-10-19 Thread Ashish Verma
Hi,

Any one interested in working in the role of release manager can forward
their resume's to me. Its preferrably for 1-2 years of experience guys.
Candidate must have good understanding of Linux, Weblogic servers (on Linux)
and functioning of Java web applications. Please forward your resume's ASAP
preferably in a day or 2. The opening is in Gurgaon.

Regards,
Ashish
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Re: [Ilugc] Suggest a tool to monitor the team activities

2010-10-19 Thread Raja Subramanian
2010/10/19 Thyagarajan தியாகராஜன் citizenof...@gmail.com
 If you requirement is limited, have a look at http://teambox.com/ .

I just tried deploying teambox on my shared hosting provider
dreamhost.com.  After crossing the pain of hand installing several
dependency gems, I finally got it working.  Only to find that the
community edition of teambox is *severely* crippled to the point
that it's absolutely no use to anyone wanting to manage a 5-10
member team with moderate tasks/project complexity.

My 2 paisa.

- Raja
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Re: [Ilugc] starting services in ubuntu

2010-10-19 Thread Akilan R
On Tue, Oct 19, 2010 at 11:34 PM, Shrinivasan T tshriniva...@gmail.comwrote:

 Why is there a different in starting apahe and mysql in the same machine?


Both methods will work. The older method is provided for compatibility. Its
not just Ubuntu; now almost all systems are using Upstart instead of
sysvinit.

But Fedora is expected to replace Upstart with systemd in Fedora 15. See
this [1] for a good explanation of what a good init daemon should do.[very
long! And Ubuntu lovers like me should take things with a pinch of salt.
;-)]

[1]http://0pointer.de/blog/projects/systemd.html

-- 
*அகிலன்* (Akilan R)
(http://www.coding-aviator.blogspot.com)
*I should have no use for a paradise in which I should be deprived of the
right to prefer hell.*
  --Jean Rostand
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Re: [Ilugc] Giving life to ilugc wiki

2010-10-19 Thread Arun SAG
On Wed, Oct 20, 2010 at 4:11 AM, Ashish Verma ilu...@gmail.com wrote:



 For e.g.
 1. how to configure wi-fi on fedora?
 2. Laptop does not recover when lid is opened

 or does this kind of stuff goto FAQ?



IMO, not in FAQ. In that case our FAQ will become big :-). You can have
separate page for this kind of stuff. If you are free and willing to create
these kind of content please go ahead.


-- 
Arun S.A.G
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Re: [Ilugc] xfs_repair - need help / pointers to recover files from hard disk

2010-10-19 Thread Arun Khan
An update.

I was extremely lucky - the hard disk started co-operating [1] and I
was able to repair the XFS FS with xfs_check and xfs_repair.

The FS mounted w/o errors but started giving read errors after about
95% completion of rsync.
Thereafter, through multiple iterations of  xfs_check and xfs_repair
sessions I have been able to recover close to 99% of my files.

The HDD is definitely going back to WDC for replacement.

[1] this happened after I had already generated a RMA for it :)

-- Arun Khan
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