Sunday, October 31, 2010
so when we firstly got to know about the software used to do the codings to make it a pdf document...we were shocked to see the number of commands in this project and looked like a full programming language...but then we asked TA's about this and fortunately they knew a lot about it...so we got an initial kickstart in the project...as we got a 30-40 page tutorial about LaTeX from them..
slowly and gradually we started to code some small programs...that took 10 lines coding even for a single page document...
we had options of using two softwares--TeXnicentre and MiKtex...but we eventually decided to carry on with MiKTeX as we found that easy to use than TeXnicentre....
we came along new things like using the mathematical formulas like the integrals and limits...summations..which we found interesting...but we looked for something like page designing like inserting bullets and include pics...
and eventually we got that also in the end...
we also faced many challenges as the content was huge and we had to decide a lot on what topics to include in the presentation....although that did not go well in the presentation as it took a lot of time...
secondly,all of us were at different places during the break..so only the facebook connection was there to communicate...
but in the end it was a nice experience learning new things and that too learning it all by yourself makes you feel really good....
Thursday, October 28, 2010
we often come with this confusion about the frequency of the RAM we use...suppose we want to add more RAM to our system...so if the RAM we are thinking to purchase is of different frequency than the RAM we already have..then what are the possible consequences...will it affect the computer in any way..in terms of speed if it works???
Before I begin I would like to apologize to Amarjeet sir, for this late blog.I am sorry sir.
Now, lets get down to work.Just a day before the break I had taken a copy of the so much in demand "Ubuntu installation CD" from Arjun bhaiya.I intended to install it on VMware and practice some shell scripting(that still does not give me a homely feeling :-) ). But somehow I did not like the feel of it and decided to dual boot my laptop.I did install Ubuntu,giving it a 8Gb partition.
I began using Ubuntu and felt good about it.So I decided to increase its size. So I went to windows and without giving a thought just messed up with disk management and ended up deleting grub. :-(
In went the Ubuntu CD again and another installation with 20 GB partition space was done.Good.Cool.Well done Yash.Finally, I was satisfied and promised not to mess around with disk management again.
Now, I being a frequent Windows user,wanted to make it my default OS,and also I didnt want Grub to take so much time in selecting the default choice.So in went a few hours of fruitful research and here we go all is well.
Well, promises are meant to be broken but not intentionally...
I decided to exchange my 4.5kg "heavyweight laptop" with my didi's 2.35 kg one. So firstly I was ordered to remove Linux, now how to do it without the windows CD... Good question!!! If there is a question,google has the answer.This task was done.
So once again I dual booted my system,did all the settings once again.God it was exciting.
Now,suddenly something came to my mind and I said to myself "Lets back the Mac"...
How about triple booting my system.Some more research and I felt I was ready to try it out. I downloaded Snow leopard from a torrent and after 3 days, I attempted to install it. But could not do it. I returned to windows created some free space.Boom Linux gone...
Once again :-(
Somehow I thought lets proceed with Mac.Great the trick worked.I formatted the free space,installed mac.Now, all that was required was to restore grub.In went the Ubuntu CD and restoration was done.
Using Mac,OH BOY,I was so excited. Hackintosh finally in my hands. I started the 64 bit version to find net not working.It was not detecting my wireless card.I returned to windows downloaded the required kext file(drivers) and tried again, but failed.Then I tried the 32 bit version and yes it worked there perfectly fine.
"Snow leopard is good,lets give it more hard disk space".Bad idea I ended up doing the above from scratch,but the result was sweet, I had a laptop with working Win 7 Ultimate, Snow Leopard, and Ubuntu...
I just need to thank the Ubuntu CD.... Had not that been with me,my holidays would have been a nightmare. :-) I ended up deleting ubuntu so many times.
Thank you also to Ankit bhaiya(Ankit Sarkar) for his help when I wasn't able to make net work.And finally Amarjeet Sir, who showed me the way regarding the wireless driver problem.
Next mission:-Quadbooting the machine..Ubuntu CD I am coming :-D
Tuesday, October 26, 2010
Monday, October 25, 2010
Since childhood, we always wondered why the teachers gave us so much work and apparently did nothing themselves… but NOW, we understand that it’s the other way round! Teachers work so much harder just to prepare the topics and questions for the students and we just have to simply answer them! This we got to know only when we got the chance to lead the lab session 9 and we are sharing our experiences with all of you.
Since no one volunteered from group 4 to lead the lab session, thus, Saurabh Yadav and I(Shayan) volunteered to lead the lab session as Saurabh was part of the latex project and I was part of the webcrawling project, thus, we thought we would pool our knowledge together to lead the lab session. We covered BACKING UP OF DATA, DATA RECOVERY, LATEX AND WEBCRAWLING.
Backing up of Data
We explained how one can backup their data using the inbuilt backup tool available in Windows 7. Then we explained how we can do the same in linux by installing the sbackup package. But there were problems with 1 or 2 computers in which the package was not getting installed correctly. This was a minor hiccup that we faced with this section.
We covered how one can recover their data in Windows and Linux. The Windows part would have taken a long time, so it was not covered in the lab. In linux, we used the photorec command (after installing the testdisk package) to recover mistakenly deleted data from a pendrive. We used pendrives with small storage size for this purpose as it would have taken too long for the photorec to recover data deleted from a hard disk partition.
Although this part was to be done in Windows environment using Miktex but since the administrator password was not available so we worked in linux. It took about 15-20 minutes to install the latex package for linux. So we had initially asked people to install latex first and while the installation was being done in the background, we planned to cover the other topics. But unfortunately when the installation was happening, we found that we could not install any other package. Thus we could only use half of the computers in the beginning (the one’s which had latex installed already).Initially it was hard to create interest in this topic but Saurabh did a good job of getting people interested in the topic! I was left marveling at his skills :P
In the last 15 minutes of the class, we covered a webcrawling tool, websphinx. In the lab computers, we did not have the permission to install JAVA, so we had asked everyone to get their laptops with them for the demonstration. But in the lab, we found out that most people did not have the correct version of JAVA installed, so instead we demonstrated it on my laptop. Saurabh noted that while I was giving the demonstration, people enjoyed watching the formation of the tree graph of the web pages that had been crawled and which were being displayed on the websphinx interface.
Most people were keen to just get over with the lab, in fact one person kept on asking me how long the lab would take to end :P I was asked at 2:15, 2:45 and again at 3:15 this one particular question!
All in all, it was a unique as well as a good experience leading the lab session. We got to appreciate the problems that the previous lab leaders had faced especially in finishing off their portion within the required time
Wednesday, October 20, 2010
Sunday, October 17, 2010
2. Win+ Home : Minimize/restore all open windows except the active one
3. Win+ Left/Right Arrow: Dock a window to your left or right side of the screen
Saturday, October 16, 2010
Firefox for mobile (codenamed Fennec, for the Fennec Fox the small desert fox) is the name of the build of the Mozilla Firefox web browser for ARM devices such as mobile phones and personal digital assistants (PDAs). Firefox for mobile 1.0 uses the same version of the Gecko layout engine as Firefox 3.6
Now Gecko is a free and open source layout engine used in many applications developed by Mozilla Foundation and the Mozilla Corporation (notably Firefox web browser), as well as in many other open source software projects. Gecko is written in C++ and is cross-platform, and runs on various operating systems including BSDs, Linux, Mac OS X, Solaris, OS/2, AIX, OpenVMS, and Microsoft Windows.Cross-platform, or multi-platform, is an attribute conferred to computer software or computing methods and concepts that are implemented and inter-operate on multiple computer platforms.
Talking about the browser now it supports the same web standards and it even accepts add-ons. The Firefox Sync lets the user have the same bookmarks, tabs, search history and other information like auto-fill form data and passwords whether the user is on the phone or on the computer. The user has the option of personalizing the homepage & sharing web links over social networks. One of the best features in the Fennec browser is the unique side-to-side swipe action, which brings up menus for things like tabs, bookmarks and settings. It minimizes the browser chrome and leaves more screen for web pages. This new version has the pinch-to-zoom browsing feature also.
The main limitation is that it is only compatible with Android and Maemo devices. Android phones like the Motorola Milestone and HTC Desire and Maemo phones like the Nokia N900 and the Nokia N810 Internet Tablet. Now Maemo is a software platform that is mostly based on open source code and powers mobile devices such as the Nokia N810 Internet Tablet. Maemo platform has been developed by Nokia in collaboration with many open source projects such as the Linux kernel, Debian , GNOME , and many more.
The main glitch according to different users comes in the form of its lack of speed but then this is a beta. In case you wondering what a beta is it is actually the name for the second stage of software testing, in which it is released for free or at a reduced price to a group of users just like a preview.
Where to get it from: http://firefox.com/m/beta
In case any of you want to know more about the features you can go to https://wiki.mozilla.org/Fennec
Friday, October 15, 2010
i have a doubt regarding windows 7 as all the laptop users may be knowing this better than me and help me out..
what i want to ask is when we try to install windows 7 on some system already having some other windows..say windows xp, so windows 7 will replace the windows xp in the system then...will the info in the hard disk remain intact or will that info also get formatted??
this is i talked to someone and he told me that windows 7 needs a bare system for its installation... so just wanted to clarify..
Friday, October 8, 2010
Saturday, October 2, 2010
Spyware is malware that is installed on a computer without the knowledge of the user and which monitors the user's activities while using the computer.
Keylogger is software or hardware that keeps a log of all your keystrokes.
Phishing is a type of identity theft where users are fooled into surrendering personal data like passwords or bank account details.
We gave a demonstration of a keylogging software and phishing. The demos were a little botched because we were running out of time. Still, we thankfully managed to finish within the 20mins. It had earlier seemed like we wouldn't be able to.
Shayan asked a particularly nasty question, to which I had no answer at that point - What are the extensions of keylogger log files?
I did a bit of Googling right now. Log files have the extension ".log" :)
Friday, October 1, 2010
I led the lab session of week 8 for group 2 in which I covered security options in wireless routers, firewall & setting up wireless routers.It was a great experience.I realized that its not easy to make others listen ourself. It becomes even tougher when there are insufficient resources as there were only 2 laptops to give demonstration. Therefore, we had to explain in subgroups which created a chaos but it also added something different to my experience that how to handle the different situations.
I felt that the training session was quite effective and productive.
I found it easy to cover the topic in given time period because of my peers support & TA’s help.
Altogether,it was a unique experience to lead a lab session on such interesting topics.
So,I would really like to thank Amarjeet sir that he has given us such an opportunity to learn things in a very different and interesting way.