July 18th Friday #dgplug Session

Jul 18 #dgplug

Jul 18 18:33:18 <chandankumar>	<----- SESSION START --------->
Jul 18 18:33:24 <chandankumar>	Roll Call
Jul 18 18:33:28 <anuj>	Anuj Bansal
Jul 18 18:33:28 <sivteck>	Sivaram Balakrishnan
Jul 18 18:33:30 <CuriousLearner>	Sanyam Khurana
Jul 18 18:33:31 <humpty>	ashwani
Jul 18 18:33:32 <umeshs>	Umesh Sharnagat
Jul 18 18:33:35 <donniezazen>	sudhir khanger
Jul 18 18:33:36 <lixxz>	Yasharth
Jul 18 18:33:37 <iamviknesh>	Vikneshwar
Jul 18 18:33:37 <amit001>	Amit tripathi
Jul 18 18:33:43 <shilpi>	shilpi shukla
Jul 18 18:33:43 <heena>	Heena Kaushar
Jul 18 18:33:44 <papiya>	Papiya Sen
Jul 18 18:33:45 <ace139>	Soumyo Dey
Jul 18 18:33:49 <jaba>	Athira S
Jul 18 18:33:50 <dev212>	Dhanya N.
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Jul 18 18:34:14 <kundan>	kundan chourasiya
Jul 18 18:34:24 <chandankumar>	jaba, dev212 Please write your full name during Roll Call.
Jul 18 18:34:25 <satarupa>	Satarupa Sinha
Jul 18 18:34:38 <silentSae>	amir
Jul 18 18:34:40 <surabhi>	Surabhi
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Jul 18 18:34:57 <vk_>	vishwamitra kala
Jul 18 18:34:59 <azharh>	  Azhar Hussain
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Jul 18 18:35:15 <vipsy>	Vipul Bansal
Jul 18 18:35:16 <Jupiter>	Amrutha
Jul 18 18:35:26 <m4_15>	Mahendra Yadav
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Jul 18 18:35:33 <kanika04>	kanika narang
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Jul 18 18:35:56 <jaba>	chandankumar:  My name Athira S
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Jul 18 18:35:58 <vivek->	Vivek Jhaver
Jul 18 18:36:02 <dhritishikhar_>	Dhriti Shikhar
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Jul 18 18:36:23 <dev212>	chandankumar: My full name is Dhanya N
Jul 18 18:36:27 <chandankumar>	ok
Jul 18 18:36:38 <bnprk>	Binay Pareek
Jul 18 18:36:44 <thejaman>	Thejazeto
Jul 18 18:36:59 *	sree is now known as Mactoc
Jul 18 18:37:02 <Mactoc>	Sreedevi
Jul 18 18:37:08 <chandankumar>	Today we are going to do a revision of this week classes.
Jul 18 18:37:34 <chandankumar>	Any questions from the previous classes.
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Jul 18 18:37:45 <Sparking>	Bhargav Patel
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Jul 18 18:38:26 <chandankumar>	if you have questions, please shoot.
Jul 18 18:39:00 <CuriousLearner>	!
Jul 18 18:39:07 <chandankumar>	next
Jul 18 18:39:07 <batul>	CuriousLearner please ask your question.
Jul 18 18:39:10 <Prash_542>	!
Jul 18 18:39:37 <amit001>	!
Jul 18 18:39:37 <CuriousLearner>	In the mercurial doc, the last step is written "Now you can also create a file at .hg/hgrc so that you can just push/pull from you repository easily.:
Jul 18 18:39:38 <CuriousLearner>	[paths]
Jul 18 18:39:38 <CuriousLearner>	default = ssh://[email protected]/kushaldas/myproject
Jul 18 18:39:38 <CuriousLearner>	" unable to figure out how to do this
Jul 18 18:39:45 <CuriousLearner>	<eof>
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Jul 18 18:41:08 <chandankumar>	CuriousLearner, you have to create your own account on bitbucket and add ssh key there
Jul 18 18:41:19 <CuriousLearner>	chandankumar, already done that
Jul 18 18:41:28 <CuriousLearner>	then pushed the code written on the repo
Jul 18 18:41:33 <CuriousLearner>	<eof>
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Jul 18 18:41:56 <chandankumar>	CuriousLearner, what is your question?
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Jul 18 18:42:40 <leero9>	Session started ?
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Jul 18 18:43:04 <chandankumar>	CuriousLearner, you have to do vim .hg/hgrc in project directory
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Jul 18 18:43:13 <chandankumar>	and put the contents there
Jul 18 18:43:16 <azharh>	CuriousLearner, in the previous step you had to add the path after hg push , after you make this default path "hg push" is enough
Jul 18 18:43:17 <CuriousLearner>	Here: http://summertraining.readthedocs.org/en/latest/mercurial.html, in the last step it says, now we can create our own .hg/hgrc ...    I'm asking how to do that, unable to figure out, also, won't this hgrc would be same as our local one which would be pushed <eof>
Jul 18 18:43:19 <chandankumar>	leero9, yes
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Jul 18 18:44:02 <Mactoc>	leero9:yes
Jul 18 18:44:41 <chandankumar>	CuriousLearner, yes
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Jul 18 18:44:59 <CuriousLearner>	ok, got it.
Jul 18 18:45:03 <chandankumar>	next
Jul 18 18:45:04 <batul>	Prash_542 please ask your question.. amit001 you are next. Get ready with your question.
Jul 18 18:45:06 <Prash_542>	Please explain logging in to our account through ssh using RSA key. It is just asking me account password not RSA key even after copying pub file
Jul 18 18:45:52 <Prash_542>	<eof>
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Jul 18 18:46:13 <iamviknesh>	CuriousLearner: once you add that to hgrc , you can do hg push to push the changes to your repo in bitbucket
Jul 18 18:46:36 <sayan>	Prash_542, afaik it would keep asking the password
Jul 18 18:46:40 <iamviknesh>	can anyone correct me if i am wrong :P
Jul 18 18:47:00 <chandankumar>	Prash_542, you can easily login to the account using ssh <username>@<ip of the machine>
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Jul 18 18:47:30 <Prash_542>	chandankumar,Ok. But how to use RSA key to login?
Jul 18 18:47:34 <sayan>	CuriousLearner, we have told a lot of times to use a single .
Jul 18 18:47:35 <chandankumar>	when you tries to login it captures the figureprint and stores in .ssh/known_host
Jul 18 18:47:39 <chandankumar>	check this file
Jul 18 18:48:14 <chandankumar>	When you generate the sshkey , you get a fingerprint.
Jul 18 18:48:36 <Prash_542>	chandankumar there is only id_rsa.pub file in that folder.
Jul 18 18:49:00 <CuriousLearner>	sorry sayan ! won't do next time, promise.
Jul 18 18:49:28 <chandankumar>	Prash_542, http://news.softpedia.com/news/How-to-Use-RSA-Key-for-SSH-Authentication-38599.shtml
Jul 18 18:50:16 <Prash_542>	chandankumar,Ok. I will try.
Jul 18 18:50:16 <Prash_542>	<eof>
Jul 18 18:50:23 <chandankumar>	Prash_542, this will be created only when you tried to login into another machine
Jul 18 18:50:43 *	packo ([email protected]) has left #dgplug ("http://quassel-irc.org - Chat comfortably. Anywhere.")
Jul 18 18:50:49 <chandankumar>	i.e. other than host machine by using your host terminal
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Jul 18 18:51:05 <Prash_542>	chandankumar,Got it.
Jul 18 18:51:09 <chandankumar>	next
Jul 18 18:51:10 <batul>	amit001 please ask your question.
Jul 18 18:51:20 <amit001>	Sorry, no question. That was a mistake.
Jul 18 18:51:27 <chandankumar>	next
Jul 18 18:51:28 <batul>	No one is in queue.
Jul 18 18:51:55 <chandankumar>	anybody have any questions from mercurial and sshkey?
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Jul 18 18:52:44 <chandankumar>	i hope everybody have created their bitbucket account
Jul 18 18:53:01 <chandankumar>	Now oen task right now,
Jul 18 18:53:22 <chandankumar>	upload your about.rst file to your bitbucket account.
Jul 18 18:53:29 <chandankumar>	will you do that?
Jul 18 18:55:18 <amit001>	chandankumar: I don't have access to computer.
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Jul 18 18:55:27 <chandankumar>	amit001, ok
Jul 18 18:55:44 <chandankumar>	Any questions from mercurial?
Jul 18 18:56:11 <chandankumar>	Everybody please go through this: http://mercurial.selenic.com/wiki/UnderstandingMercurial
Jul 18 18:56:37 <leero9>	!
Jul 18 18:56:40 <chandankumar>	next
Jul 18 18:56:40 <batul>	leero9 please ask your question.
Jul 18 18:56:45 <leero9>	Roll call over ?
Jul 18 18:56:49 <chandankumar>	leero9, yes
Jul 18 18:57:35 <CuriousLearner>	chandankumar, don't have rST now, can I upload it later please <eof>
Jul 18 18:57:43 <chandankumar>	CuriousLearner, ok
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Jul 18 18:58:21 <RakRock>	!
Jul 18 18:58:27 <leero9>	Same as amit
Jul 18 18:58:45 <chandankumar>	next
Jul 18 18:58:46 <batul>	RakRock please ask your question.
Jul 18 18:58:48 <leero9>	No access to computer
Jul 18 18:59:05 <chandankumar>	how many have no access to computer?
Jul 18 18:59:21 <leero9>	Me
Jul 18 18:59:24 <amit001>	Me
Jul 18 18:59:34 <shrees>	Me
Jul 18 19:00:00 <Sparking>	Me
Jul 18 19:00:14 <chandankumar>	next time please be present with your computer in the class.
Jul 18 19:00:15 <abhiram_rk>	I'm doing it.
Jul 18 19:00:20 <RakRock>	I have created a bitbucket account, but I am not sure how to attach any file to bitbucket
Jul 18 19:00:54 <chandankumar>	Today we are going to learn how to write shell script.
Jul 18 19:01:24 <humpty>	!
Jul 18 19:01:34 <chandankumar>	Every shell script file ends with .sh file extension.
Jul 18 19:01:36 <chandankumar>	next
Jul 18 19:01:37 <batul>	humpty please ask your question.
Jul 18 19:01:41 <humpty>	chandankumar, was there a class yesterday also?
Jul 18 19:01:49 <chandankumar>	humpty, no
Jul 18 19:02:17 <humpty>	chandankumar, then when were we asked to make the bitbucket account?
Jul 18 19:02:32 <chandankumar>	for example hello.sh is a shell script.
Jul 18 19:02:33 *	kundan has quit (Ping timeout: 240 seconds)
Jul 18 19:02:41 <humpty>	i went through the logs, it was not there.
Jul 18 19:02:44 <chandankumar>	ok
Jul 18 19:03:01 *	acetakwas_ needs an answer to humpty's question
Jul 18 19:03:14 <titli>	!
Jul 18 19:03:32 <CuriousLearner>	acetakwas_, humpty It was there in the mercurial doc, which kushal said that would be uploaded soon and we have to keep checking.
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Jul 18 19:03:43 <thejaman>	humpty, the day mercurial was taught!
Jul 18 19:03:43 <chandankumar>	next
Jul 18 19:03:44 <batul>	titli please ask your question.
Jul 18 19:04:10 <titli>	 I am stuck in my college till now, I had classes until 6:30 Is it ok if I read the logs after I reach home and discuss at night?
Jul 18 19:04:11 <humpty>	CuriousLearner, ok. i didn't see that!
Jul 18 19:04:21 <chandankumar>	ok
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Jul 18 19:04:54 <chandankumar>	open a file hello.sh in vim editor
Jul 18 19:05:10 <chandankumar>	when you are done, please respond with yes or no?
Jul 18 19:05:15 <chandankumar>	*.
Jul 18 19:05:31 <RakRock>	yes
Jul 18 19:05:33 <dhritishikhar_>	yes
Jul 18 19:05:34 <Prash_542>	Done
Jul 18 19:05:35 <humpty>	yes
Jul 18 19:05:37 <azharh>	yes
Jul 18 19:05:37 <jaba>	yes
Jul 18 19:05:40 <CuriousLearner>	yes
Jul 18 19:05:56 <kanika04>	yes
Jul 18 19:05:57 <anuj>	yes
Jul 18 19:06:01 *	sree is now known as Mactoc
Jul 18 19:06:02 <Mactoc>	yes
Jul 18 19:06:05 <thejaman>	yes
Jul 18 19:06:06 <surabhi>	done
Jul 18 19:06:08 <satarupa>	yes
Jul 18 19:06:11 <chandankumar>	write  there echo "This is my first shell script"
Jul 18 19:06:13 <m4_15_>	yes
Jul 18 19:06:20 <chandankumar>	after that save and close that file
Jul 18 19:06:22 <abhiram_rk>	!
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Jul 18 19:06:26 <chandankumar>	next
Jul 18 19:06:27 <batul>	abhiram_rk please ask your question.
Jul 18 19:06:28 <dev212>	yes
Jul 18 19:06:35 <humpty>	!
Jul 18 19:06:36 <lixxz>	done
Jul 18 19:06:41 <abhiram_rk>	net is slow. I am still creating bitbucket repo
Jul 18 19:06:47 <abhiram_rk>	should i do that and then continue
Jul 18 19:06:48 <abhiram_rk>	?
Jul 18 19:06:51 <Mactoc>	done
Jul 18 19:06:51 <gnovi>	done
Jul 18 19:06:56 <acetakwas_>	done
Jul 18 19:07:00 <chandankumar>	abhiram_rk, create later on.
Jul 18 19:07:01 <Prash_542>	done
Jul 18 19:07:02 <chandankumar>	next
Jul 18 19:07:02 <batul>	humpty please ask your question.
Jul 18 19:07:04 <humpty>	chandankumar, what do you mean by "echo"
Jul 18 19:07:09 <abhiram_rk>	Okay.
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Jul 18 19:07:30 <jaba>	done
Jul 18 19:07:34 <chandankumar>	humpty, do man echo
Jul 18 19:07:46 <chandankumar>	humpty, and tell what does it mean?
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Jul 18 19:08:18 <abhiram_rk>	done
Jul 18 19:08:32 <humpty>	it is saying - display a line of text.
Jul 18 19:08:36 <chandankumar>	echo  is a shell command used to display text or a line of text
Jul 18 19:08:49 <chandankumar>	now we are going to run that shell script
Jul 18 19:08:53 <Sparking>	done
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Jul 18 19:09:05 <chandankumar>	in your terminal do sh hello.sh
Jul 18 19:09:06 <lixxz>	humpty,  you can type that directly in shell too
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Jul 18 19:09:29 <chandankumar>	lixxz, yes
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Jul 18 19:09:44 <chandankumar>	you will the output
Jul 18 19:09:56 <humpty>	lixxz, okay!
Jul 18 19:10:07 <humpty>	chandankumar, got it!
Jul 18 19:10:11 <chandankumar>	Suppose you have to execute say 5 or 10 commands serially
Jul 18 19:10:18 <acetakwas_>	done
Jul 18 19:10:33 <gnovi>	got it
Jul 18 19:10:43 <chandankumar>	then we can simply write all the command in a shell script and execute or pass it to some one
Jul 18 19:11:10 <chandankumar>	Next we are going to learn how to define a variable in shell script
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Jul 18 19:12:39 <chandankumar>	try this http://paste.fedoraproject.org/119021/05690948
Jul 18 19:12:46 <papiya>	"""""""""""""""""""""
Jul 18 19:12:49 <chandankumar>	in the same file
Jul 18 19:12:55 <chandankumar>	and execute it
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Jul 18 19:13:32 <lixxz>	done
Jul 18 19:13:49 <Prash_542>	done
Jul 18 19:13:55 <lixxz>	!
Jul 18 19:14:02 <dhritishikhar_>	done
Jul 18 19:14:11 <vipsy>	done
Jul 18 19:14:13 <gnovi>	done
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Jul 18 19:14:24 <chandankumar>	suppose we have to pass command as a value to a variable we can just use tilt sign.
Jul 18 19:14:26 <chandankumar>	next
Jul 18 19:14:27 <batul>	lixxz please ask your question.
Jul 18 19:14:29 <lixxz>	why $ ?
Jul 18 19:14:29 <abhi_poo>	!
Jul 18 19:14:50 <iamviknesh>	done
Jul 18 19:15:01 <satarupa>	done
Jul 18 19:15:04 <iamviknesh>	lixxz: $ used to create a variable
Jul 18 19:15:08 <dev212>	done
Jul 18 19:15:30 <lixxz>	but variable is already created
Jul 18 19:15:30 <Mactoc>	done
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Jul 18 19:15:34 <iamviknesh>	sorry refer a variablee
Jul 18 19:15:43 <iamviknesh>	lixxz: ^^
Jul 18 19:15:48 <abhiram_rk>	$ allows the shell to recognize a variable
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Jul 18 19:16:03 <chandankumar>	good
Jul 18 19:16:06 <chandankumar>	next
Jul 18 19:16:06 <batul>	abhi_poo please ask your question.
Jul 18 19:16:08 <abhi_poo>	Can someone please pm me the log till now ?
Jul 18 19:16:29 <abhi_poo>	Got late coming home from college
Jul 18 19:16:34 <chandankumar>	try this
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Jul 18 19:16:50 <chandankumar>	DIR=`pwd`
Jul 18 19:16:57 <chandankumar>	echo $DIR
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Jul 18 19:17:18 <iamviknesh>	will display the present working directory :)
Jul 18 19:17:21 <chandankumar>	try the above two statement in your same file
Jul 18 19:17:33 <acetakwas_>	!
Jul 18 19:17:42 <chandankumar>	iamviknesh, try it with quotes instead of tilt.
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Jul 18 19:17:46 <chandankumar>	next
Jul 18 19:17:46 <batul>	acetakwas_ please ask your question.
Jul 18 19:18:02 <gnovi>	output is pwd
Jul 18 19:18:14 <acetakwas_>	chandankumar, what is the 'tilt' used for exactly?
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Jul 18 19:18:29 <azharh>	gnovi, ` not '
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Jul 18 19:18:37 <abhiram_rk>	tilt allows the shell to evaluate the expression acetakwas_
Jul 18 19:18:55 <chandankumar>	acetakwas_, check the symbol over tab key in keyboard
Jul 18 19:18:56 <abhiram_rk>	otherwise it will just be considered as a string
Jul 18 19:19:35 <chandankumar>	acetakwas_, it is used to tell that parameter passed is a command
Jul 18 19:19:50 <gnovi>	@azharh, oops.. thank you
Jul 18 19:20:01 <abhi_poo>	Got it , thanks.
Jul 18 19:20:22 <acetakwas_>	okay, thanks <eof>
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Jul 18 19:20:55 <dev212>	gnovi: just try typing $DIR in the shell
Jul 18 19:21:44 <gnovi>	DIR: command not found
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Jul 18 19:22:10 <iamviknesh>	gonvi dont use space between =
Jul 18 19:22:17 <RakRock>	`pwd` and "pwd" works as expeted
Jul 18 19:22:51 <chandankumar>	so everybody try this
Jul 18 19:22:52 <chandankumar>	http://paste.fedoraproject.org/119025/56915531
Jul 18 19:22:53 <iamviknesh>	DIR=`pwd` not DIR = `pwd`
Jul 18 19:22:58 <chandankumar>	in a new file
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Jul 18 19:24:03 <iamviknesh>	did
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Jul 18 19:24:05 <abhiram_rk>	!
Jul 18 19:24:20 <abhiram_rk>	Done.
Jul 18 19:24:23 <chandankumar>	now you find a simple shell script in your home directory
Jul 18 19:24:30 <chandankumar>	next
Jul 18 19:24:31 <batul>	abhiram_rk please ask your question.
Jul 18 19:24:31 <gnovi>	@chandankumar, It gave hostname, username, date and time
Jul 18 19:24:38 <chandankumar>	gnovi, yes
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Jul 18 19:24:58 <abhiram_rk>	Why is IST echoed twice?
Jul 18 19:25:06 <chandankumar>	gnovi, in this way you can create your own shell script
Jul 18 19:25:30 <abhiram_rk>	In the output.
Jul 18 19:25:35 <RakRock>	done
Jul 18 19:25:41 <gnovi>	@chandankumar, great, thanks a lot
Jul 18 19:25:41 <chandankumar>	abhiram_rk, in your it is showing once time
Jul 18 19:26:00 <chandankumar>	abhiram_rk, check the file.
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Jul 18 19:26:08 <chandankumar>	one question
Jul 18 19:26:26 <chandankumar>	Which command is used to see hidden files?
Jul 18 19:26:31 <abhiram_rk>	Yeah it says %r and %Z
Jul 18 19:26:35 <abhiram_rk>	ls -al
Jul 18 19:26:38 <dhritishikhar_>	ls -la
Jul 18 19:26:50 <amit001>	ls -a
Jul 18 19:26:59 <azharh>	ls -al | grep .
Jul 18 19:26:59 <chandankumar>	ok
Jul 18 19:27:00 <RakRock>	ls -a
Jul 18 19:27:05 <humpty>	ls -al
Jul 18 19:27:13 <chandankumar>	do ls -a
Jul 18 19:27:21 *	abhiram_rk admires the flexibility of Linux.
Jul 18 19:27:22 <chandankumar>	you will see a file .bashrc
Jul 18 19:27:22 <leero9>	Ls -al
Jul 18 19:27:32 <chandankumar>	this is also a shell script
Jul 18 19:27:42 <chandankumar>	which is already present in your system
Jul 18 19:28:08 <chandankumar>	is it there?
Jul 18 19:28:13 <abhiram_rk>	yes
Jul 18 19:28:13 <chandankumar>	http://superuser.com/questions/49289/what-is-the-bashrc-file
Jul 18 19:28:15 <dhritishikhar_>	yes
Jul 18 19:28:15 <humpty>	yes
Jul 18 19:28:22 <chandankumar>	read the above link
Jul 18 19:28:33 *	shrees has quit (Ping timeout: 240 seconds)
Jul 18 19:28:35 <CuriousLearner>	yes
Jul 18 19:28:35 *	sant0sh has quit (Ping timeout: 250 seconds)
Jul 18 19:28:41 <RakRock>	Yes
Jul 18 19:28:47 <dev212>	yes
Jul 18 19:28:55 <gnovi>	no
Jul 18 19:28:56 <Mactoc>	!
Jul 18 19:29:12 <Prash_542>	yes
Jul 18 19:29:41 <chandankumar>	next
Jul 18 19:29:41 <batul>	Mactoc please ask your question.
Jul 18 19:29:46 <Mactoc>	Why we are not using tilt sign for "date"?
Jul 18 19:30:10 <chandankumar>	Mactoc, we have directly called the command there
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Jul 18 19:30:41 <abhiram_rk>	`<expression>` gets evaluated by the shell
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Jul 18 19:31:36 <chandankumar>	Mactoc, experiment with the variable you will get more things
Jul 18 19:31:55 <Mactoc>	We are assigning it to RIGHT_NOW right?
Jul 18 19:32:00 <chandankumar>	yes
Jul 18 19:32:29 <magzter>	!
Jul 18 19:32:38 <chandankumar>	next
Jul 18 19:32:39 <batul>	magzter please ask your question.
Jul 18 19:32:40 <Mactoc>	so we should use tilt sign for date right?
Jul 18 19:32:51 <chandankumar>	Mactoc, try it
Jul 18 19:32:59 <magzter>	Date and Time
Jul 18 19:33:00 <magzter>	host.sh: line 6: unexpected EOF while looking for matching `"'
Jul 18 19:33:00 <magzter>	host.sh: line 8: syntax error: unexpected end of file
Jul 18 19:33:23 <magzter>	ok got he answer
Jul 18 19:33:47 <gnovi>	it gave date and time
Jul 18 19:34:11 <chandankumar>	http://www.linuxcommand.org/writing_shell_scripts.php
Jul 18 19:34:19 <chandankumar>	everybody please through this
Jul 18 19:34:33 <magzter>	!
Jul 18 19:34:45 <chandankumar>	next
Jul 18 19:34:46 <batul>	magzter please ask your question.
Jul 18 19:34:48 <magzter>	Date and Time
Jul 18 19:34:48 <magzter>	host.sh: line 6: fg: no job control
Jul 18 19:35:02 <chandankumar>	magzter, use pastebib
Jul 18 19:35:03 *	biraj has quit (Ping timeout: 240 seconds)
Jul 18 19:35:06 <chandankumar>	*pastebin
Jul 18 19:35:20 <chandankumar>	magzter, can you share your script?
Jul 18 19:35:32 <chandankumar>	have you tried info command?
Jul 18 19:35:34 <magzter>	sorry next time i will use it
Jul 18 19:35:39 <magzter>	no
Jul 18 19:35:49 <chandankumar>	this question is for all
Jul 18 19:35:53 <chandankumar>	do man man
Jul 18 19:35:55 <chandankumar>	then
Jul 18 19:36:00 <chandankumar>	do man info
Jul 18 19:36:05 <chandankumar>	and then check
Jul 18 19:36:07 <chandankumar>	man ls
Jul 18 19:36:10 <chandankumar>	info ls
Jul 18 19:36:16 <chandankumar>	and tell me the difference
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Jul 18 19:37:42 <chandankumar>	anybody?
Jul 18 19:37:56 <RakRock>	info is slightly exhaustive and explain information in detail
Jul 18 19:37:57 *	vj_ has quit (Ping timeout: 240 seconds)
Jul 18 19:38:04 <abhiram_rk>	man gives the user commands
Jul 18 19:38:13 <chandankumar>	RakRock, yes
Jul 18 19:38:20 <abhiram_rk>	whereas info gives how it works
Jul 18 19:38:30 <RakRock>	but man gives crisp definitions and and gives summary of all the available options
Jul 18 19:38:34 <humpty>	yes, info is more informative!
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Jul 18 19:38:40 <gnovi>	info gives all the details
Jul 18 19:38:43 <chandankumar>	good
Jul 18 19:38:49 <humpty>	but man is short description
Jul 18 19:38:50 <Mactoc>	man describes the use of command in one line
Jul 18 19:38:57 <chandankumar>	try bc command in your terminal
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Jul 18 19:39:11 <dev212>	man ls show varieties of ls commands which can be used for different purpose and info ls tells definition and information about the ls command
Jul 18 19:39:19 <dhritishikhar_>	man is manual of how to use that command..
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Jul 18 19:39:24 <jaba>	info gives more detailed information about the command
Jul 18 19:39:29 <chandankumar>	it will invoke a calculator
Jul 18 19:39:45 <RakRock>	yes
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Jul 18 19:40:06 <chandankumar>	you can try that calculator in your terminal without opening any calculator
Jul 18 19:40:20 <chandankumar>	in linux there are lots of commands
Jul 18 19:40:47 <gnovi>	great
Jul 18 19:40:52 <chandankumar>	Now some more commands
Jul 18 19:40:54 <chandankumar>	try
Jul 18 19:40:57 <chandankumar>	uptime
Jul 18 19:41:08 <Mactoc>	yes we can calculate :)
Jul 18 19:41:34 <kanika04>	how to get out of this calculator ?
Jul 18 19:41:35 <gnovi>	19:41:20 up  2:13,  2 users,  load average: 0.00, 0.05, 0.11
Jul 18 19:41:52 <gnovi>	what does this load average mean?
Jul 18 19:41:56 <dhritishikhar_>	kanika04, press "ctrl+c"
Jul 18 19:42:07 <lixxz>	or simply type quit
Jul 18 19:42:13 <silentSae>	kanika04, or type quit
Jul 18 19:42:20 <gnovi>	@kanika04, type quit
Jul 18 19:42:24 <kanika04>	ok thanks :D
Jul 18 19:42:42 <abhiram_rk>	gnovi: Do man uptime
Jul 18 19:42:46 <iamviknesh>	basically man is a traditional way of manual for linux , where info is mainly used in GNU project http://goo.gl/llrNrW
Jul 18 19:42:47 *	leero9 has quit (Ping timeout: 250 seconds)
Jul 18 19:42:52 <chandankumar>	abhiram_rk, good
Jul 18 19:43:12 <chandankumar>	you can try df command to check space in your system
Jul 18 19:43:28 <SpeedBus>	can try top / htop to see the CPU usage
Jul 18 19:43:50 <chandankumar>	SpeedBus, try this
Jul 18 19:43:54 <gnovi>	@abhiram_rk, thank you
Jul 18 19:43:56 *	iamviknesh loves the power of command line  ;)
Jul 18 19:43:57 <chandankumar>	in your terminal
Jul 18 19:44:05 <SpeedBus>	yep
Jul 18 19:44:15 <chandankumar>	SpeedBus, top is the command
Jul 18 19:44:32 <SpeedBus>	yep
Jul 18 19:44:34 <gnovi>	I was terribly afraid of this command line. Now feeling happy :) :)
Jul 18 19:44:45 <chandankumar>	SpeedBus, top will display more info with all the processes running and its pid
Jul 18 19:44:55 <SpeedBus>	htop works as well, but need to install it seprately, it shows each cpu core info
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Jul 18 19:45:18 <chandankumar>	SpeedBus, i need to install it also.
Jul 18 19:45:29 <abhiram_rk>	Should we install it?
Jul 18 19:45:36 <chandankumar>	abhiram_rk, you can
Jul 18 19:45:40 <abhiram_rk>	Cool
Jul 18 19:45:54 <chandankumar>	please remember to use ! for asking question
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Jul 18 19:46:08 <SpeedBus>	here's a screenshot from one of the server nodes : http://i.imgur.com/9DXlQ9d.png
Jul 18 19:46:08 *	abhiram_rk says sorry.
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Jul 18 19:46:26 <chandankumar>	SpeedBus, :)
Jul 18 19:47:25 <humpty>	SpeedBus, what is pid in this screenshot?
Jul 18 19:47:30 <chandankumar>	try this
Jul 18 19:47:43 <chandankumar>	pid --> process id
Jul 18 19:47:46 <iamviknesh>	each process has a id called pid
Jul 18 19:47:49 <chandankumar>	sudo du -s /home/*
Jul 18 19:47:50 <abhiram_rk>	humpty: Pid = process id, a unique id
Jul 18 19:47:57 <chandankumar>	try the above command
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Jul 18 19:48:15 <humpty>	abhiram_rk , ok
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Jul 18 19:48:56 <RakRock>	Think it gives the available free space  ?
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Jul 18 19:49:43 <sivteck>	RakRock: it gives disk usage for each file in a directory
Jul 18 19:49:51 <chandankumar>	try command netstat
Jul 18 19:50:04 <iamviknesh>	it gives the file size , i think
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Jul 18 19:50:25 <lixxz>	man du
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Jul 18 19:50:40 <chandankumar>	try ifconfig
Jul 18 19:51:10 <RakRock>	ifconfig gives the interface info along with the configured ip address
Jul 18 19:51:21 <iamviknesh>	yeah :)
Jul 18 19:51:29 <RakRock>	Doest netstat show the list of all sockets open ?
Jul 18 19:51:31 <acetakwas_>	and the data usage
Jul 18 19:51:48 <chandankumar>	RakRock, yes
Jul 18 19:51:55 <RakRock>	cool, thanks
Jul 18 19:51:56 <chandankumar>	not data usage
Jul 18 19:52:18 <acetakwas_>	It shows transferred bytes
Jul 18 19:52:28 <chandankumar>	you can try uname -a
Jul 18 19:52:43 <chandankumar>	to check which operating system you are using
Jul 18 19:52:47 <chandankumar>	and kernel version
Jul 18 19:52:56 <chandankumar>	done?
Jul 18 19:53:05 <dhritishikhar_>	yes
Jul 18 19:53:09 <Mactoc>	done
Jul 18 19:53:10 <sivteck>	done
Jul 18 19:53:12 <SpeedBus>	the issue with ifconfig is the network usage resets on reboot, so use something like vnstat :)
Jul 18 19:53:13 <kanika04>	yes
Jul 18 19:53:14 <satarupa>	yes
Jul 18 19:53:16 <dev212>	done
Jul 18 19:53:22 <silentSae>	done
Jul 18 19:53:23 <gnovi>	done
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Jul 18 19:53:32 <acetakwas_>	yes
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Jul 18 19:53:42 <amit001>	Done
Jul 18 19:53:46 <iamviknesh>	yeah
Jul 18 19:53:48 <chandankumar>	SpeedBus, awesome :)
Jul 18 19:53:54 <acetakwas_>	okay
Jul 18 19:54:01 <Sparking>	done
Jul 18 19:54:03 <CuriousLearner>	done
Jul 18 19:54:29 <Prash_542>	done
Jul 18 19:54:46 <chandankumar>	Today kushal  will come at 08:30 P.M. , he will be giving some home task for you.
Jul 18 19:54:50 <jaba>	done
Jul 18 19:54:54 <chandankumar>	any questions till now?
Jul 18 19:55:03 <kushal>	hopefully.
Jul 18 19:55:09 <abhiram_rk>	done
Jul 18 19:55:10 <abhiram_rk>	no
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Jul 18 19:55:54 <acetakwas_>	ok
Jul 18 19:56:18 <acetakwas_>	chandankumar, pm please (or should I ask kushal ?)
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Jul 18 19:56:29 <chandankumar>	acetakwas_, yes
Jul 18 19:56:50 <acetakwas_>	okay
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Jul 18 19:57:52 <chandankumar>	everybody install a command sl
Jul 18 19:57:59 <chandankumar>	sudo yum install sl
Jul 18 19:58:01 <chandankumar>	in fedora
Jul 18 19:58:42 <silentSae>	that is so cool!
Jul 18 19:58:56 <gnovi>	@chandankumar, done
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Jul 18 19:59:22 <jaba>	done
Jul 18 19:59:23 <chandankumar>	try sl in your terminal
Jul 18 19:59:27 <chandankumar>	and see the fun
Jul 18 19:59:42 <gnovi>	it is showing a train engine :) awesome
Jul 18 19:59:46 <Mactoc>	cool
Jul 18 19:59:48 <iamviknesh>	install cowsay or xcowsay :P
Jul 18 19:59:50 <Mactoc>	:)
Jul 18 20:00:05 <chandankumar>	there are lots of funny commands in linux
Jul 18 20:00:09 <chandankumar>	you can try later
Jul 18 20:00:22 <chandankumar>	sometime people just write wrong command
Jul 18 20:00:31 <chandankumar>	so they make some fun out of it
Jul 18 20:00:31 <jaba>	yeah its really cool
Jul 18 20:00:38 <chandankumar>	one example is this
Jul 18 20:01:08 <dev212>	awsome :)
Jul 18 20:01:38 <acetakwas_>	awesome!
Jul 18 20:01:47 <chandankumar>	have you tried grep command?
Jul 18 20:02:14 <RakRock>	yup
Jul 18 20:02:18 <acetakwas_>	no
Jul 18 20:02:19 <RakRock>	sorry, Yes
Jul 18 20:02:31 <chandankumar>	ok
Jul 18 20:02:32 <sivteck>	yes
Jul 18 20:02:44 <chandankumar>	try ps aux | grep root
Jul 18 20:03:05 <chandankumar>	what does "| " represents?
Jul 18 20:03:10 <sivteck>	pipe
Jul 18 20:03:12 <CuriousLearner>	pipe
Jul 18 20:03:13 <chandankumar>	good
Jul 18 20:03:15 <gnovi>	@iamviknesh, cowsay, its hanged
Jul 18 20:03:19 <RakRock>	pipe
Jul 18 20:03:29 <chandankumar>	iamviknesh, try later those commands
Jul 18 20:03:32 <abhiramrk_>	Pipe
Jul 18 20:03:42 <silentSae>	gnovi, ctrl + c
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Jul 18 20:03:53 <chandankumar>	the above is used to grep info for a particular process
Jul 18 20:04:14 <gnovi>	@silentSae, :) thanks
Jul 18 20:04:26 <chandankumar>	i hope everybody have fedora systems.
Jul 18 20:04:46 <silentSae>	ubuntu :|
Jul 18 20:04:49 <sivteck>	not me, sorry.
Jul 18 20:04:55 <acetakwas_>	Ubuntu
Jul 18 20:04:57 <Mactoc>	ubuntu
Jul 18 20:04:59 <RakRock>	Ubuntu
Jul 18 20:04:59 *	donniezazen has quit (Ping timeout: 250 seconds)
Jul 18 20:05:04 <chandankumar>	ok no problem
Jul 18 20:05:04 <papiya>	yes
Jul 18 20:05:09 <Prash_542>	i don't
Jul 18 20:05:10 <gnovi>	yup, but now I am om mint
Jul 18 20:05:30 <CuriousLearner>	yup, fedora :D
Jul 18 20:05:33 <iamviknesh>	gnovi: i used that a long ago , dint try now , just told to everyone :)
Jul 18 20:05:43 <lixxz>	both ubuntu and fedora
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Jul 18 20:07:14 <dev212>	ubuntu
Jul 18 20:07:32 <jaba>	 ubuntu
Jul 18 20:07:39 <chandankumar>	now we can try some addition in shell script
Jul 18 20:08:03 *	shrees has quit (Ping timeout: 240 seconds)
Jul 18 20:08:17 <chandankumar>	try this http://paste.fedoraproject.org/119046/40569428
Jul 18 20:08:35 <chandankumar>	and create your numeric expression using shell command
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Jul 18 20:09:25 <RakRock>	Hi ChandanKumar, I got to leave now. Please save the log and home work task from Kushal. I shall read it later during the day. Thanks <eom>
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Jul 18 20:09:32 <chandankumar>	RakRock, ok
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Jul 18 20:10:59 <abhiram_rk>	done!
Jul 18 20:11:00 <humpty>	!
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Jul 18 20:11:27 <CuriousLearner>	done
Jul 18 20:11:32 <chandankumar>	next
Jul 18 20:11:33 <batul>	humpty please ask your question.
Jul 18 20:11:35 <humpty>	chandankumar, but why would we do numeric expression using shell command?
Jul 18 20:12:30 <chandankumar>	humpty, it is a programming language,
Jul 18 20:12:45 <humpty>	ok
Jul 18 20:12:55 <gnovi>	@chandankumar, got to go. Will be on the channel throgh my cellphone
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Jul 18 20:13:24 <chandankumar>	so i am going to give  a small home work to you all.
Jul 18 20:13:41 <gnovi>	ok
Jul 18 20:13:54 <iamviknesh>	awesome :-D
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Jul 18 20:17:00 <acetakwas_>	so shell scripting appears to be whitespace sensitive
Jul 18 20:17:25 <lixxz>	yep
Jul 18 20:17:29 <iamviknesh>	acetakwas_: yeah :(
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Jul 18 20:18:14 <acetakwas_>	okay. I was getting errors at first
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Jul 18 20:19:48 *	humpty has quit (Ping timeout: 256 seconds)
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Jul 18 20:20:36 <kushal>	chandankumar, what is the small hometask?
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Jul 18 20:22:19 <chandankumar>	Write a shell script in a single file to show all the above information: http://paste.fedoraproject.org/119052/14056950
Jul 18 20:23:08 <CuriousLearner>	ok
Jul 18 20:23:13 <acetakwas_>	ok
Jul 18 20:23:26 *	praveenkumar (~praveenku@fedora/praveenkumar) has joined #dgplug
Jul 18 20:23:46 <chandankumar>	and push it your bitbucket account.
Jul 18 20:23:58 <abhiram_rk>	right
Jul 18 20:24:10 <CuriousLearner>	ok
Jul 18 20:24:12 <chandankumar>	kushal, given
Jul 18 20:24:31 <sivteck>	chandankumar: what is the difference? : "8> list all the connected external devices" && "10> list all the connected devices to your system"
Jul 18 20:25:17 <chandankumar>	sivteck, one question is repeated device
Jul 18 20:25:33 <sivteck>	twice?
Jul 18 20:25:42 <chandankumar>	sorry
Jul 18 20:25:47 <chandankumar>	silentSae, *twice
Jul 18 20:25:55 <sivteck>	ok thank you
Jul 18 20:25:59 <chandankumar>	please ignore one.
Jul 18 20:27:10 <chandankumar>	the above link is not permanent so, please save the link page somewhere in your system
Jul 18 20:27:16 <acetakwas_>	okay; sivteck +1
Jul 18 20:27:40 <acetakwas_>	done
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Jul 18 20:29:49 <chandankumar>	Roll Call
Jul 18 20:29:57 <sivteck>	Sivaram Balakrishnan
Jul 18 20:29:57 <bnprk>	Binay Pareek
Jul 18 20:29:59 <iamviknesh>	vikneshwar
Jul 18 20:30:00 <abhiram_rk>	Abhiram Ravikumar
Jul 18 20:30:01 <ace139>	Soumyo Dey
Jul 18 20:30:01 <satarupa>	Satarupa Sinha
Jul 18 20:30:03 <kanika04>	kanika narang
Jul 18 20:30:03 <Sparking>	Bhargav Patel
Jul 18 20:30:04 <Prash_542>	Prashant Surya
Jul 18 20:30:04 <lixxz>	Yasharth
Jul 18 20:30:05 <amit001>	Amit Tripathi
Jul 18 20:30:07 <papiya>	Papiya Sen
Jul 18 20:30:17 <azharh>	Azhar Hussain
Jul 18 20:30:18 <shilpi>	shilpi shukla
Jul 18 20:30:19 <magzter>	Mahendra Yadav
Jul 18 20:30:22 <korak1>	korak ghosh
Jul 18 20:30:28 <heena>	Heena Kaushar
Jul 18 20:30:43 *	chandankumar (Chandan_ku@nat/redhat/x-asewjkipkefsruwu) has left #dgplug ("Leaving")
Jul 18 20:30:53 <dev212>	Dhanya N
Jul 18 20:30:54 <jaba>	Athira S
Jul 18 20:30:56 *	chandankumar (Chandan_ku@nat/redhat/x-asewjkipkefsruwu) has joined #dgplug
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Jul 18 20:31:32 <surabhi>	surabhi
Jul 18 20:32:06 <acetakwas_>	Tosin Animashaun
Jul 18 20:32:06 <chandankumar>	<---- SESSION OVER----->
Jul 18 20:32:10 *	Mactoc (7b3f8a22@gateway/web/freenode/ip.123.63.138.34) has joined #dgplug
Jul 18 20:32:26 <sivteck>	chandankumar: thank you ;]
Jul 18 20:32:30 <umeshs>	Umesh Sharnagat
Jul 18 20:32:31 <Mactoc>	Sreedevi
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Jul 18 20:32:42 <chandankumar>	sivteck, welcome.
Jul 18 20:32:44 <acetakwas_>	so we should expect kushal's session?
Jul 18 20:33:06 <iamviknesh>	chandankumar: you told kushal will be giving some homework
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Jul 18 20:33:48 <kushal>	acetakwas_, not session but somehome task.
Jul 18 20:34:04 <CuriousLearner>	Thanks chandankumar
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Jul 18 20:34:26 <chandankumar>	CuriousLearner, np:)
Jul 18 20:34:37 *	abhiram_rk feels $sl is amazing!
Jul 18 20:37:48 <umeshs>	chandankumar in the link given above of calculator http://paste.fedoraproject.org/119046/40569428/ what i s the use of two brackets? I tried to remove one but getting an error. command not found
Jul 18 20:37:50 <acetakwas_>	okay
Jul 18 20:38:57 *	acetakwas_ is with abhiram_rk on this one ;)
Jul 18 20:39:37 *	acetakwas_ is now shutting down PC...
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Jul 18 20:43:09 <sivteck>	chandankumar: "4> pid of /root user" are there process ids for users?
Jul 18 20:43:16 <humpty>	can anybody tell me what all happened after 8.15 . i lost my internet connection after that and yes what homework is given?
Jul 18 20:43:26 <leero9>	Missed roll call twice  :(
Jul 18 20:43:44 <CuriousLearner>	leero9, me too :P
Jul 18 20:44:10 <CuriousLearner>	sometimes I receive messages late, result : roll call is already done :P
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Jul 18 20:44:58 <Prash_542>	chandankumar,can i push the homework tomorrow?
Jul 18 20:45:14 <kushal>	Prash_542, yes
Jul 18 20:45:18 <kushal>	Everyone ping
Jul 18 20:45:29 <humpty>	kushal, can you tell me what all happened after 8.15 . i lost my internet connection after that and yes what homework is given?
Jul 18 20:45:34 <CuriousLearner>	kushal, means?
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Jul 18 20:46:12 <kushal>	pingall: We want to blog 2 times in a week at least. Not mandatory but it will help you to make a good habit. We will be able to read them in the planet in one place.
Jul 18 20:46:13 <batul>	humpty, RohanRoy, surabhi_, Mactoc, fewcha, ani_stark, vipsy, dhritishikhar__, leero9, papiya, biraj, novice-coder12, silentSae, abhi_poo, Jupiter_, korak1, Prash_542, kanika04, heena, dev212, CuriousLearner, jaba, souradeep, satarupa, amit001, azharh, tonythomas, bnprk, stephdg, iamviknesh, lixxz, Armageddon, soumyaC, anuragkr, gajanan, sivteck, abhiram_rk, FoodCart42,
Jul 18 20:46:13 <batul>	Guest17779, mnw94, sagarkrkv, harshit93, Jackson_waartaa, ciypro|afk, liara, kanha, zer0c00l, oini, samikshan, toxboi`, shaon, kaustavdm, ayushraj, preludelinux, D4rk, ralsina, JCas_server, SpeedBus, digisec, @ChanServ, marienz, kdas
Jul 18 20:46:13 <batul>	we want to blog 2 times in a week at least. not mandatory but it will help you to make a good habit. we will be able to read them in the planet in one place.
Jul 18 20:46:30 <kushal>	humpty, sorry I do not have the log.
Jul 18 20:47:00 <humpty>	kushal, okay but what is the homework chandankumar was saying you would give us?
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Jul 18 20:47:27 <CuriousLearner>	ok :0
Jul 18 20:47:32 <azharh>	humpty, https://try.waartaa.com
Jul 18 20:48:00 <amit001>	Will do it after Monday
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Jul 18 20:48:50 <iamviknesh>	humpty: http://pastebin.com/MpExikh8
Jul 18 20:49:19 <Mactoc>	Ok
Jul 18 20:49:38 <humpty>	iamviknesh, thanks :)
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Jul 18 20:52:47 <kushal>	humpty, see, ask your friends
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Jul 18 20:55:32 *	CuriousLearner is going off now :)
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Jul 18 20:57:26 <humpty>	kushal, iamviknesh provided me with the required logs :)
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Jul 18 21:11:48 <chandankumar>	Everybody bye, Good Night , Happy Weekend/Learning :)
Jul 18 21:12:05 <humpty_>	chandankumar, can i get the logs!
Jul 18 21:12:20 <chandankumar>	humpty_, http://pastebin.com/MpExikh8
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Jul 18 21:14:28 <humpty>	chandankumar, ok
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