Re: [Ilugc] the vi editor

2012-06-20 Thread Balachandran Sivakumar
Hi, On Thu, Jun 21, 2012 at 9:32 AM, Girish Venkatachalam wrote: > > vipw, crontab -e all use vi > Not really. They use what evey $EDITOR is set to. > > They only know Ubuntu, Redhat or Suse or some commercial Linux meant >  for beginners. > I am not trying to flame. But th

Re: [Ilugc] packets and TCP

2012-06-20 Thread Manokaran K
> > > Syn, ACK and ACK ACK or something. > > > > Let us suppose A and B wants to talk with each other. Then > > Assume you and your brother are at home but in different rooms. You know for sure your brother is at home and is awake and can hear you. In this case, when you want to pass on a message,

Re: [Ilugc] the vi editor

2012-06-20 Thread 0
>> >> joe is there - so is nano >> -- > > The vi editor is a very distinct part of UNIX ideology. > However it may be, every editor (or software) has it merits and demerits. Haven't heard of joe or nano before, seems like a good time to try it. It is interesting, I neither knew, joe has been ava

Re: [Ilugc] the vi editor

2012-06-20 Thread Girish Venkatachalam
>> It seems you have not worked on servers which boot up to init 3 >> only... > > joe is there - so is nano > -- The vi editor is a very distinct part of UNIX ideology. It cannot be avoided if you are a serious hacker. Several low level utilities use vi. Of course there is ed which is even mor

Re: [Ilugc] the vi editor

2012-06-20 Thread pavithran
On 13 June 2012 17:16, Girish Venkatachalam wrote: > I am going to talk only about advanced use. I am thinking that most of > you will know >  how to use vi by now. Otherwise you dunno Linux anyway. ;) Agree that you create some awareness and spike some interest in the mailing list with your tut

Re: [Ilugc] packets and TCP

2012-06-20 Thread Girish Venkatachalam
On Thu, Jun 21, 2012 at 7:30 AM, Jacob G Podipara wrote: > Dear Mr Girish; >  The impression I get is TCP is a more efficient method to transferring data. >  Regards >  Podi Your questions sounds immature. ;) TCP is the protocol used in around 93% of the data transfers on the web. DNS uses UDP.

Re: [Ilugc] the vi editor

2012-06-20 Thread kenneth gonsalves
On Thu, 2012-06-21 at 00:18 +0530, Rajagopal Swaminathan wrote: > > IIRC ubuntu's default editor is gedit and it is one of the more > popular > > gnu/linux distros. In any case why would knowledge of usage of text > editor > > = to knowledge of an os? I only hope that you are joking and that > inte

[Ilugc] (no subject)

2012-06-20 Thread Jacob G Podipara
From: Jacob G Podipara To: ILUG-C Cc: Bcc: Subject: Gluttony Reply-To: Greed is, like lust and gluttony, a sin of excess.It breeds on itself. An ephithet I think may apply to the constant upgrades pushed by PC manufacturers and the various timed launches. This is with reference to my quer

Re: [Ilugc] packets and TCP

2012-06-20 Thread Jacob G Podipara
Dear Mr Girish; The impression I get is TCP is a more efficient method to transferring data. Regards Podi ___ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc

Re: [Ilugc] Different UNIX variants

2012-06-20 Thread Rajagopal Swaminathan
Greetings, On Tue, Jun 12, 2012 at 8:51 AM, Girish Venkatachalam wrote: > Then Sun released Solaris. I have worked a lot in Solaris. Solaris minimal install does not usually include ssh. > > Then you also have other commercial UNIX products - IBM AIX and HP UX. > Perhaps you could have pointed

Re: [Ilugc] the vi editor

2012-06-20 Thread Rajagopal Swaminathan
Greetings, On Wed, Jun 13, 2012 at 6:14 PM, Tushar Rishabadas wrote: > On 13 Jun 2012 17:17, "Girish Venkatachalam" > wrote: >> > > IIRC ubuntu's default editor is gedit and it is one of the more popular > gnu/linux distros. In any case why would knowledge of usage of text editor > = to knowledg

Re: [Ilugc] Cluster Configuration

2012-06-20 Thread Rajagopal Swaminathan
Greetings, On Sun, Apr 29, 2012 at 9:14 PM, Manivel Rajendran wrote: > Hi, > > Cluster for Webserver? > Configuring Clusters -- be it HA or HPC -- is inherently complex. There are many decisions to be made. The information you have supplied so far is, at best, scanty. I have configured and ad

Re: [Ilugc] packets and TCP

2012-06-20 Thread Balasubramaniam Natarajan
> > Syn, ACK and ACK ACK or something. > Let us suppose A and B wants to talk with each other. Then Step1: Machine_A will set one of the TCP flags to 1 and send it with a random sequence number, I have assumed it to be 1 here in this example. A -SYN_A=1

Re: [Ilugc] packets and TCP

2012-06-20 Thread 0
> A packet on the network looks like a train. > > The engine is the packet header. Then the different layers are like > the compartments and the Ethernet trailer > is like the guard compartment. > > Obviously without the engine the train is useless. I like this analogy. Easy to remember and sim

[Ilugc] packets and TCP

2012-06-20 Thread Girish Venkatachalam
Now we will look at how packets are constructed, how the different layers we always study in college translate to packets on the wire, in the OS(kernel) and the userland. We will also find out how TCP works, determines bandwidth of a physical channel and how the handshake happens. I have done a

[Ilugc] Fedora-17 ISOs / Spins / Repository available

2012-06-20 Thread Baskar Selvaraj
Dear Fedora users, Anyone who is interested in getting the following resources, mail me offline. Fedora-17 DVD ISOs (i386 / x86_64 / source) Fedora-17 Live CD ISOs (GNOME / KDE) Fedora-17 All 10 Spins (i386 / x86_64) Fedora-17 Everything Repository (i386 / x86_64 / source) RPMFusion Repository (i

Re: [Ilugc] [ILugC] XML processing

2012-06-20 Thread Yogesh Girikumar
On 20 June 2012 13:08, Natarajan V wrote: > On Wed, Jun 20, 2012 at 12:33 PM, Yogesh Girikumar > wrote: >> Which is better to process streaming XML? (e.g. RSS)  SAX or DOM? Why? > Is your XML of unlimited size and keeps streaming in? Or is it a tiny > XML such as those RSS in news websites? > > I

[Ilugc] Dell to sell Ubuntu-installed laptops, netbooks in India

2012-06-20 Thread Shrinivasan T
Dell, the second-largest computer seller in India, will sell personal computers loaded with the free operating system Ubuntu. Starting this month, the Ubuntu installed laptops and netbooks will be available in 850 Dell stores in India. Dell in India currently sells PCs loaded with Windows, the pro

Re: [Ilugc] [ILugC] XML processing

2012-06-20 Thread Natarajan V
On Wed, Jun 20, 2012 at 12:33 PM, Yogesh Girikumar wrote: > Which is better to process streaming XML? (e.g. RSS)  SAX or DOM? Why? Is your XML of unlimited size and keeps streaming in? Or is it a tiny XML such as those RSS in news websites? If it is continous and non-stop/ huge (of the order of 1

[Ilugc] [ILugC] XML processing

2012-06-20 Thread Yogesh Girikumar
Hi, Which is better to process streaming XML? (e.g. RSS) SAX or DOM? Why? I read up a bit on SAX and here's what the Wikipedia article says; "Where the DOM operates on the document as a whole, SAX parsers operate on each piece of the XML document sequentially." Does it mean that DOM reads the w