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Archive for category linux

Configure NS-2 with Eclipse in Linux

Oct 18

Posted by eskay in linux, technology | No Comments

For most users of NS2, it would be easier if they can use a popular IDE to work with the files.
Here are the step by step instructions I followed to set up NS-2.34 with Eclipse 3.5 in Ubuntu Linux.

In older versions of Eclipse, the settings might be slightly different.

I have compiled the following steps after running into various problems and errors with the setup, and solving them all. So I hope the setup will be smooth for you.

Setting up Eclipse:

  1. Download Eclipse SDK
  2. Extract the SDK to a folder
  3. Open Eclipse
  4. Go to Help -> Install New Software. In the Work With bar type this:
    http://download.eclipse.org/tools/cdt/releases/galileo
  5. Choose CDT Main Features and CDT Optional Features. Install them.
    CDT stands for “C/C++ Development Tooling”
  6. If you do not have a working internet connection in the system you have installed Eclipse, instead of steps 4 and 5, download the CDT from the above mentioned site. Then move to Install New Software (see step 4) -> Add and add the archive downloaded.

Installing NS-2

  1. Download NS-2
  2. Extract NS-2 to a folder, i.e. /home/username/ns-allinone-2.34
  3. Edit Makefile:
    • Open “…/ns-allinone-2.34/ns-2.34/Makefile.in”and
    • Add those lines anywhere near the top of the file:
        CCOPT = -g
        DEFINE = -DNDEBUG
        DEFINE = -DDEBUG
    • Navigate to …/ns-allinone-2.34/ns-2.34 and run “./configure”
  4. Navigate to the NS-2 folder using terminal and type ./install
  5. Also, follow the instructions are displayed at the end of a successful installation. These instructions are to modify the PATH variable and other environment variables as needed.

Adding NS-2 as a Project in Eclipse

  1. Open Eclipse
  2. Set the workspace as the ns installation path( /home/username/ns-allinone-2.34 ) by selecting File -> Switch Workspace
  3. Choose File -> New -> Project -> C++ Project
  4. Select Project Type as Makefile Project -> Empty C++ Project.
    Toolchains: Linux GCC
  5. Enter Project Name as ns-2.34
  6. Uncheck “Use default location” then browse to the directory NS-2 source directory ( …/ns-allione-2.34/ns-2.34 )
  7. Select “Next” and “Finish.
  8. From the workspace, Selecting the NS-2 Project and choosing Project -> Build All should not give Error.
  9. Running the project must open the console with the NS-2 prompt, %

Setting Debug Configuration:

  1. Select Run -> Debug Configurations
  2. Choose C/C++ Application. Type in any name.
  3. Under the Main tab, Choose the following:
    Project as ns-2.34.
    C/C++ Application as ns. (Search Project and Choose this)
  4. Under the Debugger tab, choose GDB Debugger. Uncheck the “Stop on startup at” option.
  5. Apply and Debug.
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SFD @ NIT Trichy – Cloud Computing Workshop

Sep 25

Posted by eskay in linux, opensource, thoughts, workshops | 1 Comment

It was Software Freedom Day Celebrations at NIT Trichy. And how better could the day have been!! For the first time, Sun Club of NIT Trichy and GLUG-T, The Linux User Group joined hands to conduct the event. We had organized a workshop on cloud computing and Linux/Opensolaris Install Festival.

The way we publicized the event requires a special mention. The hall was confirmed only on the penultimate day, and so we could not put up posters earlier. I designed a poster in a hurry and asked my friends to put them up at strategic places inside the college. And then we sent an SMS to more than 200 students – to all those who had attended our earlier workshops. I had asked the students to register by sending a reply to my number, providing their names and roll numbers, just to have an approximate idea about how many students might be attending the event. This proved to be really effective, and I received about 40 replies in the next two hours. We had a participation of more than 60 students, with participants from B. Tech, M. Tech and CA branches. The hall was nearly full. More importantly, it was full of energy and enthusiasm.

I had to do a night-out to prepare the slides and learn as much as I could about Cloud Computing. And in the end, the presentation came out well, even though most of the information was taken from various sites, videos and other sources.

We asked the students to register at the registration desk and gave them OpenSolaris CD’s, data sheets and Linux Mint CD’s. We then went ahead with discussion on Cloud Computing. I talked about various concepts related to cloud computing. Aswin also chipped in a few important points in between. We also discussed about virtualization and Project Kenai. We kept the students busy and interested by occasionally asking questions and giving away gifts to those who answered.

After the discussion, we went ahead with Linux / Opensolaris Install Fest where we provided installation advice. We also provided the participants VirtualBox installation files, for those who were interested to try out the operating systems but did not want to really install on the hard disk. Special Thanks to Jithin and his GLUG-T team for guiding the students regarding the Linux Installation. Some students had various problems with their Linux/opensolaris installations. A few of them we solved on the spot, whereas the others, we had promised to look into and inform the solutions as soon as possible.

To summarize, it was a great event, an awesome audience and a lot of take-backs for the participants and the organizers. Software Freedom Day was a great success. Looking forward to organizing more such events.

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Reliance Data Card in Ubuntu 8.04

Nov 29

Posted by eskay in linux, opensource | No Comments

Reliance data card ( Huawei ) works really well in Ubuntu, and getting it to work is very easy.

All that one must do is to plug in the USB modem and edit the /etc/wvdial.conf file:

Step 1: Edit the /etc/wvdial.conf file by typing in the following lines

[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = Analog Modem
ISDN = 0
New PPPD = yes
Phone = #777
Modem = /dev/ttyUSB0
Username = **********
Password = **********
Baud = 460800
stupid mode = 1

The username and password generally would be the Reliance number.

Step 2: Run (as root) the following command from terminal:

wvdial /etc/wvdial.conf

The output will be similar to the following:

--> WvDial: Internet dialer version 1.56
--> Warning: section [Dialer /etc/wvdial.conf] does not exist in wvdial.conf.
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Modem initialized.
--> Sending: ATDT#777
--> Waiting for carrier.
ATDT#777
CONNECT 230400
--> Carrier detected. Starting PPP immediately.
--> Starting pppd at Sun Nov 30 09:34:55 2008
--> Pid of pppd: 11854
--> Using interface ppp0
--> pppd: h?[06][08]p?[06][08]
--> pppd: h?[06][08]p?[06][08]
--> pppd: h?[06][08]p?[06][08]
--> pppd: h?[06][08]p?[06][08]
--> pppd: h?[06][08]p?[06][08]
--> local IP address 220.226.8.49
--> pppd: h?[06][08]p?[06][08]
--> remote IP address 220.224.135.10
--> pppd: h?[06][08]p?[06][08]
--> primary DNS address 202.138.103.100
--> pppd: h?[06][08]p?[06][08]
--> secondary DNS address 202.138.96.2
--> pppd: h?[06][08]p?[06][08]

Now you can browse the internet…

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